Solid State PhysicsProceeding of the DAE Solid State Physics Symposium

(December 26-30, 2003)

Jiwaji University, Gwalior, India

Solid State Physics (India) Vol 46 (2003)

Editors

S.M. Sharma, P.U. Sastry and H.G. Salunke

Organized by

Board of Research in Nuclear Sciences

Department ofAtomic Energy

Government of India

4

fc-SB»ft

TIB/UB Hannover

130 244 937

89

Allied Publishers Pvt. Limited

New Delhi • Mumbai • Kolkata • Lucknow • Chennai

Nagpur • Bangalore • Hyderabad • Ahmedabad

Contents

National Advisory Committee v

Symposium Organising Committee vii

Foreword ix

Preface xi

Summary ofContents xiii

CONTRIBUTED PAPERS

Phase Transitions

A Study ofthe Nature of Critical Line in a Recentrant Ternary Mixture 5

U.K. Pradeep and Anil Kumar

High Pressure Study of Pentaerythritol: a Synchrotron Infrared Study 7

S.K. Deb, Ankita Banerjee, RJ. Kshirsagar, S.M. Sharma, P. Dumas, T. Marin,

J.C. Chervin andB. Conny

Realization of Various Thermodynamic States in the Salt-Induced Phase Separation of 9

Ethanol-Water Mixture

Debjani Bagchi, Anil Kumar and Reghu Menon

Light Scattering Studies on the Ordered Phase of Charged Colloids with Intermediate 11

Particle Charge DensityP.S. Mohanty, B. V.R. Tata, J. Yamanaka and T. Sawada

Elastic Properties of Solid Argon upto the Pressure 70 GPa 13

S. Gupta, D. Gupta andS.C. Goyal

Compressibility ofAlkali Halides at Solid-Liquid Phase Transition 15

R.S. Chauhan and C.P. Singh

Soft Mode Contribution Around SmC*-SmA Phase Transition under DC 17

Bias Field in Ferroelectric Liquid CrystalsM. Rahman, S.K. Kundu andB.K. Chaudhuri

Synthesis and Transport Properties ofMagnetic Nanocomposite 19

S. Dutta, P. Brahma and D. Chakravorty

Thermal Expansion Study of Cu-Al Based Shape-Memory Alloys 21

A. Rajani Kanth, A.K, Mishra and C, Bansal

High Pressure Structural Investigations on the Fluorite Structured Compound PtAl2 23

AlkaB. Garg, V. Vijayakumar, B.K. Godwal, A. LausiandE. Busetto

Preparation and Phase Transition Studies of (Pb0.9Ba0.i)(Ybo.5Tao.5)03 Solid Solution 25

Dipyaranjan Rout, V. Subramanian, V. Sivasubramanian, K. Hariharan and V.R.K. Murthy

Vapour-Liquid Equilibria of Two-Dimensional Double Yukawa Fluid

Y. Pathania and P K. Ahluwalia

Phase Transitions and Dielectric Studies of Doped PBN Oxide Ceramics

K. Chandramouli, G. Srinivasa Reddy and P. V. Achary

Thermal Expansion in Copper Under the Effect of High Temperature

Deepika Kandpal, K. Y. Singh and B.R.K. Gupta

Directed Spiral Percolation on the Triangular Lattice

S. Sinha and S.B. Santra

FTIR Absorption Study on GdSr2RuCu208 Across the Magnetic Transition

TN. Sairam, M. Premila, J. Janaki and C.S. Sundar

Correlation Between Local Magnetic Field and Electric Field Gradient at Mn Sites

in La 0.67 Sr0 3jMn03 as Studied by Perturbed-Angular-Correlation SpectroscopyR. Govindaraj and C.S. Sundar

'H NMR T| Study ofPhase Transitions, Internal Motions and Quantum Tunnelling in TMACieCl

K. Jugeshwar Singh, M.N, Ramanuja, Suthirtha Mukhopadhyay, K.P. Ramesh and R. Menon

The Influence of Temperature on Transition ofCd03 to CdS

A.K. Balasuramanian, N. Sankar and K. Ramachandran

Averages An Hybrid Monte Carlo for Simulating Canonical Ensemble

M. Ponmurugan. V. Sridhar and K.P.N. Murthy

The Static and Shock EOS (at 300-K) for Rb Using Mean-Field Potential ApproachNK.Bhatt, T.C. Pandya, C.V. Pandya, P.R. Vyas, A.R. Janiand V.B. Ga/wt

Microscopic Order Parameter in Nematic Phase of a Nematogenic Compound Using X-RaysD. Gopalakrishna, D. Revannasiddaiah and R. Somashekar

AC & DC Resistance Behaviour of ZrMo2Os and HfMoa08 Under High Pressure

A.S. Karandikar, G.D. Mukherjee, S.N. Achary, A.K. Tyagi and B.K, Gadwal

Phase Transition and Stability of NaBiiV2O|0SJ. Pafwe, S.N. Achary and A.K. 7)>agi

Effect ofBoron on the Structure and Hydrogenation Properties of

ZrMno,85Cr0.,V0 05Vt0 5N10 5 AlloyA. Leolamohana Reddy, T.R. Kesavan and S. Ramaprabhu

High Pressure Raman Study ofUrea

Sukanta Karmakar and Surinder M. Sharma

Equation of State oFCdO

Nandini Garg, R. Vasanthi, Udayan De and Surinder M Shurma

High Pressure Raman Spectroscopic Studies of Cristobahic A1P04U.K. Poi-wal. Nandini Garg, S.K. Kuhhrestha andS hi Sharma

Dielectric Studies on BaCl2 Doped Poly (Vinyl Alcohol)R.F. Bhajuntri, A. Harish, Vincent Crasta. Surah P Nmkami f Rm-mdrmlmn

XV!

Pressure Induced Phase-Transitions in Partially Covalent Th-Compounds 63

Dinesh C. Gupta, Diwakar Shrotria, R.K. Singh, M. Prakash, U.P. Verma and R.K. Tiwari

High Pressure Phase-Transition and Elastic Properties of Zn-Mn-Se 65

Dinesh Varshney, P. Sharma, N. Kaurav, Sanjay Shah and R.K. Singh

Thermal Phases in Gel-Grown Strontium Tartrate (SrTr) Crystals 67

S.K. Arora, Vipul Patel andAnjana Kothari

Analysis of Thermal Expansion of Solids 69

K. Y. Singh and M. Kumar

A Comparative Study of Thermal Expansivity at Ultra High Temperatures for MgO 71

S.K. Trakroo, K.Y. Singh, G.S. Sharma andA.P. Gupta

Enhanced Metal-Insulator Transition in Ho-Doped La-Ca-MnO 73

B.K. Roul, D.K. Mishra, D.R. Sahu, P.K. Mishra, D. Swain and A.K. Pradhan

Micellar Nematic Lyophase in the Binary Mixture of Two Non-Mesogenic Compounds 75

S.K. Naveen Kumar and Nagappa

A Theoretical Study ofHigh Pressure Phase Transition ofUxLai_x Solid Solution 77

Vipul Srivastava, Sankar P. Sanyal and P.K. Jha

High Pressure Phase Transition in Some AnS (An=Th,U, Np, Pu) Compounds 79

Vipul Srivastava and Sankar P. Sanyal

Soft Condensed Matter

{Including Biological Systems)

Sandpile on Percolation Clusters 83

P. Nandi and S.B. Santra

Magneto-Optical Relaxation in CTAB - Magnetic Fluid Emulsion 85

Rajesh Patel, Alpesh Raval, R. V. Upadhyay and R. V. Mehta

Digital Imaging of Colloidal Systems 87

Manas Khan andAjay K. Sood

Non-Monotonic Rheological Behaviour ofMixed Surfactant Systems 89

Ajay Singh Negi and A.K. Sood

Wavevector Dependent Diffusion and Levy Flights in the Dynamics ofColloids 91

Rajesh Ganapathy and Ajay K. Sood

Topological Defects in a Planar P4 Model 93

Enakshi Mondal and Soumen Kumar Roy

Luminescence in Ba4* Doped Potassium Chloride Single Crystals 95

Satyendra S. Chauhan, CD. Asthana and A.K. Shrivastava

Thermally Induced Microhardness ofDoped KCl-KBr Solid Solution 97

A.K, Verma, R. Madan, D.C. Gupta and A.K. Shrivastava

Growth of Naphthalene Single Crystals Using Selective Self-Seeding Vertical Bridgman 99

Technique (SSVBT)S. Selvakumar, K. Sivaji, N. Balamurugan, A, Arulchakkaravarthi, C. Venkateswaran,

S. Shankar and P. Ramaswamy

xvii

Electrical Characterization ofNatural Aloe Vera Gel

P. Mukhopadhyay, H. Mallik and A. Sarkar

101

Structural Relaxation Studies in Polycarbonate (PC) Using Positron Annihilation Lifetime Method 103

P.M. Sathyanarayana, H.B. Ravikumar, M.C. Thimmegowda, GaniShariff,M.B. Ashalatha and C. Ranganathaiah

Hydrothermal Synthesis and Structure ofNew Condensed Hydrated 105

Lithium Cobalt PentaphosphateM. Mahendra, B.H. Doreswamy, M.J. Mahesh, G.S. Gopalakrishna,M.A. Sridhar and J.S. Prasad

MGssbauer Studies in Anthophyllite Asbestos 107

Ram Kripal, V. Saraswat, P. Kothari, N. Lakshmi, K. Venugopalan and V.K. Agarwal

Molecular Motions in Different Mesophases ofLiquid Crystal 50.6 109

S. Mitra, K. Venu, J, Tsukishi, S. Ikeda and R. Mukhopadhyay

Vickers Microhardness Studies of a New Organic NLO Crystal 111

T. Pal and T. Kar

Optical and Thermal Properties ofIrradiated Nematic Liquid Crystals 113

S.K. Naveen Kumar and Nagappa

Shape Parameters of Some Thermotropic Liquid Crystals by the Method of Solvent Effect 115

S. T. Vasan, Narasimha H. Ayachit and D.K. Deshpande

Ground and Excited State Electric Dipole Moments of Some Liquid Crystals 117

F.M. Sannalingannavar, Narasimha H. Ayachit and D.K. Deshpande

Self-Similarity and Lacunarity of Trabecular Bone: Effect on Osteoporotic Fracture 119

Shashwati Roy (Majumder) andS. Majumder

Sodium Potassium Fluorophlogopite- A Solid Matrix for the Sorption of Am(OI), U(VI) and Cst(l) 121

