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Curriculum Vitae for Ahmed M. El-Naggar

Name:

Ahmed M. El-Naggar

Mailing address:

P.O. 2455, Physics and Astronomy Dept., College of Science, King Saud University,

Riyadh 11451, Saudi Arabia.

E-mail address:

elnaggar@ksu.edu.sa, amelnaggar@yahoo.com

Phone No:

Office: (+966) 01 4676364,

Mobile: (+966) 502224032

Present Job:

Professor at Physics and Astronomy Dept., College of Science, King Saud University,

Riyadh, Saudi Arabia.

Qualifications:

1. B.Sc. in physics from the Faculty of Science, Ain Shams University in 1980.

2. M.Sc. in Physics from the Faculty of Science, Ain-Shams University in 1986.

Ms. Thesis title: “Studies on solar energy systems and its storage techniques”

3. Ph.D. in Physics from Technical Clausthal University (Germany) and Ain-Shams

University in 1993.

PhD. Thesis title: “Studies on amorphous silicon solar cells”

4. Assistance Professor of Physics (1993- 2002).

5. Associate professor of Physics (2002-2013)

6. Professor of Physics (2013- now).

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Professional Work Experience:

1. Demonstrator at the Physics Department, Faculty of Science, Ain Shams University

(1980-86).

2. Assistant Lecturer at the Physics Department Faculty of Science, Ain Shams

University (1986-88).

3. PhD. Student at Technical Clausthal University(Germany) and Ain-Shams

University (1988-1993).

4. Assistant Prof. at the Physics Department, Faculty of Science, Ain Shams

University (1993-1998).

5. Visiting researcher at Leeds University, Leeds, United Kingdom (1998).

6. Post-Doctor at North Carolina State University, Raleigh, NC, USA (from Sept.

1999- May 2000).

7. Post-Doctor at the institute of applied Physics, Technical Clausthal University,

Germany (May 2000- October 2000).

8. Visiting Scientist at the Institute of Optics, University of Rochester, New York,

USA (Oct.2000-till Oct.2002).

9. Associate Professor at Physics Dept., Faculty of Science, Ain-Shams University,

Cairo, Egypt (Oct.2002-Oct 2003).

10. Associate Professor at Physics and Astronomy Dept., College of Science, King

Saud University, Riyadh, Saudi Arabia (Oct.2003-2013).

11. Professor at Physics and Astronomy Dept., College of Science, King Saud

University, Riyadh, Saudi Arabia (Sept.2013-now).

Teaching Work Experience:

1. Teaching Experimental Physics at the faculty of Science, Ain Shams University

(1980-1988).

2. Teaching the following Under-graduate courses:

Solid state, Semiconductors, Solid state Electronics, Alternating current,

Electromagnetism, Electronics, Microwave, Digital circuits and Computer, Mechanics,

Experimental Physics, materials science, modern physics, Optics, Waves,

Thermodynamics, general physics (1993-till now).

3. Teaching the following post-graduate courses (for Master and PhD.):

X-Ray Diffraction and applications, Semiconductors, Materials Science, Solar Cells,

Photoconduction Processes in semiconductors, Characterization Techniques of

Materials.

Scientific and Practical Activities:

1. Getting the M.Sc. degree under an American Egyptian Program between Pittsburgh

University Pennsylvania, United States of America and Ain-Shams University

(1982-86). The Master Thesis was titled "Studies on solar energy System analysis

and its storage techniques".

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2. Getting the Ph.D. degree from Technical Clausthal University, West Germany, and

Ain Shams University (1988-93).

The Ph.D. thesis was titled "Studies on Amorphous silicon solar cells"

3. Supervising on PhD. thesis titled "Annealing of compound semiconductors under

controlled vapour pressure of volatile compounds", in Co-operation with the

institute of applied Physics, Technical Clausthal University, Germany (1993-98).

4. Passing the integrated training course in Computer programming with grade very

good from The computer center, Ain Shams University (1983).

5. Upgrading the electronic lab. For under- Graduate Physics students at the faculty

of Science, Ain-Shams University (1996-97).

6. Developing the physics syllabi for both Under and post graduate students at the

Faculty of science, Ain Shams University (1995).

7. Pioneering of the physics group at the Faculty of science, Ain shams University for

Making electronic circuits and physics Experiments (1996-97).

8. Conducting a research work in Material science and devices in different countries,

USA, Germany, United Kingdom, (1998-2002)

9. Upgrading the postgraduate research labs of The Renewable Energy &

Environment Research Group, Physics & Astronomy department, Faculty of

science, King Saud University, (2003-now)

10. Conducting a research work in synthesizing and characterization of semiconductor

thin films and solar cells at Physics & Astronomy department, Faculty of science,

King Saud University (2003-now)

11. Supervising on about 20 Master and PhD thesis.

12. Getting financial support for five different research projects.

13. Achieving a joint research program in non-linear optical materials between King

Saud University, Saudi Arabia and Czestochowa University of Technology,

Czestochowa, Poland (from 2011- now).

14. Reviewer for some scientific journals inside and outside Saudi Arabia.

15. A member of Renewable Energy and Environment Research Group, Physics dept.,

King Saud University.

16. A member of scientific research chair for renewable energy applications, Physics

dept., King Saud University.

17. A member of joint Master program of renewable energy, King Saud University.

18. A member of consultant committee of sustainable energy center, King Saud

University.

19. A member of plans and courses committee at physics and astronomy Dept. College

of Science, King Saud University.

20. Coordinator of the accreditation committee for post-graduate program at physics

and astronomy Dept. College of Science, King Saud University.

21. Coordinator of a general Physics course (103 Phys.) for engineering and

information science students at king Saud University

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Scholarships and Scientific Missions:

1. Scholarship for getting the PhD. Degree from Technical Clausthal University,

Germany, and Ain-Shams University (1988 to 1993).

2. Scientific Mission to England (Leeds University (1998)

3. Scientific Mission to USA, North Carolina state University, Electrical and

Computer Engineering Dept. (from Sept.1999 till May 2000)

4. Scientific Mission to Germany, Technical Clausthal University (from May 2000-

October 2000)

5. Scientific mission to USA, New York, University of Rochester, Institute of optics

(Oct.2000- Oct.2002)

Research work experience:

1. My research area is: III-V Semiconductor Materials and devices (e.g. Quantum dot

& quantum well lasers, HBT & BJT transistors), Silicon on Insulator Technology

(SOI), Ternary compound semiconductors CuInSe2, and Amorphous Silicon.

2. Growing of thin films and devices using Molecular Beam Epitaxy (MBE), Pulsed

Laser Deposition (PLD), Evaporation, Electron beam, and Sputtering.

3. Fabrication of semiconductor devices

4. Thin film characterization using Scanning Electron Microscope (SEM), High

Resolution Transmission Electron Microscope (HRTEM), Photoluminescence

(PL), X-Ray Diffraction (XRD), Atomic Force Microscope (AFM), Hall Effect and

conductivity Measurements, RHEED, EDX, and AEG.

5. Electrical and optical Characterization of the Fabricated films and devices.

6. Characterization of solar cells parameters (design and performance) under normal

and concentrated solar radiation.

7. Solar energy storage techniques.

8. The optical properties of thin film and bulk materials.

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List of Publications:

A) Journals

1- Zein K. Heiba, Mohamed Bakr Mohamed, Noura M. Farag, A. M. El-naggar, and

A. M. Aldhafiri, Influence of transition metals doping (M) on the structural, optical,

and electronic properties of non-stoichiometric nano-CdS12x:Mx, J Mater Sci:

Mater Electron, published online 04 January 2021, https://doi.org/10.1007/s10854-

020-04953-9

2- M. Emam-Ismail, M. El-Hagary, H.M. El-Sherif, A.M. El-Naggar, M.M. El-

Nahass, Spectroscopic ellipsometry and morphological studies of nanocrystalline

NiO and NiO/ITO thin films deposited by e-beams technique, Optical Materials 112

(2021) 110763.

3- Nabil El-Faramawy, Ahmed El-Naggar, Clemens Woda, Mohamed El-Kinawy,

Investigation of TL dosimetric parameters of lithium borate glass doped with

dysprosium, optical materials, in press (2021).

4- Zein K. Heiba, Noura M. Farag, A.M. El-naggar, Mahmoud Abdellatief, A.M.

Aldhafiri, Mohamed Bakr Mohamed, Effect of Mo-doping on the structure,

magnetic and optical characteristics of nano CuCo2O4, journal of materials

research and technology, 10 (2021) 832-839.

5- A.M. El-naggar, Mohamed Bakr Mohamed , A.M. Aldhafiri, Zein K. Heiba, Effect

of vacancies and vanadium doping on the structural and magnetic properties of

nano LiFe2.5O4, journal of materials research and technology, 9(6) (2020) 16435-

16444.

6- Zein K. Heiba, Noura M. Farag, A.M. El-naggar, Jasper R. Plaisier , A.M.

Aldhafiri, Mohamed Bakr Mohamed, Influence of Cr and Fe doping on the

structure, magnetic and optical properties of nano CuCo2O4, Ceramics

International, Available online 20 November 2020,

https://doi.org/10.1016/j.ceramint.2020.11.135.

7- Zein K. Heiba, M.A. Deyab, A.M. El-naggar, Mohamed Bakr Mohamed,

Electrochemical performance of quaternary (1-x)ZnMn2O4/(x)MgFe2O4 solid

solution as supercapacitor electrode, Ceramics International, Available online 12

November 2020, https://doi.org/10.1016/j.ceramint.2020.11.088.

8- Zein K. Heiba, Mohamed Bakr Mohamed, A. M. El-naggar, and A. A. Albassam,

Effect of Mg and Cu doping on structural, optical, electronic, and thermal

properties of ZnS quantum dots, J Mater Sci: Mater Electron, 31 (2020) 21342–

21354.

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9- Zein K. Heiba, Mohamed Bakr Mohamed, Nasser Y. Mostafa & A. M. El-

Naggar, Structural and Optical Properties of Cd1−xMnxFe2O4/PMMA

Nanocomposites, Journal of Inorganic and Organometallic Polymers and

Materials volume 30, pages1898–1906(2020)

10- Zein K. Heiba, Mohamed Bakr Mohamed, N. G. Imam & A. M. El-

Naggar, Optical and Electrical Properties of Double-Walled Carbon

Nanotube/Polyaniline Composite, Journal of Superconductivity and Novel

Magnetism volume 33, pages1439–1445(2020).

11- O.V.Tsisar,L.V.Piskach,L.P.Marushko,E.M.Kadykalo,G.L.Myronchuk,A.Makhno

vetz,M.Denysyuk,A.H.Reshak,A.M.El-Naggar,A.A.Albassam,I.V.Kityk, Optical

features of novel semiconducting crystals Tl1–xGa1–xSnxSe2 (x=0.05; 0.1), Optik

Volume 206, 163572 (2020)

12- G. Lakshminarayana, A.M. El-Naggar, G.L. Myronchuk, E. Gondek, A.H.

Reshak, P. Czaja, I.V. Kityk, Laser-stimulated Pockels effect in CdBr2/Cu polymer

nanocomposites, Physica E 118 (2020) 113904.

13- N Bano, I Hussain, A M EL-Naggar, and A A Albassam, Modulating the ZnO NR

shape to enhance the luminescence efficiency for optoelectronic applications,

Mater. Res. Express 7 (2020) 025042

14- Zein K. Heiba, Mohamed Bakr Mohamed, Noura M. Farag, A. M. El-naggar & A

A. Albassam, Cu-substituted sulfur in nano-ZnS: structural, optical and electronic

properties study, Journal of Materials Science: Materials in

Electronics volume 31, pages12696–12707(2020).

15- Zein K. Heibaa, Mohamed Bakr Mohamed, Jasper R. Plaisier, A.M. El-naggar,

A.A. Albassam, Influence of (Mn or Co)-doping on structural, magnetic and

electronic properties of nano Zn0.75Cd0.25S, Chinese Journal of Physics 67 (2020)

414–427.

16- G. Lakshminarayana, A.M. El-Naggar, I.V. Kityk, E. Gondek, P. Karasinski,

Photostimulated nonlinear optical switching materials based on CdBr0⋅95Cl0.1

nanocrystalline layers, Physica E 120 (2020) 114059.

17- Zein K. Heiba, Mohamed Bakr Mohamed, S. I. Ahmed, A. M. El‑naggar, AA.

Albassam, Effect of composition ratio on the structural and optical properties of

MnS@ZnS nanocomposites, Journal of Materials Science: Materials in

Electronics volume 31, pages14746–14755(2020).