Anamika Saxena, Radha Tomar, M.S. Murali andJ.N. Mathur

Probing the Defects in Ferrites at Phase Transition by Positron Annihilation Lifetime Spectroscopy 123

Sanjukta Ghosh and R. Bhattacharya

Structural Studies of Samarium Malonate Hexahydrate 125B.H. Doreswamy, M. Mahendra, P.A. Varughese, George Varghese, M.A Sridharand J.S. Prasad

Growth and Characterization ofBenzaldehyde Phenylhydrazone Single Crystals J 2?J. Arunkumar, V, Vijayan, R. Gopalakrishnan and P. Ramasamy

Lifetime and UV Absorption Studies of Silver Ion Implanted Polycarbonate 3 VIM.B. Ashalata, P.M. Sathyanarayana, Gani Shariff, M.C Thimmegowda.H.B. Ravikumar and C. Ranganathaiah

Nano Materials

Heat Confinement in Nanocrystals of Li-Mg Ferrite Thin Films Irradiated by 190 MeV AuH' foru 135Sanjukta Ghosh, S.A. Khan, A. Gupta, P. Ayyub, N Kumar and R Bhattacharvu

xviii

Formation ofOptical Characterization ofEpitaxial SiC Nanocrystals by High Temperature C Ion 137

Implantation into Si

B.K. Panigrahi, M. Rajalakshmi, B. Sundaravel, Christopher David, K.G.M. Nair,

A.K. Arora andB. Viswanathan

Nickel Nanorods Inside Carbon Nanotube 139

Pawan K. Tyagi, E. Titus, M.K. Singh, Abha Misra, D.S. Misra, MainakRoy andA.K. Dua

Electrically Guided Assembly of Planar Super Lattices in Binary Colloidal Suspensions 141

ofNano Particles

B.N. Pal, S. Basu, R. Das andD. Chakravorty

X-ray and Raman Studies of Single-Wall Carbon Nanotubes Under Non-Hydrostatic Pressures 143

Sukanta Karmakar, Surinder M Sharma, D.V.S. Muthu, P.V. Teredesai,

A. Govindaraj, S.K. Sikka and A.K. Sood

Phase Transitions and Electronic Conduction in Nanocrystalline Ago.85Cuo.15I and Cuo.g5Ago.15I 145

D. Bharathi Mohan and C.S. Sunandana

Synthesis and Thermal Properties of Nano CdS 147

P. Rqji, C. Sanjeeviraja and K. Ramachandran

Size Dependent Dielectric Constant for a Semiconductor Nanoparticle 149

N.K. Chhaya, K.N. Vyas andA.C. Sharma

Superparamagnetism in Bulk and Nanoparticle Form of Co2o Cu80 Granular Alloy 151

A. Pandey, Anulekha Banerjee and R. Ranganathan

Size Effects ofNickel Ferrite Particles on the Optical Properties 153

S. Dutta and P. Brahma

Magnetic Properties of Oxide Nanoparticles Synthesized Using Surfactant as 155

Structure Directing TemplateI.K. Gopalakrishnan and J. V. Yakhmi

Thermal Analysis and Nanocrystalline form of Tungsten Diselenide Single Crystals 157

TejalA. Patel, M.N. Parmar, Rajiv Vaidya, G.K. Solanki and M.P. Deshpande

Transport Properties of La0.67Sro.33Mn03 Thin Films Grown on Single Crystalline Substrates 159

S. Mukhopadhyay, I. Das andS.P. Pai

Transport Properties and Bias Dependence of Tunnel Magnetoresistance in Manganite 161

Tunnel Junction

S. Mukhopadhyay, I. Das, S.P. Pai and P. Raychaudhuri

Magnetoresistance Study in Ndo.sSro.5Mn03 Nanoparticles 163

A. Biswas andI. Das

Effect of Charge Order Melting on Magnetoresistance in Nanocrystalline Pr0,5Sr0,j Mn03 165

A. Biswas andI. Das

Raman Scattering Studies of Cobalt Nanoclusters Formed During Implantation of 167

Cobalt Ions in a Silica Matrix

P. Gangopadhyay, K. G.M. Nair, T.R. Ravindran, B.K. Panigrahi, B. Sundaravel,

S. Dhara, P. Magudapathy and C. David

xix

Photoluminescence of Au Nanoclusters Embedded in Silica Matrix 169

S. Dhara, P. Magudapathy, B.K. Panigrahi andK.G.M. Nair

Preparation and Characterization of La2.1(SrxCu04 (x = 0.15) Nano Particles by Ball Milling 171

Vasant Sathe and S.K. Pandey

Cubic Phase Stabilization of Nanocrystalline Zr02 Doped with La203 and its Electrical 173

Conductivity Studies

P. Thangadurai, V. Sabarinathan, A. Chandra Bose and S. Ramasamy

Structural Characterization of Cadmium Sulphide Thin Films and Powders Prepared 175

by Chemical Bath Deposition Method

Rahul Bhattacharjee, Sidananda Sarma and A. Sriniyasan

Theory of Positrc:-A inihilation in Nanocrystalline Materials 177

S.B. Shrivastava, M.K. Rathore and V. Rathore

Synthesis, Microstructural and Electrical Transport Studies in Granular Nanosized 179

Lao.67Cao.33MnO.-1 CMRManganitesP. Dey and T.K. Nath

Preparation and Characterization ofNanocrystalline DMS:Co-Doped ZnO 181

D. Paid Joseph, P.R. Kanimozhi, T. Prakash, N. Sivakumar and C. Venkateswaran

FTIR Studies of Carbon Nanotubes 183

Abha Misra, M.K. Singh, E. V. Titus, Pawan K. Tyagi and D.S. Misra

Semiconducting Nanocomposite in Metallic Glass Fe-Co-Nd-Dy-B System 185

G.S, Okram, V. Ganesan, S. Parida and S. Ram

Electrospinning of Continuous Polystyrene Fibres 187

Bibekananda Sundaray, V. Subramanian and T.S. Natarajan

Wigner Crystallization in Coupled Electron-Hole Quantum Wire System 189

L.K. Saini, K. Tankeshwar andR.K. Moudgil

Electrical Characterization of Sol-Gel Synthesized CuS Nanoparticle Dispersed B»opoJymer 191

H. Mallik, N. Gupta and A. Sarkar

Electrical Resistivity Studies on CawsAoosMnOj Compounds (A-V, Nb and Sn) 193

S.M. Borah, Manoranjan KarandS. Ravi

Structure ofNanocrystalline ZnO Films Obtained by Oxidation of Zinc Arachtdalc LB Multilayers 195

M. Parhizkar, Sukhvinder Singh, Nigvendra Kumar, R.S. Srinivasa, S.S, Talwar andS.S Mapr

Spectrosopic Studies on Core-Shell Type Semiconductor Ntnoparticki Prepared by Chemical Rwtts 19?

A. Singha and Anushree Roy

Stabilizing Porous Silicon by Polymer Coating J W

N.P. Mandal, Ashutosh Sharma andS.C Agarwal

Phonon Structure and Dynamics ofBoron Nitride Single Wall Naaorubc MM

Prapti Saxena and Sankar P. Sanyal

Electron-Electron Scattering in Presence of Impurity in a Quantum Wire and Quantum Wire Sirw sure 20 \

S.S.Z. Ashraf.JJ. RalhodandA.C. Sharma

XX

EPR Studies on Sol-Gel Derived Fe203 Nanocrystals in Si02 Matrix 205

Sudip Mukherjee and A.K. Pal

Determination of Grain Size Distribution and Microstrain in Nanocrystalline Materials 207from Single X-Ray Diffraction Peak

Apurba Kanti Deb, P. Chatterjee and S.P. Sen Gupta

Preparation and Characterization of Sn02 Nanoparticles for Gas Sensing Applications 209Manmeet Kaur, Sipra Choudhury, K.P. Muthe, S.K. Gupta, S.C. Gadkari andJ. V. Yakhmi

Synthesis ofCdS Nanoparticles Using 6 MeV Electron Irradiation Techniques 211K.A. Bogle, S.D. Dhole and V.N. Bhoraskar

Mossbauer Studies on Ni-Ferrite Prepared by Different Synthesis Routes 213P. Chandramohan, M.P. Srinivasan, S. Velmurugan and S. V. Narasimhan

Electrochemical Synthesis ofNano Wires in Porous Anodic Aluminium Oxide Templates 215R. Ramsankar, Pragya Tiwari, R. V. Nandedkar and S.N. Vyas

EPR Investigations of Th02:Cu2+ Nanoparticle Aggregates 217M.K. Bhide, R.M. Kadam, A.K. Tyagi and A.G. Page

Synthesis and Ion Beam Studies ofNanostructured ZnO/Si02 Thin Films 219V. V. Siva Kumar and F. Singh

A New Phosphor ofDispersed Ag Metal Nanoparticles in A1203 221Amit Kumar, S. Ram and S.K. Roy

Gold Coated Porous Silicon for Solar Cell 223S.D.D, Roy, M. Jayachandran, S. Sanjeevirqja andK. Ramachandran

Preparation and Characterization ofUltrafine Co and Ni Particles in Polymer Matrix 225A. Sarkar, S. Kapoor, G. Yashwant, H.G. Salunke, S.K. Kulshreshtha, T. Mukherjee,J.V. Yakhmi, V.C. SahniandJ.P. Mittal

Magnetism and Transport in Lao.875Ca0,i25Mn03 Nanocrystalline Particles 227Anulekha Banerjee, N. Gayathri andR. Ranganathan

Magnetic and Structural Properties ofNanoparticles Mg-Mn Ferrite Prepared by 229

High Energy Ball MillingS.K. Sharma, Ravi Kumar, V.V. Siva Kumar, A. Sariya, A. Gupta andM. Singh

Mossbauer and AC Susceptibility Studies on Coo.5Zno,5Fe204 Nanoparticles 231

B.K. Nath, P.K. Chakrabarti, T. Roy, S.K. Brahama, S. Das, U. Kumar,P.K. Mukhopadhyay and D. Das

Low Temperature Synthesis of Nanosized Anatase Ti02 Powders 233

S.B. Deshpande, Y.B. Khollam, V. Ravi, N.R. Pavaskar, R. Pasricha, N.E. Jacob

and H.S. Potdar

Low-Temperature Preparation ofNanometer-Sized Barium Strontium Titanate (BST) 235

Prevoskite Phase by Unconventional Sol-Gel Method

K. Venkata Saravanan, K.C. James Raju, Mohit Ghanashyam Krishna and Anil K. Bhatnagar

Pressure Induced Phase Transitions in Iron Filled Carbon Nanotubes: X-Ray Diffraction Studies 237