18- Nabil El-Faramawy, Ahmed El-Naggar, Clemens Woda, Mohamed El-Kinawy,

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Dosimetric properties of lithium borate glass doped with dysprosium,

Luminscence: The journal of biological and chemical Luminescence

(2020) https://doi.org/10.1002/bio.3937

19- O. M. Yanchuk1, O. V. Marchuk, I. A. Moroz, O. A. Vyshnevskyi, A. M.

El‑Naggar, A. A. Albassam, I. V. Kityk, P. Czaja, Femtosecond laser stimulated

anisotropy of electrolytically produced CdS polymer nancomposites Journal of

Materials Science: Materials in Electronics (2019) 30:17741–17746

20- A. M. El Naggar, A. A. Albassam, G. Lakshminarayana, V. V. Halyan, I. A.

Ivashchenko, and A. H. Kevshyn, Exploration of Nonlinear Optical Features of

Ga2S3–La2S3 Glasses for Optoelectronic Applications, Glass Physics and

Chemistry 45:6 (2019) 467–471

21- A.M. El-Naggar, K. Ozga, A.A. Albassam, G. Lakshminarayana” Laser operation

by kesterite chalcogenide nanocrystals”, Optik - International Journal for Light and

Electron Optics 176 (2019) 202–205.

22- A.M. El-Naggar, A.A. Albassam, G. Lakshminarayana, G. Myronchuk” PbO–

Bi2O3–Ga2O3–BaO glass nanocomposites as promising materials for

elastoopticity”, Optik - International Journal for Light and Electron Optics 181

(2019) 368–371.

23- A.M. El-Naggar, A.A. Albassam, G. Lakshminarayana, G. Myronchuk, “ Laser-

stimulated elastoopticity in nanocrystalline CdCl0.5J0.5 layers”, Mater. Res. Express

6 (2019) 045001.

24- N. Bano, I. Hussain, A.M. EL-Naggar, A.A. Albassam, “Exploring the

fluorescence properties of reduced graphene oxide with tunable device

performance”, Diamond & Related Materials 94 (2019) 59–64.

25- N. Bano, I. Hussain, A. M. EL‑Naggar, A. A. Albassam, “ Reduced graphene

oxide nanocomposites for optoelectronics applications”, Applied Physics A (2019)

125:215

26- A.M. El Naggar, A.A. Albassam , G. Lakshminarayana, Dong-Eun Lee, Jonghun

Yoon,Taejoon Park, I.V. Kityk, P. Czaja, M. Nowak, E. Gondek, “ Laser-

stimulated birefringence of Ga2O3-La2S2.95Se0.05 glasses for optical recording

of information”, Results in Physics 13 (2019) 102349

27- A.M. El-Naggar, A.A. Albassam, G. Lakshminarayana, P. Czaja, G. Myronchuk,

M. Matusiewicz, I.V. Kityk, M. Piasecki,” Laser-induced gratings in Ag3AsS3

semiconductors”, Physica B: Condensed Matter 569 (2019)36-39

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28- V. Kityk, K. Ozga, A. M. El Naggar, A. Albassam, and J. Jedryka, “Infrared laser

sensors for monitoring of atmospheric pollutions using nonlinear optical coherent

beams”, Optical Sensors and Sensing Congress (ES, FTS, HISE, Sensors) OSA

Technical Digest (Optical Society of America, 2019), paper JW3A.15

29- K. Ozga, I.V. Kityk, A. M. El Naggar, A. Albassam, and J. Jedryka,” Novel

optically coherent sensors for nonlinear optical coherent monitoring of

pollutions”, Optical Sensors and Sensing Congress (ES, FTS, HISE, Sensors) OSA

Technical Digest (Optical Society of America, 2019), paper JW3A.21

30- Reem AL-Wafi, Attieh A. Al-Ghamdi, Rashida Jafer, Awatif A. Al-Judaibi,

Maryam A. Al-Ghamdi, I. S. Yahia, Obaid Albulym & A. M. El-Naggar,” Rapid

synthesis of cesium-doped hydroxyapatite nanorods: characterisation and

microbial activity”, Advances in applied ceramics 118:6 (2019) 340-350.

31- A. M. El-Naggar, A.A. Albassam, G.L. Myronchuk, O.V. Zamuruyeva, I.V. Kityk,

P. Rakus, O.V. Parasyuk, J. Jędryka, V. Pavlyuk, M. Piasecki,” Photoconductivity

and laser operated piezoelectricity the Ag-Ga-Ge-(S,Se) crystals and solid

solutions”, Materials Science in Semiconductor Processing 86 (2018) 101–110.

32- T. Uchacz, P. Szlachcic , A.A. Fedorchuk , E. Gondek , A. Danel , B. Jarosz

,A.M. ElNaggar, A.A. Albassam, I.V. Kityk, G. Lakshminarayana, P. Czaja, P.

Karasinski,” Laser-induced linear and non-linear optical features in

novel benzoxazole-based on donor-acceptor chromophores”, Journal of

Molecular Structure 1173 (2018) 531-540.

33- A.M. El-Naggar, A.A. Albassam, J. Jedryka , A. Wojciechowski,” Novel

temperature operated electrooptical materials based on K2ZnCl4: PVA polymer

nanocomposites”, Materials Letters 228 (2018) 172–174.

34- O.Y. Khyzhun, A.O. Fedorchuk, I.V. Kityk, M. Piasecki, M.Yu. Mozolyuk, L.V.

Piskach, O.V. Parasyuk, A.M. ElNaggar, A.A. Albassam, P. Karasinsk, Electronic

structure and laser induced piezoelectricity of a new quaternary compound

TlInGe3S8, Materials Chemistry and Physics 204 (2018) 336-344.

35- O.Y. Khyzhun, V.S. Babizhetskyy, I.V. Kityk, G.L. Myronchuk, J. Je˛dryka, G.

Lakshminarayana, V.O. Levytskyy, O.V. Tsisa, L.V. Piskach, O.V. Parasyuk, A.M.

El Naggar, A.A. Albassam, M. Piasecki, Thallium indium germanium sulphide

(TlInGe2S6) as efficient material for nonlinear optical application, Journal of

Alloys and Compounds 735 (2018) 1694-1702.

36- I.S. Yahiaa, Sherif M.A.S. Keshk, S. AlFaify, A.M. El-Naggar, M.M. Abutalib,

Synthesis and characterization of wide-scale UV–vis CUT-OFF laserfilter using

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methyl violet-6B/PMMA polymeric composite films, Sensors and Actuators A 269

(2018) 388–393.

37- K. Ozga, A.O. Fedorchuk, A.M. El-Naggar, A.A. Albassam, I.V. Kityk.