Sukanta Karmakar, Surinder M. Sharma, P.V. Teredesai and A.K. Sood

xxi

Characterization of II-VI Compound Nanoparticles

Ganga Prashad, Madhukar Gautam, Anshu Goyal, S. Sitharaman, Anand, S. Sitharaman,

V. Dutta andRanga Rao

Experimental Techniques, Instrumentation and

Solid State Devices

Detection ofDeep Lying Subsurface Flaws by Using SQUID Based Eddy Current NDK on 243

Conducting Materials

R. Nagendran, D.K. Baisnab, M.P. Janawadkar and Y. Hariharan

Development of Prototype Thermoelectric Generators Based on n-Type PbTc 245

and p-Type TAGS-85 Alloys

Ajay Singh, C. Thinaharan, D.K. Aswal, S.C. Gadkari, S.K. Gupta andJ. V. Yakhmi

Automated Goniometer for Neutron Beamline 247

V.S. Purohit, P.D. Babu, V. Siruguri and V.N. Bhoraskar

Fabrication ofa Low Cost Automated Setup for Measuring Thermopower 249

R. Manoj, P. Pramodan. Johny Isaac and M.K. Jayaraj

Hydrogen Run Water Pump:An Application ofHydrogen Storage System 251

LP. Jain, Y.K. Vijay and A. Banthiya

Design, Fabrication and Testing ofa Crystal Bender for EXAFS Beamline on INDUS-H 253

Vasant Sathe, A. V. Pimpale andA.K. Poswal

Study of Parasitic Pole Effect with Non Inverting Configurations 255

K.K. Sharma, Mohit Chamlel, Vikash Dubey andShyam Singh

Simulation of Low Power CMOS Adder Circuit 25?

K.K. Sharma, Vikash Debey andAvinash Kumar

A Quasi Adiabatic Sample Platform for a Dilution Refrigerator 259

Archana Lakhani, L.S. Sharath Chandra, Mohan Gangrade, V. Gunesan,

Erwin Klein, RolfRenizsch and W.D. Brewer

Rietveld Refinement and Electron Density Maps in fj Copper Vanadium Bronzes 26!

Sharat Chandra, R. Nithya, G.L.N. Reddy, U.K. Sahu and V.S. Sastry

Synthesis of Diamond by Multianvil Apparatus 263

Mrigank Mauli Dwivedi, Nachiketa RaiandKamlesh Pamhy

Gamma Ray Induced Modifications in Polycarbonates 265

Surinder Singh andSangeeta Prasher

Mixed Metal Oxide Semiconductor Thin Films Based Sensor for Hydrogen Sulphide 26?

S.C. Gadkari, Manmeef Kaw; Jagannath, V.R. Katti, $ K. Gupta, J V Yakhmi and V (* Xahni

PIXE Studies on Gold Standards by Protons of Energy 33 MeV 269

Daisy Joseph, A. Saxena, S.K. Gupta andS. Kailas

A Low Energy Negative Ion Implanter for Surface Modification Studies al IOP, Hhuhancuhvui ?? 1

B. Joseph, A.K. Behera, S. Mohapatra, P. Kuiri andDP Mahapatra

XX11

Performance of20 Ci Cs Gamma-Ray Compton SpectrometerB.L. Ahuja andM. Sharma

273

Study ofHeat-Load-Effect for a Side-Cooled Grazing-Incidence Mirror Designed for 275

INDUS-2 Bending Magnet Beamline

V.B. Bhandarkar, Jagannath, S.C. Gadkari, J.V. Yakhmi and V.C. Sahni

Conducting Polymer-Polypyrrole as a C02 Gas Sensor 277

S.A. Waghuley, S.M. Yenorkar, G.T. Lambhade, V.R. Bhonde, S.S. Yawale andS.P. Yawale

Two Dimensional Position Sensitive Neutron Detector 279

A.M. Shaikh, S.S. Desai, A.K. Patra and J.N. Joshi

A Gas Filled Microstrip Detector for Thermal Neutrons 281

S.S. Desai, A.M. Shaikh, V. Radhakrishnan and K. Rajanna

Size Characterization of Micron-Size Droplets 283

G.K. Padmashree, C.P. Safvan, R. Somashekar andA. Roy

Beam Position Monitor for Synchrotron Radiation: Calibration and Testing 285

V.P. Dhamgaye, M.N. Singh, K.J.S. Sawhney andR.V. Nandedkar

Influence of Analyte Concentration on Detection Limits in X-Rays Fluorescence (XRF) Spectrometry 287

M.K. Tiwari, A.K. Singh and K.J.S. Sawhney

RBS with 12 MeV Carbon at NSC 289

S.A. Khan, S. Kumar, M. Kumar, V. Baranwal, D. Agrawal, S. Chopra, A, TripathiandD.K. Avasthi

Cu2+ Ion Diffusion Studies on Lithium Niobate Crystals 291

S. Kar, Rajeev Bhatt and K.S. Bartwal

The Leakage and Stability Behaviour of Si-Surface Barrier Detectors with Their Junction Edges 293

Coated with Organic Thin Film

A. Ray, Shilpa Sawant, Sipra Choudhury and J. V. Yakhmi

Study of a New Polymer Electrolyte (PMMA-Co-P4VPNO+KBr03) for Solid State 295

Electrochemical Cells

V. Raja, A.K. Sharma and V. V.R. Narasimha Rao

Electrical Studies on BSLNN Ceramics 297

K, Chandramouli, P.V. Achary, G. Srinivasa Reddy andK. Umakantham

Development of an Indigenous X-Ray Powder Diffractometer 299

N.P. Lalla, A. Jaiswal andB.A. Dasannacharya

Liquids, Glasses and Amorphous Systems

Dynamics of Excess Water in Hydrotalcite 303

S. Mitra, A.S. Pramanik, D. Chakrabarty and R. Mukhopadhyay

Dynamics ofMolten Sodium: Memory Function Approach 305

Shaminder Singh, Jyoti Sood and K. Tankeshwar

Photoluminescence Efficiency ofErbium-Doped Ge-S-Ga Glasses at Low Temperatures 307

from 4.2 K to 300 K.

R. Ganesan, Z. G. Ivanovo, K. V. Adarsh, K.S. Sangunni, E. Cernoskova and E.S.R. Gopal

xxiii

Optical Properties of Irradiated Ge20Se80.xBix Thin Films

Pratibha Sharma, Manvendra Vashistha and LP. Jain

Wertheim's Theory for Aperiodic Solids 311V.K Singh and K.N. Khanna

Ionic Conductivity in Amorphous PAN-PEO Based Polymer Gel Electrolytes 313

R. Balaji, A.R. Kulkarni and R.S. Srinivasa

Vibrational Dynamics ofMg70Zn30 Metallic Glass 315

A.M. Vara, Minal H. Patel, P.N. Gajjar and A.R. Jani

H-Bonded Molecular Association in Liquid D-2-Propanol at Room Temperature Through 317

Neutron Diffraction

A. Sahoo, S. Sarkar, P.S.R. Krishna and R.N. Joarder

Isothermal Compressibility, Bulk Modulus and Coordination Number ofSome Simple 319

Liquid Metals

P.B. Thakor, V.N. Patel, B.Y Thakore, P.N. Gajjar and A.R. Jani

On the Approximation Associated with Correlation Function at Contact in SAI'T-D Theory 321

Dinesh Kumar Singh and K.N. Khanna

On the Solidification of Li2B407 into Amorphous State 323Sangceta, Babita Tiwari and S.C. Sabharwal

The Effect of Li2B407 Impurity Phase on the Crystallization on L1B3O5 from Molten 325Salt Solution

S. C. Sabharwal, Sangeeta and Babita Tiwari

Photohiminescence Studies on Nanolayered A-Se/As2S3 Films 327K. V. Adarsh, R. Ganesan, K.S. Sangunni andA. Kikineshi

Lithium Ion Dynamics in Sr-Bi-Li-0 Glasses 329A. Dutta and A. Ghosh

Conductivity Relaxation in Some Fast Ion-Conducting Agl-AgjO-TeOj Glasses 331D. Dutta and A. Ghosh

Mixed Mobile Ion Effect in Fluorozirconate Glasses 333S. Ghosh and A. Ghosh

Transport Studies on CdIrAg20-V205-B203 Glass System WD.K. Kanchan, K.P. Padmasree, H,R. Panchat, P.C Khan, G.S. Okram.A.M. Awasthi and S. Baradwaj

Studies on Optical Absorption and Luminescence Propertiea of Dy1* Doped Mixed WAlkali Borate Glasses

Y.C. Ratnakaram, D. ThirupathiNaidu, A. VijayakumarandR.PS Chukmdktr

Multiparicle Contribution To Force Autocorrelation Function 1%9Puneet Sharma and K. Tankeshwar

Positron Annihilation Study of Meso-Porous Substances 14}Dhanadeep Dutta, Bichitra Nandi Ganguly, Debarshi (iangopadhyav.Tapas Mukherjee and Binayak Dutta Roy

XXIV

On the Velocity Autocorrelation Function for Simple Liquids: Na as a Prototype 343

MAT. Bhatt, C.V. Pandya, T.C. Pandya, P.R. Vyas, A.R. Jani and V.B. Gohel

A Small-Angle Neutron Scattering Investigation on Solution Quenched PH13-8MO Stainless Steel 345

S. Mazumder, D. Sen, A.K. Patra, J. Mitra, G.K. Dey and P.K. De

Investigations of Effects of Melt Aging on the Structure and Properties of Bismuth Borate 347

Glasses by Neutron Diffraction Studies

A. Khanna and P.S.R. Krishna

Change in Shape of the Crystallite Size with Thermal Aging ofTwaron Fibers 349

AnjanaJain, V. Annadurai, S. Abhishek, V. Sunil Gladson, Sangappa,S. Mahesh and R. Somashekar

Crystallization Kinetics in Sodium Metaphosphate Glass 351

P.S. Anantha, Amrtha Bhide and K. Hariharan

In Situ High Temperature Optical Microscopy of Phosphate Glasses 353

K. V. Shah, B.I. Sharma, A.S. Patil, R.K. Mishra, D.K. Aswal, S.K. Gupta and G.P. Kothiyal

Study of Microstructure ofLithium Zinc Silicate Glass-Ceramic 355

B. Indrajit Sharma, Rakesh Kumar, S. Manikandan, M. Goswami, P. Sengupta,R.K. Mishra, V.K. Shrikhande, G.B. Kale and G.P. Kothiyal