Formation of surface nanolayers in chalcogenide crystals using coherent laser

beams, Physica E: Low-dimensional Systems and Nanostructures 97 (2018) 302–

307.

38- I.V. Kityk, O. Parasyuk, A.O. Fedorchuk, A.M. El-Naggar, A.A. Albassam, M.

Piasecki, O.Y. Khyzhunb, I. Veremchuk, PbGa6Te10 crystals for IR laser operated

piezoelectricity, Materials Research Bulletin 100 (2018) 131–137.

39- A.O. Fedorchuk, O.V. Parasyuk, O. Cherniushok, B. Andriyevsky, G.L.

Myronchuk, O.Y. Khyzhun, G. Lakshminarayana, J. Jedryka, I.V. Kityk, A.M. El-

Naggar, A.A. Albassam , M. Piasecki, PbGa2GeS6 crystal as a novel nonlinear

optical material: Band structure aspects, Journal of Alloys and Compounds 740

(2018) 294-304.

40- Asim Jilani, M.Sh. Abdel-wahabab, H.Y. Zahran, I.S. Yahia, Attieh A. Al-Ghamdi,

Ahmed Alshahrie, A.M. El-Naggar, Chemical state analysis, optical band gap,

and photocatalytic decolorization of cobalt-doped ZnO nanospherical thin films by

DC/RF sputtering technique, Optik 164 (2018) 143–154.

41- A.M. El-Naggar, A.A. Albassam, O. Parasyuk, I.V. Kityk, G. Myronchuk, O.

Zamuruyeva, Yu Kot, , D. Myronchuk, , R. Wojnarowska-Nowak, S. Prokhorenko,

M. Piasecki, Optical and non-linear optical properties of the solid solutions

AgGaGe3(1–x)Si3xSe8,” Optik 168 (2018) 397-402.

42- N. Bano, I. Hussain, M.Y. Soomro, A.M. EL-Naggar, A.A. Albassam, Solution

processable inverted structure ZnO-organic hybrid heterojuction white LEDs,

Optical Materials 79(2018) 322-326.

43- A.S. Krymus, G.L. Myronchuk, O.V. Parasyuk, G. Lakshminarayana, A.O.

Fedorchuk, A. M. El-Naggar, A. Albassam, I.V. Kityk, Photoconductivity and

nonlinear optical features of novel AgxGaxGe1-xSe2 crystals, Materials Research

Bulletin 85 (2017) 74–79.

44- O.M. Yanchuk, J. Ebothé, A.M. El-Naggar, A. Albassam, L.V. Tsurkova, O.V.

Marchuk, G. Lakshminarayana, S. Tkaczyk, I.V. Kityk, A.O. Fedorchuk, O.M.

Vykhryst, I.V. Urubkov, Photo-induced anisotropy in ZnO/PVA nanocomposites

prepared by modified electrochemical method in PMA matrix, Physica E 86(2017)

184-189.

45- M. Piasecki, G.L. Myronchuk, O.V. Parasyuk, O.Y. Khyzhun, A.O. Fedorchuk, V.V.

Pavlyuk, V.R. Kozer, V.P. Sachanyuk, A.M. El-Naggar, A.A. Albassam, J.

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Jedryka,,I.V. Kityk, Synthesis, structural, electronic and linear electro-optical

features of new quaternary Ag2Ga2SiS6 compound, Journal of Solid State

Chemistry 246 (2017) 363–371.

46- P. Szlachcic, A.A. Fedorchuk, A. Danel, B. Jarosz, A.M. El Naggar, A.A.

Albassam, A. Wojciechowski, E. Gondek, T. Uchacz, K. Stadnicka, G.

Lakshminarayana, I.V. Kityk, optically operated second order optical effects in

some substituted 4-(5-nitro-1,3-benzoxazol-2-yl) aniline chromophores, Dyes and

Pigments 141 (2017) 333-341

47- M. Reben, El. Sayed Yousef, M. Piasecki, A. A. Albassam, A. M. El‑Naggar, ·G.

Lakshminarayana,· I. V. Kityk, I. Grelowska, Different modifier oxides effect on

the photoluminescence and photoinduced piezooptics of Er3+-doped fluorotellurite

glasses,J Mater Sci: Mater Electron (2017) 28:8969–8975

48- Maolin Zhang, Guangjiong Qin, Jialei Liu, Zhen Zhen, A.A. Fedorchuk, G.

Lakshminarayana, A.A. Albassam, A.M. El-Naggar, Katarzyna Ozga, I.V. Kityk,

Modification of indole by electron-rich atoms and their application in novel

electron donor materials, Chemical Physics Letters 681 (2017) 105–109.

49- M. Piasecki, M.G. Brik, I.E. Barchiy, K. Ozga, I.V. Kityk, A.M. El-Naggar, A.A.

Albassam, T.A. Malakhovskaya, G. Lakshminarayana, Band structure, electronic

and optical features of Tl4SnX3 (X ¼ S, Te)ternary compounds for optoelectronic

applications, Journal of Alloys and Compounds 710 (2017) 600-607.

50- I.V. Kityk, V.O. Yukhymchuk, A. Fedorchuk, V.V. Halyan, I.A. Ivashchenko, I.D.

Oleksieyuk e, M.A. Skoryk, G. Lakshminarayana, A.M. El-Naggar, A.A. Albassam,

O.O. Lebed, M. Piaseck, Laser stimulated piezo-optics of γ-irradiated

(Ga55In45)2S300 and (Ga54.59In44.66Er0.75)2S300 single crystals, Journal of Alloys

and Compounds 722 (2017) 265-271.

51- G. Lakshminarayanaa, S. Tkaczyk, J. Ebothe, A.M. El-Naggar, A.A. Albassam, I.V.

Kityk, M.A. Mahdi, Laser operated PVA polymer/(TeO2-(x))–ZnO–WO3–TiO2–

Na2O (x = Bi2O3 or Pr2O3 mol %) glass composites, Journal of Non-Crystalline

Solids 471 (2017) 146–150.

52- O. V. Tsisar, L. V. Piskach, O. V. Parasyuk, L. P. Marushko, I. D. Olekseyuk, O.

V. Zamuruyeva, P. Czaja, P. Karasiński, A. M. El‑Naggar, A. A. Albassam, G.

Lakshminarayana, Tl2S–Ga2S3–GeS2 glasses for optically operated laser third

harmonic generation, J Mater Sci: Mater Electron (2017) 28 (24):19003–19009.