Preparation and Refractive Index and Micro-Raman Scattering Studies on l-x.As2S3X.SB2S3 Glasses 357

G.P. Kothiyal, Rakesh Kumar, M. Roy, D. Bhattacharya, S. Kumar, Madhumita Goswami

and V.K. Shrikhande

SANS Investigation on Pore Morphology in Ceria 359

A.K. Patra, S. Ramanathan, D. Sen andS. Mazumder

Emission Spectroscopy of Dy3+ Ions in Lithium Borate and Lithium Fluoroborate Glasses 361

S. Surendra Babu, V. Venkatramu, P. Babu and C.K. Jayasankar

Microhardness Studies on the Blends of Poly(Vinyl Fluoride) (PVF) and Poly 363

(Vinylidene Fluoride) (PVDF)A.K. Gupta, V.K. Vatsal, R. Bajpai and J.M. Keller

Fragility of Pb Modified Ge-Se Glasses 365

Akhyaya K. Pattanaik and A. Srinivasan

Surfaces, Interfaces and Thin Films

Study of Pd/Si to Pd2Si/Si Transformation and Surface Segregation of Si Using Auger 369

Electron SpectroscopyS. Abhaya, Padma Gopalan and G. Amarendra

Depth Resolved Positron Annihilation Study of N+ Implanted InP 371

G, Venugopal Rao, K. Santhakumar, G. Amarendra, S. Abhaya, K.G.M. Nair

and V. Ravichandran

Study of Self-Diffusion ofFe in Nanocrystalline FeNZr Alloys Using Nuclear 373

Reflectivity from Isotopic MultilayersAjay Gupta, Mukul Gupta, Sujoy Chakravarty, RudolfRiXffer, Hans-Christian Wills,

OlafLeupold and M. Horisberger

XXV

X-Ray Photoelectron Spectroscopy Study of Pt/Tin Interface 375

S. Kavita, Satish Potdar and D.M. Phase

Fluence Dependence ofSecondary Electron Emission Yield from Bi Target 377

R.P. Singh, Sarvesh Kumar, R.S. Chauhan, A. Mandal and D.K. Avasthi

Behaviour of Channel Mobility in 6 MeV Electron Irradiated MOS Structure under Bias 379

Condition at Room TemperatureV.R. Kulkarni, V.N. Bhoraskar andS.D. Dhole

Strain Modification of Lao.67Sro.33Mn03 CMR Thin Films Using Stmctural Transitions of 381

Ferroelectric (001) BaTiOj Substrate

P. Dey and T.K. Nath

Effect of Natural Grain Boundary on the Non-Linear Transport Properties of Nanostructured 383

Manganite Films

Barnali Ghosh, Loveleen K. Brar and A.K. Raychaudhuri

Probing Surface and Buried Nanostructure-Thinfilms in Multilayers by Scanning 385

Probe Microscopy and Self-Interference Photoluminescence SpectroscopyN.K. Sahoo, M. Senthdkvnar, S. Thakur, B.N. Rajasekhar and N.C. Das

RfMagnetron Sputtered Calcium Doped Copper Yttrium 387

Oxide P-Type Transparent SemiconductorR. Manoj, Sreejith S. Pillai, M. Nisha, K.A. Vanaja and M.K. Jayaraj

Influence of Substrate Temperature on the Properties ofRf 389

Magnetron Sputtered ITO Thin Films

S. Anusha, M. Nisha, Atdrin Antony, R. Manoj and M.K. Jayaraj

Synthesis and Influence of Annealing on the Structural Properties 391

of Si/Ge Multilayer Structures

Shilpa Tripathi, Ranjeet Brajpuriya and S.M. Chaudhan

MOKE Study ofAnnealed Ti/Ni Thin Film Multilayer Structures 393

Anupam Sharma, PramodBhatt, V.R. Reddy, A.D. Wadiksr and SM Chaudhan

Growth and Characterization ofPd Thin Films for Resistivity Based Sensing Applications 395

J.C. Vyas, V.R. KattL S.K. Gupta and J. V. Yakhmi

Deposition of Preformed Ferric Stearate Langmuir Monolayers by an Inverted 19?

Langmuir-Shaefer TechniqueSarathi Kundu and Alokmay Datta

Ion Beam Mixing of Immiscible Au-Ni Bilayers by 400 KeV mXe5* Ions 3WD, Datta andS.R, Bhattacharya

Ion Beam Mixing of Fe/Si Using High Energy Swift Heavy Ion Irradiation 401Veenu Sisodia and LP. Jain

Characterization ofPolycarbazole Films Deposited by Langmutr Bfodgett Technique 403Vibha Saxena, Sipra Choudhary, S.K. Gupta andJ. V. Yakhmi

Atomic Transport in Metal-Semiconductor (Cu/Ge) System at Interface by Swift Heavy Ion* 405Sarvesh Kumar, R.S. Chauhan and D.K. Avasthi

XXV!

Ion Beam Mixing at Magnetic Metal/Silicon Interface 407P.C. Srivastava, P.S. Pandey andJ.K. Tripathi

Cationic Distribution for Mg2+ in Mg-Ni Ferrite Studied by XPS and Mossbauer Spectroscopy 409

V.K. Mittal, P. Chandramohan, Santanu Bera, M.P. Srinivasan, S. Velmuruganand S. V. Narasimhan

Role of Pb for Ag Growth on H-Passivated Si(100) Surfaces 411S. Mathew, S. Satpati, B. Joseph and B.N. Dev

Self-Assembled OTS Monolayer Formation on Si (100) Substrate by Sequential 413

Dipping-A Contact Angle StudyS.A. Mirji, Sneha A. Kulkarni, l.S. Mulla and K. Vijayamohanan

Formation of Ordered Li0Fe-Pt Phase in Fe/Pt Multilayers 415V. Raghvendra Reddy, S. Kavita and Ajay Gupta

Effects ofInterface Structure Variation in Fe/Cr Multilayers 417

Ajay Gupta, Dileep Kumar and G. Principi

Effects of Surface Roughness on Soft-Magnetic Properties of Thin Films 419

Ajay Gupta, V. Raghvendra Reddy, Kailash Ruwali andPoqja Sharma

Zero Temperature Spin Phases of Silicon (100) Inversion Layer 421

R.K. Moudgil

XRD and XPS Analysis ofNiFe204 Prepared by Different Methods 423

Santanu Bera, S. Ranganathan, M.P. Srinivasan, S. Velmurugan and S. V. Narasimhan

Micromechanical Hardness of CdC4H40<s.5H20 Crystals 425

S.K. Arora and Anjana Kothari

Characteristics of Sonoelectrochemical Deposited CdSe Films 427

K.R. Murali, P. Sasindran andD.C. Trivedi

RBS and CEMS Analysis on Ion Irradiated Fe/Ag Films 429

S. Amrithapandian, B.K. Panigrahi, Ajay Gupta, B. Sundaravel, K.G.M. Nair

and A. Narayanasamy

Optical Characterization of 120 MeV Ag+ Irradiated ZnO Thin Films 431

P.M. Ratheesh Kumar, C. SudhaKartha, K.P. Vijayakumar, D.K. Avasthi andF. Singh

Molecular Packing in Mixed CdA-ZnA LB Multilayers 433

P.K. Nayak, M. Parhizkar, R.S. Srinivasa, S.S. Talwar and S.S. Major

Effect ofPost Annealing on Properties ofLa0.9Sno.iMn03 Thin Films 435

AjayD. Thakur, Sonal Satsengi and Pratap Raychaudhuri

Modeling ofTemperature Dependent Transfer Characteristics of Polysilicon Thin-Film 437

Transistors (TFTs)Navneet Gupta andB.P. Tyagi

Analysis of Defects in 7-In2Se3 Thin Films Using Different Methods ofTCS Technique 439

R. Rupa, K.C. Pai, K.P. Wilson, Vijayakumar and C. Sudha Kartha

xxvii

Mechanism of Ammonia Sensing in Sn02:CuO Thin Film Sensors 441

V.R. Katti, K.P. Muthe, ManmeetKaur, Jagannath, M. Roy, S.C. Gadkari, S.K. Gupta,

J.V. Yakhmi and V.C. Sahni

Impedance Spectroscopy Study of Sn02 and Sn02:CuO Thin Films for H2S Sensing Applications 443

ManmeetKaur, C.A. Betty, K.P. Muthe, V.R. Katti, S.K. Gupta, S.C. Gadkari and J.V. Yakhmi

Effect ofAluminium and Gold on the Crystallization of Amorphous Silicon 445

A.K. Srivastava, Pragya Tiwari and R.V. Nandedkar

Roughness Propagation in W/C Multilayer Studied by X-Ray Reflectivity 447

M.H. Modi, S. Naik and G.S. Lodha

Effect of Substrate Temperature on the Percolation Threshold and RMS Roughness of

Molybdenum Thin Films 449

M. Nayak, G.S. Lodha and R.V. Nandedkar

Spectrosopic Properties ofNon-Amphiphillic 9-(lFI-Berizotriazol-lylmethyI)-9H-Carba2ole 451

Assembled in Langmuir-Blodgett Films

R. Laishram, D. Sarkar, M. Ghosh, J. Choudhury and G.B. Talapatra

Polarized Neutron Reflectometry Study of [Fe/Ge] Multilayer 453

Surendra Singh, SaibalBasu andM. Vedpathak

Characterization ofMultilayer Monocharomator by Neutron Reflectometry 455

Surendra Singh and Saibal Basu

Low Cost Based Spray Pyrolysed Oriented Thin Film 457

B.K. Roul, D. Swain, D.K. Mishra andD.R, Sahu

Optical Properties of Selenium Thin Films 459

Lingappa A, Udachan, V.K. Mayadevi, R.L. Raibagkar, Mahantappa S. Jogad,Shivaraya T. Sulepetkar, P.R. Hiremaih andP.S. Naik

Structural and Compositional Analysis of Big2Sbu Alloy Thin Films 461

Ramesh Chandra Mallik and V. Damodara Das

Signature ofNonlinear Effects on Ion Induced Ripple Morphology on Silicon Surface 463

D.P. Datta and T.K. Chini

What Does Specular X-Ray Reflectivity Say About Interfacial Roughneti? 465N Gayathri and S Banerjee

Quantised Thickness in Ultra Thin PAM/CdS Nanocompogite Films 46?