53- Jian Zhou, Jialei Liu, Min Wang, Wenjun Hou, Guangjiong Qin, I. V. Kityk, A. A.

Fedorchuk, A. A. Albassam, A. M. El‑Naggar, A. Andrushchak, Novel poly(aryl

ether ketone) with electro-optic chromophore side chains for light modulators, J

Mater Sci: Mater Electron (2017) 28 (24):18568–18577.

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54- Reem AL-Wafi, Rashida Jafer, I.S. Yahia, Attieh A. Al-Ghamdi, Maryam A. Al-

ghamdi, A.M. El-Naggar, Fast and easy synthesis of novel Strontium apatite

nanostructured phase:Structure, spectroscopy, and dielectric analysis, Ceramics

International 43 (2017) 17153–17159.

55- A.A.M. Farag, I.S. Yahia, R. Jafer, Javed Iqbal, H.Y. Zahran, S. Chusnutdinow, T.

Wojtowicz, G. Karczewski, A.M. El-Naggar, Influence of frequency and applied

voltage on electrical characterization of p ZnTe:N/CdTe:Mg/n-CdTe:I/GaAs

grown by molecular beam epitaxy, Materials Chemistry and Physics 201 (2017)

354-361.

56- I.V. Kityk, G.L. Myronchuk, O.V. Parasyuk, A.S. Krymus, h, P. Rakus, A.M. El-

Naggar, A.A. Albassam, G. Lakshminarayana, A.O. Fedorchuk, Specific features

of photoconductivity and photoinduced piezoelectricity in AgGaGe3Se8 doped

crystals, Optical Materials 63 (2017) 197-206.

57- A.M. Al-Baradi, M.M. Abd El-Raheem, H.I. AlKhammash, F. Abdel-Wahab, S.

AlOmairy, M.A. AlHarbi, A.M. El-Naggar, A.A. AlBassam, Ellipsometric study

of Sb doped ZnO thin films deposited by magnetron co-sputtering method, Digest

Journal of Nanomaterials and Biostructures 12: 3(2017) 697 – 705.

58- H. A. Albrithen, A.M. El-naggar, K. Ozga, M. Szota,Z. A. Alahmed,

A.Q. Alanazi, H. Alshahrani, E. Alfaifi, M.A. Djouadi, J.P. Labis, Structural

Transition in SrZnO Laser Pulse Deposited Alloy, Arch. Metall. Mater. 62:1 (2017)

211-216.

59- T.ElBahraoui, M.Sekkati, M.Taibi, M.Abd-Lefdil, A.M. El-Naggar,N.S. AlZayed,

A.A. Albassam, I.V.Kityk, A.Maciag, Specific features of nonlinear optical

properties of Eu3+ doped BiFeO3 nanopowders near antiferromagnetic transition,

Journal ofMagnetismandMagneticMaterials398(2016)127–130.

60- W. Kuznik, A.M. El-Naggar, P. Rakus, K. Ozga, O.V. Parasyuk, A.O. Fedorchuk,

L.V. Piskach, N.S. AlZayed, A.M. AlBassam , V. Kozer, A. Krymus, I.V. Kityk,

Novel AgGa0.95In0.05Ge3Se8 crystalline alloys for light-operated piezoelectricity,

Journal of Alloys and Compounds 658 (2016) 408-413.

61- I. Barchij, M. Sabov, A. M. El-Naggar, N. S. AlZayed, A. A. Albassam, A. O.

Fedorchuk, I. V. Kityk, Tl4SnS3, Tl4SnSe3 and Tl4SnTe3 crystals as novel IR induced

optoelectronic materials, J Mater Sci: Mater Electron (2016) 27:3901–3905.

62- O.M. Yanchuk, L.V.Tsurkova, O.V.Marchuk, I.V.Urubkov, M.Kolcun,

K.M.Rusek, A.M. El-Naggar, A.A.Albassam, Second-order non-linear optical

effects in ZnS nanocrystallites incorporated into different polymer matrices,

Materials Letters169(2016)131–134.

12

63- K. Rusek, A. M. El-Naggar, A. Albassam, G. Lakshminarayana, M. Kolcun, M.

Chmiel, G. Myronchuk, Laser induced birefringence in La–Ga–S–O–Gd glass

polymer nanocomposites, J Mater Sci: Mater Electron (2016) 27 (7):6745–6749.

64- K. Ozga, J. Michel, B.D. Nechyporuk, J. Ebothé, I.V. Kityk, A.A. Albassam, A.M.

El-Naggar, A.O.Fedorchuk, ZnS/PVA nanocomposites for nonlinear optical

applications, Physica E 81(2016)281–289.

65- G. Lakshminarayana, K. Rusek, A.M. El-Naggar, A.A. Albassam, M. Kolcun, G.

Myronchuk, Influence of the nanoparticle sizes on the photo-induced absorption of

La–Ga–S–O–Dy glass nanocomposites, PhysicaE81(2016)290–293.

66- I. S. Yahia, S. AlFaify, M. M. Abutalib, S. Chusnutdinow, T. Wojtowicz, G.

Karczewski, F. Yakuphanoglu, A. Al-Bassam, A. M. El-Naggar, S. M. El-Bashir,

n-(CdMgTe/CdTe)/(p-(CdTe/ZnCdTe/ZnTe)/p-GaAs heterostructure diode for

photosensor applications, Appl. Phys. A (2016) 122:491.

67- I. S. Yahia, S. AlFaify, Attieh A. Al-ghamdi, Hoda S. Hafez, S. EL-Bashir, A. Al-

Bassam, A. M. El-Naggar, F. Yakuphanoglu, Synthesis and characterization of

DSSC by using Pt nano-counter electrode: photosensor applications, Appl. Phys.

A (2016) 122:569.

68- Y. M. Kogut, A. O. Fedorchuk, O. V. Parasyuk, A. A. Albassam, A. M. El-

Naggar, I. V. Kityk, Laser operated piezoelectricity in Ag0.5Pb1.75GeS4 and

Ag0.5Pb1.75GeS3Se crystals, J Mater Sci: Mater Electron (2016) 27:9589-9592.

69- M.M. Abutalib, Mohd. Shkir, I.S. Yahia, S. AlFaify, A.M. El-Naggar, V. Ganesh,

Thickness dependent optical dispersion and nonlinear optical properties of

nanocrystalline fluoresce in dye thin films for optoelectronic applications, Optik

127 (2016) 6601–6609.

70- I.S. Yahia, V. Ganesh, M.Shkir, S. AlFaify, H.Y. Zahran, H. Algarni, M.M.