Amarjeet Singh and M. Mukherjee

Correlated Benzene Groups in Films ofAtactic Polystyrene 469Sudeshna Chattopadhyay and Ahkmay Datta

Density Profiles of Erbium Implanted Polystyrene Thin Films 4? IM. Bhattacharya and M.K. Sanyal

Neutron Reflectivity for Probing the Molecular Assembly in Metal Organic Multilayer* 473M.K. Mukhopadhyay, A. Datta, M.K. Sanyal, J. Webster and J Pen/old

Effect ofAnnealing on a Novel Tetragonal Cu2Au Alloy at the Cu/Au Multilayer Interlaces 475S. Sarkar, A. Datta and P. Chakraborty

xxviii

Anomalous Electrical Resistivity in Ag/Al Bilayer Structures Grown by Molecular Beam Epitaxy 477

A.K. Debnath, NirqjJoshi, K.P. Muthe, J.C. Vyas, D.K. Aswal, S.K. Gupta and J.V. Yakhmi

Core-Level Photoelectron Spectroscopy ofNitrogen Implanted Ti/C Film 479

DM. Phase, U.P. Deshpande and Vasant Sathe

Studies on Sol-Gel-Deposited ZnO Thin Films on GaN 481

R. Ghosh and D. Basak

Preparation of ZnO and Transition Metal Doped ZnO Thin Films Using Chemical Solution Deposition 483

UtpalS. Joshi, KG. Padmalekha and A.K. Raychaudhuri

Synthesis and Surface Characterization of <3-GexSe|_x Thin Films 485

R.P. Gupta, D. Sharma, N.P. Lalla, V. Ganeshan, A. Gupta and A.M. Awasthi

Temperature Dependence ofTrap Depth in Thermally Evaporated ZnTe Thin Films 487

R. Sarma, N. Mazumdar and H.L. Das

Poole-Frenkel Photoconductivity in CdS Thin Films 489

K.K. Singh,Ranjan Sarma, N. Mazumdar and H.L. Das

Effect ofAnnealing and Electron Irradiation on Optical Properties of ZnSe Thin Films 491

R.K. Mangal, K. Kulshrestha, N.K. Acharya, M. Singh and Y.K. Vijay

Charge State Dependance of Energy Loss ofMeV Carbon Dimers in GaAs(100) 493

B. Sundaravel, Christopher David, K. Suresh, B.K. Panigrahi, K.G.M. Nair andB. Viswanathan

Monotonic Mixing in Fe/Si Due To Swift Heavy Ions 495

Diva D. Kabiraj, B.R. Chakraborty, S.M. Shivaprasad, Pratap Sahoo andD.K. Avasthi

Crystallinity of Cso Thin Films on Different Substrates 497

Navdeep Bajwa, D. Kabiraj, D.K. Avasthi, Ravi Kumar, A. Tripathi, Alka Ingale,K. Dharamvir and V.K. Jindal

Beta-Indium Sulfide Thin Films Prepared Using Silar and CSP: A Comparison 499

R. Ranjith, Theresa John, C. Sudha Kartha and K,P. Vijayakumar

Swift Heavy Ion Induced Modifications in LiF Thin Films 501

M. Kumar, F. Singh, S.A. Khan, S. Kumar, A.M. Siddiqui, V. Baranwal, R. Krishna,

A. Tripathi, A. Saraiya, A. Gupta, D.K. Avasthi andA.C. Pandey

Growth and Characterization of Cu2SnSe4 Thin Films 503

Y Bharath Kumar Reddy, G. Suresh Babu, Y.B. Kishore Kumar and V. Sundara Raja

Evolution of Surface Morphology ofAg/Co Bilayer During Energetic Ion Irradiation 505

S. Kundu

Preparation and Characterization of Spray Deposited Cu2ZnSnS4 Thin Films 507

Y.B. Kishore Kumar, Y. Bharath Kumar Reddy and V. Sundara Raja

X-Ray Line Broadening Analysis of the Effect of Annealing on the Structural Properties in 509

ZnTe Thin Films

M. Mazumdar, R. Sarma, B.K. Sarma and H.L. Das

Highly Stable Liquid Metal Probes to Study Evolutionary Aspects of Schottky Barrier Devices 511

B.P. Modi, AchammaJohn Mathai, K.D. Patel, V.M. Pathak and R. Srivastava

xxix

Barrier Heights of Aluminium, Indium and GafflurrVP-WSej Schottky Diode 513

Achamma John Mathai, K.D. Patel, V.M. Pathak and R. Srivastava

PBD Technique for Thermal Diffusivity Measurements of CiexRe,m.x Thin Films s 15

Alex Mathew, Jyotsna Ravi, K.N. Madhusoodanan.K.P. Rajappan Nair

and T.M.A. Rasheed

H2S Gas Sensor Based on the Tellurium Thin Films and its Detection Mechanism 517

Shashwati Sen, K.P. Muthe, N.Joshi, V.B. Bhandarkar, SV Gadkari. M Row

S.K. Deshpande, S.K. Gupta andJ.V. Yakhmi

Study of Thickness Effect on Intermixing in W/C Multilayer with Swift Heavy Ion Irradiation 519Amrit Saraiya, Satish Potdar, D.K. Avasthi and Ajay Gupta

Mossbauer Study of Fe-Al Film **21V. Sebestian, Ram Kripal, N Lakshmi and K. Venugopatan

Thermal Conductivity of Spray Pyrolysed CdS Thin Films by Pholoacoustic Spectroscopy 523P. Raji, C. Sanjeeviraja and K. Ramachandran

Influence of Deposition Parameters on the Optical Properties of Sprayed SruS linn Film's 525N. KoteeswaraReddy andK.T. Ramakrishna Reddy

Ion Beam Induced Surface Modification Studies of HOPG and C» 527A. Tripathi, B. Bajwa, S. Lotha, Ravi Kumar, K. Dharamvir, V K Jtndnl, V Gitunhati,D. Kanjilal, M. Kumar, A.C. Pandey and D.K. Avasthi

Electron Irradiation Effects on Optical Band Gap of CdS Thin Films 529M. Singh, Y.K. VijayandB.K. Sharma

Electrodeposition of HgCdTe Thin Films for Photovoltaic Devices 531Shivali Chauhan, Anu Bansal and P.Rajaram

Fabrication ofMagnetic-Nonmagnetic Metal-Organic Bilayer unrig Langmw-RJodgeti 333Deposition Technique

S. Pal, N.S. John, P.J. Thomas, G.U. Kulkarni andMK Sunval

Electronic Structure and Phonens

E2g Phonon and Electronic Topological Transition of MgBa 537P. Modak, A.K. Verma, D.M. Gaitonde, R.S. Rao andB K Cmdwul

Influence of Correlation and Temperature cm the Electronic Structure ofCMN 5 IfSatadeep Bhattacharjee andS, MathiJaya

Evolution ofInfrared Modes Across the Metal-Insulator Transition in I *,*»•, „M»fO, $41M. Premila, T.N. Sairam and C.S. Sundar

Study of Hyperfine Interactions in Rare-Earth Complexes 14%Mashhood AH and Atimuddin

Solution Combustion Derived ZnjSi04:Mn CiTrecn Phoaphow-A i'rwrto IJitrooewem r studv $4$R.P. Sreekanth Chakradhar, B M. Nagahhushamt, G T VhandioppaK.P. Ramesh andJ.L. Rao

Anisotropic Reflectivity of2H-WSc2 H7AH Hussain Rcshak andS. Auluek

XXX

Alkali Metal Intercalated lT-VSe2 549

AliHussain Reshak andS. Auluck

Electron and Phonon Scattering Effects on Thermal Conductivity ofMgB2 551

Dinesh Varshney, K.K. Choudhary, V. Sakorikar and R.K. Singh

Theoretical Study of Hyperfine Parameters in Single Crystals 553

Sikander Ali, Shalendra Kumar andAlimuddin

Structural Studies of Sputtered Cu/Ni Multilayers 555

Ajay Tiwari and M. Senthil Kumar

High Pressure Lattice Dynamics of LIYF4 557

A. Sen, S.L. Chaplotand R. Mittal

Nature ofthe Self-Trapping in a One Dimentional Holstein-Hubbard Model 559

Phani Murali Krishna, Soma Mukhopadhyay and Ashok Chatterjee

Y-Induced Stabilization ofthe Superconducting Phase in Sci.xYxNi2B2C (x=0.1 & 0.2) System 561

G. V.M. Kiruthika, G.Behr andL.C. Gupta

Variation of Quasi Particle Mass Due To Correlation and Electron Phonon Interaction in 563

Heavy Fermion Systems

P.Nayak and S. Mohanty

Inelastic Neutron Scattering and Lattice Dynamics ofA1P04 565

R. Mittal, S.L. Chaplot, A.I. Kolesnikov, C.K. Loong, O.D. Jayakumar and S.K. Kulshrestha

Two Dimensional Coincidence Doppler Broadening Studies on a-Al203 567

A.Sachdeva, K. Sudarshan, P.K. Pujari, A. Goswami, A. V.R. Reddy,K.P. Muthe and S.K. Gupta

Ferro Magnetism in Co Doped Rutile Ti02 569

G.P. Das, M. Ali Ahmed, S.K. Kulkarni, R.J. Choudhary and S.B. Ogale

Vibrational Spectra and Force Field Investigation ofCMR Tl2Mn207 Pyrochlore 571

Sonal Brown, H.C. Gupta, J.A. Alonso andM.J. Martinez-Lope

Pressure Induced Delocalization in UMn2Ge2 573

V. Siruguri and S.F. Matar

Optical and Magneto-Optical Spectra of GdSb 575

D.B. Ghosh, Molly De, Koushik Dutta and S.K. De

First Principle Electronic Band-Structure Calculation ofMgB2C2 and its 577

Hole-Doped Derivative

A.K. Verma, P. Modak, D.M. Gaitonde, R.S. Rao, B.K. Godwal and L.C, Gupta

Electronic Structure and Electric Field Gradients for Hydrogen and Muonium in Simple 579

Cubic Metals

B. Pa] and Pawan Singh

Lattice Vibrations in Zinc Blende MgS 581

Satyam Shinde and Prafulla K. Jha

xxxi

DFT for Strain Field due to Interstitial H in Cu and.Pd

"Hiteh Sharma, R. Singh andS. Prakash

Propagation of Electromagnetic Wave Through Photonics Bandgap Structure

and its Application as Microstrip Antenna Substrate

S.K. Parui and S. Das

Influence of Al Substitution in the Atomic and Electronic Structure of Si Clustei.s 587