Abutalib, Attieh A. Al-Ghamdi, A.M. El-Naggar, A.A. AlBassam, An

investigation on linear and non-linear optical constants of nano-spherical CuPc

thin films for optoelectronic applications, PhysicaB496(2016)9–14.

71- A. El-Bey, T. El Bahraoui, M. Taibi, A. Belayachi, M. Abd-Lefdil, A.M. El-

Naggar, A.A. Albassam, A.O. Fedorchuk, G. Lakshminarayana, P. Czaja, I.V.

Kityk, Third order nonlinear optical features of Bi2Fe4O9 multiferroic near

antiferromagnetic phase transitions, Journal of Alloys and Compounds 684 (2016)

412-418.

72- T. ElBahraoui, T. Slimani Tlemçani, M. Taibi, H . Zaarour, A. ElBeya, A.

Belayachi, A. TiburcioSilver, G. Schmerber, A.M. El-Naggar, A.A. Albassam, G.

Lakshminarayana, A.Dinia, M. Abd-Lefdil, Characterization of multiferroic Bi1-

13

xEuxFeO3 powders prepared by sol-gel method, Materials Letters182(2016)151–

154.

73- G. Lakshminarayana, Kawa M. Kaky, J. Jedryka, A.M. El-Naggar, A.A.

Albassam, G. Myronchuk, M.A.Mahdi, Laser induced elastooptics in novel Bi2O3,

and Pr2O doped tellurite rich glasses, Materials Letters183(2016)322–324.

74- I.S. Yahia, AsimJilani, M. M.Abutalib, S.AlFaify, M.Shkir, M. Sh.Abdel-wahab,

AttiehA. Al-Ghamdi, A.M. El-Naggar, A study on linear and non-linear optical

constants of Rhodamine B thin film deposited on FTO glass, Physica B 490 (2016)

25–30.

75- M. Piasecki, G.L. Myronchuk, O.V.Zamurueva, O.Y. Khyzhun,O.V. Parasyuk,

A.O. Fedorchuk, A. Albassam, A. M. El-Naggar, I.V. Kityk, Huge operation by

energy gap of novel narrow band gap Tl1−xIn1−xBxSe2 (B=Si, Ge): DFT, x-ray

emission and photoconductivity studies, Mater. Res. Express 3 (2016) 025902.

76- I. S. Yahia, S. Alfaify, Asim Jilani, M. Sh. Abdel‑wahab, Attieh A. Al‑Ghamdi,

M. M. Abutalib, A. Al‑Bassam, A. M. El‑Naggar, Non‑linear optics of nano‑scale

pentacene thin film, Appl. Phys. B (2016) 122:191.

77- O. V. Parasyuk, V. V. Pavlyuk, O. Y. Khyzhun, V. R. Kozer, G. L. Myronchuk, V.

P. Sachanyuk, G. S. Dmytriv, A. Krymus, I. V. Kityk, A. M. El-Naggar, A. A.

Albassam, M. Piasecki, Synthesis and structure of novel Ag2Ga2SiSe crystals:

promising materials for dynamic holographic image recording, RSC Adv. 6 (2016)

90958–90966.

78- A.M. El-Naggar, A.A. AlBassam, K. Oźga, J. Jędryka, M. Szota, G. Myronchuk,

Photoinduced Operation by Absorption of the Chalcogenide Nanocrystallite

Containing Solar Cells, Arch. Metall. Mater., 61:4 (2016)1953–1956

79- H.A. Albrithen, A.M. El-Naggar, K. Ozga, H. Alshahrani, A. Alanazi , E. Alfaifi

, J. Labis, A. Alyamani, A. Albadri, M.H. Alkahtani, Z.A. Alahmed, J. Jedryka,

A.O. Fedorchuk, Giant increase of optical transparency for Zn-rich CaxZn1-xO on

Al2O3 (0 0 0 1) grown by pulsed laser deposition, Optical Materials 52(2016) 1-5.

80- Javed Iqbal, I.S Yahia, H.Y Zahran, S AlFaify, A.A AlBassam, A.M El-Naggar,

Linear and non-linear optics of nano-scale 2′,7′dichloro-fluorescein/FTO optical

system: Bandgap and dielectric analysis, optical materials 62(2016) 527-533.

81- K.J. Plucinski, A.M. El-Naggar, N.S. AlZayed, A.A. Albassam , A. O. Fedorchuk

, D.Kulwas, I.V.Kityk, Laser stimulated changes of the effective energy gap in

chalcogenide CuInS2 photovoltaic films, Materials Science in Semiconductor

Processing 38(2015)184–187.

14

82- A.Aloufy, J.Ebothé, N.Dumelié, I.Chaki, M.Abd-Lefdil, N.S. AlZayed, A.M. El-

Naggar, A.A. Albassam, I.V.Kityk, Optically stimulated optical effects in the

ZnO:Tm nanorods, PhysicaE73(2015)96–99.

83- I.V. Kityk, N.S.AlZayed, KeiKobayashi, XiaomeiChen, Munetaka Oyama, A.M.

El-Naggar, A.A. Albassam, Influence of Al-doped ZnO and Ga-doped ZnO

substrates on third harmonic generation of gold nanoparticles, Physica E

71(2015)91–95.

84- K. Plucinski, A. M. El-Naggar, A. A. Albassam, A. O. Fedorchuk, N. S. AlZayed,

A. Krymus, I. V. Kityk, G. Myronchuk, Laser operation by photovoltaic features

of kesterite Cu2ZnSnSexS42x crystalline films, J Mater Sci: Mater Electron

(2015) 26:5259–5262.

85- G.L. MYRONCHUK, O.V. ZAMURUEVA, K. OZGA, M. SZOTA, A.M. EL-

NAGGAR, N.S. ALZAYED, L.V. PISKACH, O.V. PARASYUK, A.A.

ALBASSAM, A.O. FEDORCHUK, I.V. KITYK, PHOTOINDUCED OPTICAL

PROPERTIES OF Tl1-xIn1-xSixSe2 SINGLE CRYSTALS, Arch. Metall. Mater.,

60:2 (2015)1051–1055.

86- T. El Bahraoui, M. Taibi, A. M. El-Naggar, T. Slimani Tlemcani, A. A. Albassam,

M. Abd-Lefdil, I. V. Kityk, N. S. AlZayed, A. O. Fedorchuk, Multiferroic Eu

doped BiFeO3 microparticle polymer composites as materials for laser induced

gratings, J Mater Sci: Mater Electron 26:12(2015) 9949–9954.