C Majumder and S.K. Kulshrestha

Superconductivity

Extracting Critical Current Density from Magnetization Hysteresis Data 591

using die Critical-State Model

P. Chaddah

Measurement of Magnetic Relaxation in the Peak Regime of VjSi 593M.R. Singh, G. Ravikumar and H. Kupfer

Magnetic and Superconducting Properties of Single Crystals of 595

Sr2YRu,..xCux06 Grown from High Temperature Solutions

S.M. Rao, M.K. Wu, B.H. Mok, T.R. Chen, B.Y. Liu, Y.Y. Hsu and Y.S Hsiuc

Superconductivity: A Quasiclassical Theory of Multiple Interface Geometry 597

Rudra Rameshwar, Sagar Prashant andJagdish Prasad

Effect of Surface Conditions on the Order-Disorder Transition in the Vortex Matter 599in Superconducting V3Si

G. Ravikumar and H. Kupfer

Simultaneous Measurement of AC Susceptibility and Electrical Resistance 601

Across the Peak Effect in a Single Crystal of 2H-NbSe2A. Tulapurkar, S. Sarkar, S, Ramakrishnan, A.K. Graver and MJ. Hlggtns

Transport Studies in NaxCo02 603S. Jemima Balaselvi, A, Bharathi, N. Gayathri, V.S. Sastry and Y. Hariharan

Effect of Annealing on the Superconducting and Normal State Properties of (k)Kr,,RuC*UjOg 6#ST. Geeiha Kumary, J. Janaki, V.S. Sastty, Y. Hariharan, TS Radhaknshnmand M.C. Valsakumar

A Variational Study of Anderson Lattice for Heavy Fermion Superconductivity 6§?Piyush Dua, Sunil Panwar and Ishwar Singh

Influence of Doping and Water Intercalation on Positron Lifetime m Na»CoO> §09R. Rajaraman. C.S. Sundar, Jemima Balaselvi, V.S Sanity mid A Bharathi

Effect of Pressure on the Superconductivity of Doped Fullerenes 611Dinesh Varshney, D.R. Yadav, A. Dube and R.K Singh

Charge Density Waves Induced Superconductivity in layered Mercury C'upralet with Inlet foiland Intra Layer Interactions

Dinesh Varshney, P. Sahmkvy, R. Kmge and R K Singh

AC Susceptibility and Critical Current Density in(U|^Y«t)Ila7(.'a('u%()t('urrfH>uiwl Al*P.K. Nayak and S. Ravi

xxxii

Superconducting and Magnetic Properties ofEuSr2Cu2+xRui.xOs Magnetic Superconductors 617Rakesh Kumar, C. V. Tomy and R. Nagrajan

Fabrication of Weak Link Based Josephson Junctions in YBCO 619

Thin Films and Their Characterization

J.C. Vyas, K.P. Muthe, Shashwati Sen, S.K. Gupta and J. V. Yakhmi

Relaxation Under Supercooling of the Disordered Vortex State in Doped CeRu2 Alloy 621

M.K. Chattopadhyay, K.J.S. Sokhey, S.B. Roy and P. Chaddah

Measurement ofQuadrupole Moment Across the Peak Effect in a Weakly Pinned Single 623

Crystal ofCeRu2D. Pal, A.D. Thakur, D. Jaiswal, S. Ramakrishnan, A.K. Grover, E. Yamanoto,Y. Haga, M. Hedo, Y. Inada and Y. Onnuki

Investigations of Optimization of Carrier Density and Microstructural Features 625

of TI-Based High Temperature Cuprate SuperconductorG.D. Verma and O.N. Srivastava

Role of Coherence Length in Explaining the Behaviour of Cuprate Superconductors 627

Bhasker Gahtori, Ratan Lai and S.K. Joshi

Effect of Noise on Shapiro Steps in High-Tc Josephson Junctions 629

Jamal Akhtar Khan and M. Shahabuddin

Some Recent Developments in the Fluctuation Conductivity ofHigh Tc Superconductors 631

S.N. Bhatia

Theoretical Study ofElectronic States ofBilayer Cuprate Using Slave Fermion Approach 633

Govind, Ratan Lai and S.K. Joshi

A Theoretical Investigation of Superconductivity in Ni-Zr Metallic Glasses 635

Smita Sharma and Haniph Khan

Evolution of Superconductivity and Charge Density Wave Ordering in 637

the Lu5Ir4(Sii.xGex)i0 Alloy SystemY. Singh and S. Ramakrishnan

The Magneto Resistivity Anisotrophy in HTS (Bi22i2 & Yi23) 639

R. Swarup, S.K. Agrawal and Pawan Kumar

Elastic Properties of La1.85Sr0.i5CuO4 High Temperature Superconductor 641

B. Singh, S. Gupta and S.C. Goyal

Vortex State in Anisotropic Superconductor NdBa2Cu3O0.s Under Tilted Magnetic Field 643

P.K. Mishra, Th. Wolf, V.C. Sahni, A.K. Grover, S Ramakrishnan andH. Kupfer

Study of Dependence of Meissner Signal on the Particle Size of GdSr2RuCu208 645

T. Geetha Kumary, J. Janaki, V.S. Sastry, Y. Hariharan, T.S. Radhakrishnan and M.C. Valsakumar

Study ofthe Peak Effect in Weakly Pinned Single Crystals of LuNi2B2C 647

D, Jaiswal, D. Pal, A. Thakur, S. Ramakrishnan, A.K.Grover, M.R. Eskildsen andP.C. Canfield

Precision Anisotropic Ginzburg-Landau Solution ofthe Abrikosov Vortex Lattice 649

in High-Temperature Superconductors for Arbitrary Magnetic Induction and SymmetryArchana Achlare and B. Dey

Localization of Holes in the Superconductor Tl2Ba2CaCu2Og+x 651

S.N. Bhatia and P. Chowdhury

xxxiii

Transport Properties

Energy Exchange Rates Via Electron-Electron Collision in a GaN lleterostructuie

P. Tripathi and B.K. Ridley

Energy Loss and Entropy Production in Adiabatically Rocked Thermal Ratchets

Raishma Krishnan and A.M. Jayannavar

Exact Calculation of Persistent Currents in One Dimensional Me.soscupic Rings in Pirscncc

ofElectron Correlations

S.K. Maili, J. C/wwdhwy and S.N. Karmakar

Enhancement of Low Field Magnetoresistance in I.ao/Fbn *MnO,/Pr„MCa,i uMn( >«

(Ferromagnetic Metallic/Antiferromagnetie Insulating) Composite System

Subhrangsu Taran, S. Chatterjce, Sudtpta Pal and B.K Chaudhuri

Polaron Hopping Conduction to Metallic Conduction m Amorphous MoOt-TeO. Films

Soma Mukherjee, B.K. Chaudhuri and 11. Sakata

Transport Properties of Bio6Sr0.4Mn|.^ZnxO\V.N. Ilarshan and R. Singh

Thermal Diffusivity of Flash Evaporated CulnSe2 Thin Films by Phototheimal Beam Deftee

Mohammed M.A. Fatlhali, A.S. Asha, Aldrin Antony, Jyatsna Ravi, K P R Nan:T.M.A. Rasheed and M.K. Jayaraj

Electrical Properties of MnFe204R. Srinfvas, R.L. Raibagkar, S. T. Stdepctkar and I. A Uduclmn

Structural, Transport and Electronic Properties of Ni-Doped I dFe()»

M. Wasi Khan, Ravi Kumar, K. Asokan and J P. Srivastava

Size and Interface Effects on the Thermal Conductivity ol GaN i-ihns *»t Hij,»h f erupt-MUiir*,Apurva Jain and Anil Kumar

Thermoluminescencc Study of Ba Doped KC1 with Variation in Radiation \lmrM. Srinivas

Elcctron-Phonon Coupling in MgB?: A Resistivity StudyDinesh Varshney, K.K. Choudhary. M. Azad and R K Singh

Low Temperature Specific Heat Analysis of Metallic MangamtesDinesh Varshney. N. Kaurav, M. Sharma and R K Singh

Optical and Thermal Properties of Porous Silicon by I'l. and PA Sped tun i*jnJ. Msenadevi, S. Sanjeeviraja and K. Ramaehtmdnm

Decomposition Revelation in Cadmium Tartrate Through Hcetiicd ("nmlm in jij,S.K. Arora, Anjana Kothari and Brife.\h Amin

DC Conductivity and Steady State Photoconductivity in I bin I dim i»l Sh,Sr3 „,GLmo

A.S. Matin, D.R. Goyal and V Singh

Annealing Behaviour of C 'old Worked J >., Alloy by PhaUwumtu Spet it.>>,t «jnM Sivahharailiy, N Shunktir. P I'alarmJHinn. M Immtcum P K>ih,mvund.<u<mand K Ramachandmn

XXXIV

Thermal Expansion of Al0.3Ga0.7As by Experiment and Simulation 689

S. Chitra andK. Ramachandran

Molecular Motions of Methanol Adsorbed in Porous Media 691

S. Mitra, V.S. Kamble, A.K. Tripathi, N.M. Gupta andR. Mukhopadhyay

Dielectric Properties ofProton Irradiated PES 693

NilamShah, N.L. Singh and K.P. Singh

Diffusion ofAcetylene in Na-Y Zeolite 695

S. Mitra, S. Sumitra, A.M. Umarji, R. Mukhopadhyay, S. Yashonath and S.L. Chaplot

Occurrence ofa Possible Kondo-Like Behaviour in Al7oPd20MnI0..xFex(x=0, 2) 697

Icosahedral Quasicrystalline Alloys'Archana Jaiswal, R. Rawat and N.P. Lalla

Synthesis and Properties of Polycrystalline and Single Crystals of Oxide Thermoelectric 699

Material NaxCo02C. Thinaharan, Ajay Singh, Deep Prakash, B.P. Sharma, D.K. Aswal, S.K. Gupta,J. V. Yakhmi and V. C. Sahni

Electrical Conductivity of Single Crystals of Doped Bismuth 701

K.K. Dey, D. Banerjee and R. Bhattacharya

Instability of Metal-Insulator Transition in Phase Separated Lao.67Sro.33Mno.7Feo.3O3 703

K. DeandS. Giri

Study of Electromigration in a Metal Film Using Noise and Simulation as a Probe 705

Achyut Bora and A.K. Raychaudhuri

Investigations ofHole Doped Rare Earth Manganites in the Polaronic Transport Regime 707

Himanshu Jain, A.K. Raychaudhuri and Y. Mukovskii

Study of Gas Permeation for Polymer Blends 709

P.K. Yadav, K. Kulshrestha, R.K. Mangal, N.K. Acharya and Y.K. Vijay

Experimental Study of a Prototype Polymer Electrolyte: PEO-NH4CI04 711

M. Maitra, A.J. Bhattacharyya, H.S. Leipner, T.R. Middya, S. Tarafda and Udayan De

Surface Morphology and AC Conductivity Behaviour of Polypyrrole-Fly Ash Composites 713

M. V. Murugendrappa, Syed Khasim, M, V.N. Ambika Prasad, M, Revansiddappaand S.C. Raghavendra

Swift Fleavy Ion Irradiation Induced Modifications in Structural, Electrical, Transport and 715

Magnetic Properties of Lao.7Ce0.3Mn03 Thin Films

Ravi Kumar, R.J. Choudhary, S.I. Patil and S.P. Sanyal

Magnetoresistive Behaviour of Lao.sPbo.sMnOs/Silica Homogenous Nanocomposite Synthesised 717

by Sol-Gel Method

Shilpi Karmakar, S. Pal, S. Taran and B.K. Chaudhari

Transport Properties of (LaiyPry)o.6sCa0.23Mn03Observation of Crossover From A-Type 719

to CE-Type Antiferromagnetic State

Sandip Chatterjee, Subhrangsu Taran and B.K. Chaudhuri

xxxv

Ferroelectric Properties of Sr-Doped Barium Iron Niobate

S.B. Bajaj, R.L. Raibagkar andL.J. Raibagkar

Tuning ofCoherence Effects Upon Substitution of Transition Metal Impurities in an

Otherwise Kondo Insulator

Archana Lakhani, L.S. Sharath Chandra, Mohan Gangrade and V. Ganesan

Influence ofZr4H/Ti4' on the Resistivity of Mn-Zn Ferrite

A.D.P. Rao, B. Ramesh and S.B. Raju

Effect of Sb'VMo6' Cations on Dielectric Behaviour of Mn-Zn Ferrite

A.D.P. Rao, K.S. Lakshmi and S.B. Raju

Morphological and Electrical Study of Mechanochcmically SynthesizedAmorphous Ag2S.015S^-S^ Superionic System

J. P. Tiwari and K. Shahi

Positive Magnetoresistance ofNonmagnetic Metallic Perovskite Oxides

N. Gayathri and A.K. Raychaudhuri

Semiconductor Physics

Some Static Properties of 1I-VI Semiconductor CompoundsA.R. Jivani, P.N. Gajjar and A.R. Jani

Diffusion Thermopower in GaN Quantum Wells

M.D. Kamatagi, N.S. Sankeshwar and B.G. Mulimani

Molecular Scale Architecture ofOrganic Photovoltaic Devices Based on Layer-by -Layer

Electrostatic Self-Assembled Films

Basudev Pradhan andAmlan J. Pal

Dependence of Optical and Electrical Properties of Tungsten Diselenide Single Crystals on P

Rajiv Vaidya, J.B. Patel, M.N. Parmar, G.K. Solanki and M.P, Deshpande

Surface Morphology and Optical Effects of 50 MeV Li-Ion Irradiated Crystalline (iaAs

J. Malik, KL. Bhatia, N. Kishore, N.C. Mehra, A.S. Maan andD.R Ooyal

Spectroscopy of Charge Transfer Complexes of BIS (N-H Sahcyclaldirrunato) Cu"

Jagdish Prajapati, A.T. Oza andS.G. Patel

Effect of 140 MeV Oxygen(0*') Ions on Detector Grade N-Type Silicon

Sandeep K. Chaudhuri, Samrat Mukherjee, P. V. Rajesh, S S Ghup/e and D Pit*

Gettering of Gold in MeV Carbon Implanted SiliconS. Mohapatra, B. Joseph and D.P. Mahapatra

Non-Linear Mixing of Optical Signals by Semiconductor GratingVandanu Chatunvdi and D. C. Tiwari

On the Impurity States ofa Quantum Dot

P. Nithiananthi. A Siji and K. Jayakumar

High Energy Electron Induced Gain Degradation in Bipolar Junction TraiwiMcvr

S.R. Kulkarni, M. Ravindra, G.R. Joshi, Ganesh, K Sidtluppa and R fiimlr

xxxvi

Temperature and Frequency Dependence of Permitivity of Ga-Se-Te Glassy Alloys 757D.R. Goyal, A.S. Maan and V. Singh

XRD on the Lattice Damage Due To 30 KeV H+ Ion Implantation in N-GaAs 759M. Sivabharathi, S.D.D. Roy, N. Shankar andK. Ramachandran

Electron Scattering Rate in Doped Semiconductor Superlattices 761K.N Vyas, N.K. Chhaya andA.C. Sharma

Negative Differential Resistance in Micro-Patterned Nanocrystals 763SudipK. Batabyal, Anirban Bandyopadhyay, C. Basu, A.R. Das and G.S. Sanyal

XPS Study of Cadmium Sulphide Nano-Crystallites 765O.P. Sinha, Ritu Srivastava, S.C. Das, U.P. Deshpande and T. Shripathi

Photovoltaic Assisted Hydrogen Production by Water Electrolysis 767M. Krishna Kumar, A. Subrahmanyam and S. Ramaprabhu

Resistivity Peculiarities in Cadmium Oxide Material at Low Temperatures 769K.C. Verma, A. Das, A. Sarkar and Udayan De

Growth ofSingle Phase In2S3 Films by Chalcogenisation ofMetallic Indium Films 771Rahana Yoosuf, Aldrin Antony, R. Manoj, Mini Krishna, M. Nisha and M.K. Jayaraj

Growth Stacking Faults Probabilities and High Pressure Studies on MoS2 Single Crystals 773Madhavi Dave, Jyoti Batra, Rajiv Vaidya and S. G. Patel

The Preparation and Structural Studies ofNbSe2 Single Crystal 775Mehul Dave, Rajiv Vaidya and S. G. Patel

Growth and Properties ofTaSe2 Single Crystal 777Rajiv Vaidya, Madhavi Dave and S. G. Patel

Electrical Properties of ZrSxSe3.x(x=0, 0.5 and 3) Single Crystals Grown by Iodine Transport Method 779

KaushikPatel, Jagdish Prajapati, Rajiv Vaidya andS.G. Patel

Magnetism

On Magnetic Ordering in PrCu2Sn2 and NdCu2Sn2 783Chandan Mazumdar, R. Nagarajan, S.K. Dhar, L.C. Gupta, C. Godart andB.D. Padalia

Study ofMagnetic Compton Profiles of Ce(Fe0,97h"o.o3)2at 70K 785

B.K. Sharma, B.L. Ahuja, V. Purvia, M. Sharma, P. Chaddah, S.B. Roy,Y. Kakutani, A. Koizumi andN. Sakai

Magnetism and Electrical Transport in Dy-Substituted Gd5Si2Ge2 787R. Nirmala, V. Sankaranarayanan, K. Sethupathi, Amish G. Joshi, S.K. Malik

and A. V. Morozkin

Transport and Magnetism in Al Substituted Lao.gSr^MnOs+s 789Kaustav Mukherjee, Kranti Kumar, Sunil Nair, A. Niazi and Alok Banerjee

Investigation ofMagnetic and Transport Properties in Charge Ordered Pr0,5CAo.5Mni.xGax03 791A.K. Pramanik, Sunil Nair andA. Banerjee

Mossbauer Study ofPhase Separation in Lao^Cao^Mrio.gFeo.A 793Sher Singh and S. C. Bhargava

xxxvii

Phase Spliting in Lao.7.xDyxCao.3Mno,.nFeo.o303: A MOssbauer Study 795

Sher Singh and S.C. Bhargava

Magnetocaloric Effect in DyPt2 797

R. Rawat

Effect of Hydrostatic Pressure on the Kondo Effect in the Ileavy Fcrnnon System Yb?Fe ,Si s 799Y. Singh and S. Ramakrishnan

Anti-Ferromagnetism and Anisotropy in Single Crystalline TnijFe^Su 801

Y. Singh, S. Ramakrishnan and C. Geibcl

Low Temperature Properties of the New Kondo Lattice Compound Yl\.lr,()t\ 803Y Singh and S. Ramakrishnan

Magnetocaloric Effect in H05SU 805

S.K. Tripathi, KG. Suresh, D. Banerjee, N.K. Singh and A.K. Nigam

EPR and Optical Investigations of Eu2' Doped BaFCI Phosphor 807V. Ramesh Kumar, N.O. Gopal andJ.L. Rao

Inverse of Spin Canting' Effect in Con.jZn0 nFe204 Spinel Oxide 809R.N. Bhowmik and R. Ranganathan

Itinerant Ferromagnetism in Doubly Degenerate Hubbard Model 811Piyush Dim, Sunil Panwar and Ishwar Singh

Static and Dynamic Magnetic Properties ofAmorphous Fe2Oi 813M.D. Mukadam, S.M. Yusuf, P. Sharma and S.K. Kulshreshtha

Giant Magneto-Impedance and Magnetization Behaviour m Fc-Cu-Nb-Kt-B Ba&cd Soil 815Ferromagnetic Metallic Glasses

M.K Singh and T.K. Nath

Magnetic Ordering, Kondo Effect and Superconductivity inCcj»{La,YK RltSi, SI7KausikSengupta, S- Rayapral and E.V. Sampathkumamn

Structural and Magnetic Properties of Pn(Fe0«AL, 2)j71T1(\ Compound 8 S 9S. Venkatesh, G. Markandeyulu, S. Pandian, V. Oumdrmtkaran and K f" .V Runui Ruu

Spin Glass Anomalies in Stoichiometric Spin-Chain Oxides CWoXCMX Rf», Ir and ( 0) 821S. Rayaprol, Kattshik Sengupta and E. V. Sampathkumtmm

Ferromagnetism in the Hubbard Model: A Modified Perturbation Theory h'BG. Gangadhar Reddy, A. Ramakanth and W. Molting

Magnetic Phase Diagram of the Low-Density Ferromagnetic Kondo Iattite %BW. Nolting, A. Ramakanth, M. Lipowczan and G.C Reddy

Magneto Transport Properties ofLa^FrsSraMnjOj 82?Niharika Mohapatra, S.N. Bhatia, IXC Kundahya. A K Nigam andS K Malik

Structure and Magnetic Properties of Ferri-Ferricyanidc k2l)Arnit Kumar and S.M. Yusuf

xxxviii

Effect of Geometric Anisotropy on AC Susceptibility Measurements 831Debjani Karmakar and K. V. Bhagwat