87- R. Czerwieniec, A. M. El-Naggar, A. A. Albassam, I. V. Kityk, M. Graf, H.

Yersin, Electric-field induced nonlinear optical materials based on a bipolar

copper (I) complex embedded in polymer matrices, J Mater Sci: Mater Electron

(2015) 26:8394–8397.

88- A. M. EL-NAGGAR, A. A. ALBASSAM, K. OźGA, M. SZOTA, I.V. KITYK,

UV-INDUCED ANISOTROPY IN CdBr2-CdBr2: Cu NANOSTRUCTURES,

Arch. Metall. Mater., 60:3 (2015)2029–2032.

89- O.V. ZAMURUEVA, G.L. MYRONCHUK, K. OŹGA, M. SZOTA, A.M. EL-

NAGGAR, A.A. ALBASSAM, O.V. PARASYUK, L.V. PISKACH, I.V. KITYK,

TRANSPORT PHENOMENA IN SINGLE CRYSTALS Tl1-xIn1-xGexSe2

(x=0.1, 0.2), Arch. Metall. Mater., 60:3 (2015)2025–2028.

90- M. M. Abd El-Raheem, M. H. El Bogami, Ateyyah M. Al-Baradi, S. A. Amin,

A. M. El-Naggar, A. A. Albassam, Optical Properties of RF Sputtered

Samarium Oxide Thin Films, Open Access Library Journal 2 (2015) e2065.

91- N. S. Alzayed, S. Soltan, M. Shahabuddin, A. El-Naggar, I. V. Kityk, S. E. Qaid,

Jafar M. Parakkandy, M. S. Shah, Niyaz Ahmad Madhar ” Growth of Stable

15

Bilayer CrO2/MgB2 Films by Pulsed Laser Deposition “J Supercond Nov Magn

(2015) 28:387–390.

92- N.S. AlZayed, I.V. Kityk, S. Soltan, A.M. El-Naggar, M. Shahabuddin, “Laser

induced infrared spectral shift of the MgB2:Cr superconductor films”

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 136

(2015) 1698–1701.

93- N.S. AlZayed, I.V.Kityk, K.Ozga, A.O.Fedorchuk, S.Soltan, M.Shahabuddin, A.

El-Naggar, “Role of MgB2/Cr2O3 nano-interfaces in photoinduced nonlinear

optical treatment of the MgB2 superconducting films” Physica E 63(2014)180–

185.

94- O.V. Zamurueva, G.L. Myronchuk, G. Lakshminarayana, O.V. Parasyuk, L.V.

Piskach, A.O. Fedorchuk, N.S. AlZayed, A.M. El-Naggar, I.V. Kityk,

“Structural and optical features of novel Tl1-xIn1-xGexSe2 chalcogenide crystals”

Optical Materials 37 (2014) 614–620.

95- G. L. Myronchuk , O. V. Zamurueva , O. V. Parasyuk ,L. V. Piskach , A. O.

Fedorchuk , N. S. AlZayed , A. M. El-Naggar , J. Ebothe , M. Lis , I. V. Kityk

” Structural and optical properties of novel optoelectronic Tl1-xIn1-xSixSe2 single

crystals” J Mater Sci: Mater Electron (2014) 25:3226–3232.

96- A. M. El-Naggar, S.Y. El-Zaiat, M. I. Youssif, F. A. Alsaud, “Linear Optical

Properties of (Cu2O)x (Al2O3)0.05-x (B2O3)0.20 (PbO)0.75 Glasses in the

Spectral Range 200 - 3300 nm “,Optical Materials 35 (2013) 2685–2690.

97- I. V. Kityk, S. Soltan, N. S. AlZayed, R. Viennois, C. Reibel, M. Shahabuddin,

A. M. El-Naggar, Salem A. S. Qaid , M. S. Shah, “Photoinduced operation and

diagnostic of superconductivity in the MgB2 films “J Mater Sci: Mater Electron

(2013) 24:4585–4589.

98- -Assem M. Bakry, and A. M. El-Naggar, “Correlation between phosphorus

concentration and opto-electrical properties of doped a-Si:H films” Optik 124

(2013) 6501– 6505

99- I.V. Kityk, A.O.Fedorchuk, P.Rakus, J.Ebothe, N.AlZayed, S.A.N.Alqarni,

A.M. El-Naggar, O.V.Parasyuk, “Photoinduced anisotropy in th

eAgGaGe3Se8:Cu chalcogenide crystals“ , Materials letters 107(2013) 218-220.

100- I.V. Kityk, N. AlZayed, P. Rakus, A.A. AlOtaibe, A.M. El-Naggar, O.V.

Parasyuk, “Laser-induced piezoelectric effects in chalcogenide crystals

“,Physica B 423 (2013) 60–63.

101- E. Al-Harbi, A.Wojciechowski, N.AlZayed, O.V. Parasyuk, E.Gondek&,

P.Armatys, A. M. El-Naggar, I.V.Kityk, P.Karasinski,” IR laser induced

16

spectral kinetics of AgGaGe3Se8 : Cu chalcogenide crystals” Spectrochimica

Acta part A: Molecular and Biomolecular spectroscopy 111(2013) 142-149.

102- E. Al-Harbi , M. A. Aziz , M. Oyama, A. M. El-Naggar, N. AlZayed, A.

Wojciechowski, I. V. Kityk, “Gold nanoparticles deposited on fluorine-doped tin

oxide substrates as materials for laser operated optoelectronic devices” J Mater

Sci: Mater Electron (2013) 24:2422–2425.

103- A. M. El-Naggar, Dependence of the optical and electrical properties of

chemically annealed vacuum-deposited a-Si:H films on the deposition rate”,

Mod. Phys. Lett. B, 27, 1350015 (2013).

104- A. M. El-Naggar,” Effect of thickness on the structural and optical

properties of GaN films grown on Si(111)”, J Mater Sci: Mater Electron (2012)

23:972–976.

105- M. Reben, J. Wasylak, N. S. AlZayed, A. M. El-Naggar , M. G. Brik,

I. V. Kityk, “Er–Pr tellurite glasses as promising materials for white light

emitting diodes”, J Mater Sci: Mater Electron (2012) 23:631–634.

106- I.V.Kityk , N. S. AlZayed, A.M. El-Naggar, M.Reben, J.Wasylak,

G.Lakshminarayana, Ali H. Reshak, M.G.Brik, “Er-Pr doped tellurite glass

nanocomposites for white light emitting diodes” , Optics Communications 285

(2012) 655–658.

107- W. Kuznik, M.G. Brik, I. Cie´slik, A. Majchrowski, L. Jaroszewicz, N.S.

AlZayed, A.M. El-Naggar, I. Sildos, S. Lange, V. Kiisk, I.V. Kityk, “Changes

of fluorescent spectral features after successive rare earth doping of gadolinium

oxide powders “, Journal of Alloys and Compounds 511 (2012) 221.

108- A.M. El-Naggar, N.S. Alzayed , A. Majchrowski , L. Jaroszewicz , M.G.

Brik , W. Kuznik , I.V. Kityk, “Preparation and fluorescence properties of

La2CaB10O19 crystals doped with Pr3+ ions”, Journal of Crystal Growth 334

(2011) 122

109- A. M. El-Naggar, “Optical and structural characterization of GaN thin

films at different N to Ga flux ratios”, Journal of Applied Physics 109 (2011)

023508

110- A.M.El-naggar, and A.M.Aldhafiri "Influence of atomic hydrogen

annealing on the optical properties of vacuum-deposited a-Si:H films" Optics &

Laser Technology, 41, 295(2009)

111- A.M. El-naggar,S.Y.El-Zaiat, and Saleh M.Hassam " Optical

parameters of epitaxial GaN thin film on Si substrate from the reflection

spectrum" Optics & Laser Technology, 41, 334 (2009).

17

112- A.M. El-Naggar “Influence of thickness on the optical properties of

vacuum deposited a- Si:H films” optics& Laser technology 33, 237(2001).

113- M.Khashan, A.El-Naggar, “A simple method of measuring and applying

the dispersion of thin films”,Optics Communications 187(2001)39-47.

114- M.Khashan, A.El-Naggar, “A new method of determining the optical

constants of a thin film from the reflectance and transmittance interferograms in

a wide spectral range: 3- 0.2Mm”, Optics communications 178(2000)123-132.

115- M.Khashan, A.El-Naggar, “A new method of finding the optical

constants of a solid from the reflectance and transmittance spectrograms of its

slab", Optics Communications 174(2000)445-453.

116- Assem Bakry, Ahmed El-Naggar, “ Dopping Effects on the Optical

properties of Evaporated A-Si:H films”, Thin Solid films 360(2000)293-297.

117- Ahmed El-Naggar and Assem Bakry, “Optical properties of Al-doped

a-Si:H films”, J.Phys.:Condens.Matter 11(1999)9619-9627.

118- A.M. Bakry and A.M. El-naggar, “Study of deep levels in Schottky/Cu

in Se2 single crystal devices by DLTS measurements”, journal of Material

Science: Materials inelectronics 7 (1996) 191-192.

119- MA. El-Sharkawy, M.Th. Khalil, A.N. Hosny, and A.M. El Naggar,“

Optimum Design Parameters of Silicon Solar cell under High concetrated

radiation :, Modeling, Simulation & control, A, AMSE press, Vol. 11. No. 4,

1987,P.10.

120- MA. El-Sharkawy, M.Th. Khalil, A.N. Hosny, and A.M. El Naggar,

“Computer Analysis of the Series resistance and operational temperature effect

on the performance of Silicon Solar cell at different concentrated radiation “,

Modeling, Simulation & control, A, AMSEpress, Vol. 11. No. 4, 1987, P.28.

B) Conferences

1. J. Labis, A. Alanazi, E. Alsalmani, H. Alshehrany , M. Almutairy, A. M. El-

naggar, Z. Alahmed, H. Albrithen , “Optical properties of PLD-grown thin-films

of Ba-ZnO, Ca-ZnO, and Sr-ZnO alloys” , accepted for oral presentation at the

IVC-19/ICN+T 2013/ICSS-15/ITFPC 2013/MIATEC 2013/CIP 2013/RSD

2013 Congress which will be held 9-13 September, 2013, in Paris, France.

2. Joselito LABIS, Anwar ALANAZI, Mahmoud HEZAM, Hamad ALBRITHEN,

Mansour ALHOSHAN, Ahmed M. EL-NAGGAR, Zeyad ALAHMED,

18

“Optimized Growth of Alloyed ZnO Nanostructures (Nanorods, Nanoworms,

Nanowalls, and Nanoflowers) by Pulsed Laser Deposition Technique”,

Accepted for Oral Presentation in ICMAT2013, Singapore on June 30-July5,

2013.

3. Hamad A. Albrithen, Zeyad A. Alahmed, Ahmed M. El-Naggar, Josilito P.

Labis “Investigating Strontium Zinc Oxide Alloys Grown by Pulsed Laser

Deposition” accepted in MRS Spring Meeting 2013.

4. Alsalmani, Essa S.; Alanazi, Anwar Qasem; Labis, Joselito

Puzon; Elnaggar, Ahmed M.; Alahmed, Zeyad Ahmed; Albrithen, Hamad

Abdulaziz, “Investigating Barium Zinc Oxide Alloys Grown by Pulsed Laser

Deposition” 17th European Molecular Beam Epitaxy conference, 2013.

5. Amanullah F.M., A.S. Al-Shammari, A.M. Elnaggar, W.M. Al-Ayashi , A.M.

Al-Dhafiri, " Influence of chlorine doping on the Optical & Electrical Properties

of CdS Thin Films " 34th IEEE photovoltaic specialists conference, Philadilphia,

USA, (june 2009).

6. A.M.El-naggar, and A.M.Al-Dhafiri" Effect of Chemical annealing on the

Optical properties of hydrogenated amorphous silicon films" 33rd IEEE

photovoltaic specialists conference, California, USA, (May 2008).

7. A.M. El-Naggar, S. Y. El-Zaiat, Saleh M. Hassan, "A method of determining

the optical Properties of a thin film on an absorbing substrate from the reflection

spectrum”, International Conference on Optical and Optoelectronic Properties

of Materials and Applications, Darwin, Australia, (July, 2006).

8. K.Averett, S. Maimom, X.Wu, M.Koch, Ahmed El-Naggar, Gary

Wicks,"Device and Materials Characteristics of MBE-Grown InAs Bipolar

Transistor", Electronic Material Conference, California, USA, (September

2002).

9. K.Averett, S. Maimom, X.Wu, M.Koch, Ahmed El- Naggar, Gary

Wicks,"Molecular Beam Epitaxial Growth of InAs Bipolar Transistor",

Electronic Material Conference, California, USA, (June 2002).