A Phase Analysis of Mild Steel Corrosion Using 57Fe Mossbauer Technique 833

Roshan Lai, N.D. Sharma and Suman

Mossbauer Spectroscopic Study of XZnO(4o.X)YFe203 60B2O3 System 835

Roshan Lai, N.D. Sharma and Suman

Electrical and Magnetic Properties of (La0.2sNdo 25)Ca0.25Sro.25)Mn03 Manganite 837D.S. Rana, CM. Thaker, K.R. Mavani, D.G. Kuberkar and S.K. Malik

Comparative Study ofMagnetic Behaviour of Co1+xRxFe2.2x04 Spinel Ferrite System 839

M.C Chhantbar, K.P. Thummer, U.N. Trivedi, S.S. Bhatu, V.K. Lakhani, R. Tannaand U. V. Chhaya

Effects of Al on the Magnetic Properties of YGdFei7_xAlx(x=0,l,2,3,4,5,6 and 8) 841R. Srilatha, G. Markandeyulu and V.S. Murty

Observation of Landau-Lifshitz Resonant Microwave Absorption in Epitaxial 843

Lai„xPbxMn03 Thin Films

Ajay Singh, D.K. Aswal, R.M. Kadam, M.K. Bhide, S.K. Gupta, J.V. Yakhmi and V.C. Sahni

Phase Separation Across the First Order Transition in Doped-CeFe2 Alloys 845

K.J.S, Sokhey, M.K. Chattopadhyay, A.K. Nigam, S.B. Roy and P. Chaddah

Asymmetry Between the Extent of Supercooling and Superheating Across 847

Ferromagnetic to Antiferromagnetic Transition in Ce(Feo,96Ruo.o4)2M.K. Chattopadhyay, S.B. Roy, K.J.S. Sokhey and P. Chaddah

Transport Studies ofNi-Co-Al Ferromagnetic Shape Memory Alloys 849

K.J.S. Sokhey, Meghmallar Manekar, M.K. Chattopadhyay, S.B. Roy and P. Chaddah

Effect ofAl and Co on the Magnetic Properties of SmTbFe17 851J. C. Ingersoll, G. Markandeyulu, V.S. Murty and K. V.S. Rama Rao

Tetravalent Substitutions in Lao.67Cao.33Mn03:Dominant Role of Local Structure on the 853

Ground State Properties of CMR ManganitesL. Seetha Lakshmi, V. Sridharan, D. V. Natarajan, RajeevRawat,V. Shankara Sastry, Y. Hariharan and T.S. Radhakrishnan

Double Metal-Insulator Transitions and Magnetoresistance in the Magnetic 855

Phase Separated Ru Doped Lao^Cao^MnOjL. Seetha Lakshmi, V. Sridharan, D. V. Natarajan, Rajeev Rawat,V. Shankara Sastry and T.S. Radhakrishnan

Evidence of Electron-Magnon Scattering Process in Li3+ Irradiated Lao,7Pbo.3Mn03 857

S. Chattopadhyay, Aritra Banerjee, A. Sarkar, Ravi Kumar, D. Banerjee and B.K. Chaudhuri

On the Electrical Conductivity ofNi-Mg Ferrite 859

Achamma John Mathai, K.D. Patel, V.M. Pathak and R. Srivastava

Magnetization Studies on Nanocomposite NdioFe85B5 Ribbon 861

M. Tamilmani, R. Justin Joseyphus, A. Narayanasamy, L.K. Varga and N. Sivakumar

Anisotropy in Giant Magneto-Impedance in a-Fe73.5Nb3 CuiSi13.5 Alloy 863

B. Kaviraj and S.K. Ghatak

XXXIX

Structural and Magnetic Properties of Core-Shell Type Ni-Ag Fine Particles 865

A. Roy, S. Ram and V. Srinivasa

Effect of Zn Substitution in Mn-Ferrite System 867

Kinnari Parekh, R.V. Upadhyay and R.V. Mehta

Mixed Magnetic Clusters in Zn-Co Ferrite: A Low Temperature Mossbauer Spectroscopic Study 869

B. Ghosh, S. Kumar, R.N. Bhowmik and R. Ranganathan

Magnetic Properties ofNano-Particles of Ce Substituted Cobalt Ferrite 871

Seema Lakhanpal, S.K. Jain, Anjali Krishnamurthy and Bipin K Srivastava

Radiation Induced Radicals in Ce Doped SrBPOrEPR Investigations 873

Mithlosh Kumar, R.M. Kadam, V. Natarajan and A.G. Page

Photo-Magneto Electrets of Kapton Polyamide 875

M.S. Qureshi, R.N. Dubey andAarti Tyagi

Effect of 190 MeV Ag Ion Irradiation on Magnetization of NiMno<nT»oaFci „0« Fcnite 'lliin Film 877

Anjana Dogra, Ravi Kumar, V. V. Siva Kumar, D.C. Kundaliya. S.K. Malik, N Kumar

and M. Singh

Size Dependance of Magnetic Properties ofNano Particles of Fej jCdo tO* 879

Subhash Chander, Anjali Krishnamurthy and Bipin K. Srivastava

Effect ofDy Doping for La on the Magnetic and Electrical Properties of Lao jCa« )MnO« Pcrov»kite 881S.M. Yusuf, K.R. Chakraborty, R. Ganguly, P.K. Mishra, S.K. Paranjpe, J V Yakhmi

and V.C. Sahni

Magnetic Properties of Co0 75Nio.75[Fe(CN)6],5H20 883Amit Kumar and S.M. Yusuf

Magnetic Study ofCo2+ Exchanged Nay Zeolite 885M.D. Mukadam, S.M. Yusuf, R. Sasikala and S.K. Kukhrtstha

Structural, Electrical and Magnetic Properties of Hoo 8sTb« hEcjB, 887J. Araut Chelvane, G. Markandeyulu and S. Kasiviswanalhan

Election Paramagnetic Resonance Studies of Mn2' Activated Willemitc Phosphor 819R.P. Sreekanth Chakradhar, B.M. Nagabhushana, G.T. Chandrnppa, KP Httmeth and J L Ran

Metal-insulator Transitions in Lai.xCu„MnOi Compounds 891Manoranjan Kar and S. Ravi

Structural and Magnetic Properties ofErTiCoM,sAl» g»nD, Banerjee, KG. Suresh, S.K. Tripathy, Niraj K. Singh and A K Nigam

Magnetic and Transport Properties of Ce2Pdj.»Ni»Ge$(x-l,2) System 895G. V.M. Kiruthika, Ruta Kulkarni, S.K. Dharandl C Gupta

Thesis Contributions

Physical Properties of Spinel Fcrrites K99R.N. Bhowmik

xl

Study of Superconductivity and Magnetism in Some Intermetallics and Oxides - 901T. GeethaKumary

Studies on Bulk and Thin Films ofLead (Pb) Modified Chalcogenide Glasses 903

Akhyaya K. Pattanaik

Study ofCertain Physical Properties ofSome D-and F- Shell Metals by Pseudopotential Theory 905

J.K. Baria

Small-Angle Scattering Investigations on Some Technologically Relevant Materials 907

Debasis Sen

Inelastic Neutron Scattering and Lattice Dynamics of Geophysically Important 909Minerals and Novel Compounds

R. Mittal

Pressure Induced Phase Transitions in Some Materials 911

Chitra Murali

Ion Beam Characterization and Engineering ofStrain in Semiconductor Multi-Layers 913

S. V.S. Nageswara Rao, Anand P. Pathak and D.K. Avasthi

Study ofAtomic Interactions and Vibrational Dynamics of Binary and Ternary Amorphous 915

Metallic SystemsKirit N. Lad

Phase Transformations in Nanocrystalline Alloys:Effect of Grain Size and Grain Boundaries 917

S. Sarkar and C. Bansal

Evolution and Evaluation of Schottky Barriers 919

Bharat P. Modi

Invited Talks

Coexistence, Competition of Charge Density Wave with Superconductivity or Magnetism in 923

RE5 Ir4 Si io CompoundsS. Ramakrishnan

Magnetic Ordering in the Superconducting Mixed Ruthenium-Copper Oxide Sr2RE(Rui.xCux)06 928

M.K. Wu

An Interesting Magnetoresistive System: Sr2FeMo06 929

Sugata Ray and D.D. Sarma

Carbon Nanotube Flow Sensors 932

5. Ghosh, A.K. Sood, Sriram Ramaswamy andN. Kumar

Defect and Phase Evolutions in Self-Ion Implanted GaN Nanowires 935

5. Dhara

Dynamics ofMonolayers on Metal Nanoparticles 939

T. Pradeep

Upper Critical Field of Superconducting MgB2 940

5. Patnaik

xli

Theory of Superconductivity in MgB2G. Baskaran

Phase Coexistence and Metastability Across Disorder-Influenced First Order

Magnetic Transition in Doped - CeFe2

S.B. Roy. M.A. Manekar. M.K. Chattopadhyay, KJS Soklwv and I' Chaddah

IIPCAT at the APS:Revicw of the Facility and First Year Results

Daniel Hausermann

Heating Samples at High Pressure in Diamond Anvil Cells

Sandccp Rekhi, Isaac F. Silvera and Sang-Heon Shim

Studies on High Density Matter Created by Laser Driven Shocks

M. Shukla and B.K. Godwal

Body Centered Cubic Iron in the Earth's Inner Core

Anatoly B. Belonoshko, Rajeev Ahuja and BGrje Johansson

Equilibrium Magnetization in the Peak Effect Regime ofWeakly Pinned SuperconductorsG. Ravikumar

Ah Initio Study ofMultiferroic Materials

Umcsh Waghmare

Random Field Ising ModelPrabodh Shukla

1/F-Noise in Non-Ohmic Regimes of Disordered SystemsKama! K. Bardhan

Liquid Crystals Made ofBanana-Shaped MoleculesN. V. Madhusudana

Development of Organic Polymer Films for Electronic ApplicationD.C. Tiwari

Electron Correlation Effects in Novel Materials:Reeent Studies of ('uprated. Manumit1*and 3D Quantum Dots

Aran Bansil

Neutron Scattering

An Overview of Neutron Scattering at BARC

V.C. Rakhecha andR. Mukhopadhyay

The First Polarized SUSANS instrument

Apoorva G. U'ag/i

Translations! and Rotational Motion of Small Organic Molecules m /c«lurs In

QENS and Molecular Dynamics Simulations

S. Yashonath

Author Index

xlii