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SHORT COMMUNICATIONS Self-consistent electronic structure of a metal surface G.P. Alldredge Li(OOl) Self-consistent cluster calculations for sulfur plus n nickel atoms uSlng the single site orbital method F. Averill, B. Bennett, J.T. Waber Cluster model calculations for the molecularly adsorbed NO on Ni I.P. Batra Transitions from surface states In angular resolved photoemission from Cu(lll) P.O. Gartland Chemisorption of hydrogen on simple metals O. Gunnarsson, H. Hjelmberg and B.I. Lundqvist Recent developments in infrared reflection absorption spectroscopy K. Horn Why model supported catalysts ? R.W. Joyner Metal monolayer formation In electrochemical systems D.M. Kolb Morphological changes by surface self-diffusion : determination of surface diffusion coefficients (clean and adsorbed surface) by tip blunting and by grain boundary groove profile on a wire Vu Thien Binh Dynamic rearrangement of nickel atoms In a large cluster using the Frohlich-Raimes method J.T. Waber and R. Yu 621

B. J.T. - link.springer.com978-1-4684-2796-7/1.pdf · H. ALBERS, Van't Hoff Laboratory, Padualaan, 8, De Uithof - Utrecht Netherlands G. ALLAN, I.S.E.N., Laboratoire Physique des

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SHORT COMMUNICATIONS

Self-consistent electronic structure of a metal surface G.P. Alldredge

Li(OOl)

Self-consistent cluster calculations for sulfur plus n nickel atoms uSlng the single site orbital method

F. Averill, B. Bennett, J.T. Waber

Cluster model calculations for the molecularly adsorbed NO on Ni I.P. Batra

Transitions from surface states In angular resolved photoemission from Cu(lll)

P.O. Gartland

Chemisorption of hydrogen on simple metals O. Gunnarsson, H. Hjelmberg and B.I. Lundqvist

Recent developments in infrared reflection absorption spectroscopy K. Horn

Why model supported catalysts ? R.W. Joyner

Metal monolayer formation In electrochemical systems D.M. Kolb

Morphological changes by surface self-diffusion : determination of surface diffusion coefficients (clean and adsorbed surface) by tip blunting and by grain boundary groove profile on a wire

Vu Thien Binh

Dynamic rearrangement of nickel atoms In a large cluster using the Frohlich-Raimes method

J.T. Waber and R. Yu

621

LIST OF PARTICIPANTS

I. ABBATI, Istituto di Fisica, Politecnico di Milano, Piazza L. di Vinci, 32 - 20133 Milano - Italy

H. ALBERS, Van't Hoff Laboratory, Padualaan, 8, De Uithof - Utrecht Netherlands

G. ALLAN, I.S.E.N., Laboratoire Physique des Solides, Rue Fr.Baes, 3 - 59046 Lille - France

G.P. ALLDREDGE, University of Texas, Physic Department RLM 5.208, Austin-Texas 78712 - U.S.A.

M. ALNOT, Centre de Cinetique Physique et Chimique du C.N.R.S., Route d' Andoeuvre - Villers-Nancy - France

S. ANDERSSON, Chalmers University of Technology, Department of Physics, Fack - 40220 Goteborg 5 - Sweden

J.-M. ANDRE, Facultes Universitaires de Namur, Groupe Chimie-Physi-que, Rue de Bruxelles, 61 - 5000 Namur - Belgium

C. BACKX, Potgieterlaan, 67 - Hazersvonde - Netherlands M. BARBER, UMIST, P.O. Box 88, Manchester - M60 1DQ - England I. BATRA, IBM Research Laboratory, K33/281, San Jose - California

95193 - U.S.A. P. BILOEN, Koninklijk/Shell-Laboratory, Badhuisweg, 3 - Amsterdam­

Noord - Netherlands J.M. BLOCK, Fritz-Haber Institut der Max Planck Gesellschaft,

Faradayweg 4-6 - 1 Berlin 33 / Dahlem - Germany J. B.NAGY, Facultes Universitaires de Namur, Groupe de Chimie­

Physique, Rue de Bruxelles, 61 - 5000 Namur - Belgium G.C. BOND, Brunel University, Department of Chemical engineering,

Kingston Lane, Uxbridge - Middlesex UB8 3PH - England M. BOUDART, Stanford University, Stauffer III, Department of Chemi­

cal Engineering, Stanford - California 94305 - U.S.A. R. BRAKO, Institute "Ruder Boskovic", P.O.B. 1016 - 41001 Zagreb­

Yugoslavia C.R. BRUNDLE, I.B.M. Research Laboratory, San Jose - California

95114 - U.S.A. A. CAMPERO, University Autonoma Metropolitana, Department of Chemis­

try, Avenue San Pablo, Azcapotzalco - Mexico 16, D.F. -Mexico

T.W. CAPEHART, Cornell University, Clark Hall, Physics Department, Ithaca - New York 14850 - U.S.A.

G. CASALONE, Istituto di Chimica Fisica, University di Milano -20133 Milano - Italy

D. COCKE - Fritz-Haber Institut der Max-Planck Gesellschaft, Fara­dayweg 4-6 - 1 Berlin 33 / Dahlem - Germany

I. DALLA LANA, University of Alberta, Department of Chemical engi­neering, Edmonton - Alberta - Canada

A. DATTA, Imp. College of Science and Technology, Department of Mathematics, Exhibition Road - London SW7 2RH - England

C. DEFOSSE, Place Croix du Sud, 1 - 1348 Louvain-la-Neuve - Belgium K. DENIS SEN , N.V. Philips, Department Elcoma H.O.C., Building BL -

Eindhoven - Netherlands

623

624 PARTICIPANTS

E. DEROUANE, Facultes Universitaires de Namur, Groupe de Chimie­Physique, Rue de Bruxelles, 61 - 5000 Namur - Belgium

B. DJAFARI ROUHANI, C.E.N. Saclay, Section Etudes interactions gaz­solides, B.P. 2 - Gif-sur-Yvette 91190 - France

M. DOMKE, Fritz-Haber Institut der Max-Planck Gesellschaft, Fara­dayweg 4-6 - 1 Berlin 33 - Germany

P. ECHENIQUE, Cambridge University, Cavendish Laboratory, Madingley­road - Cambridge CB3-0HE - England

T. ENGEL, Physikalisch-Chemisches Institut der Universitat, Sophien­straass 11 - 8 Muchen 2 - Germany

H. ENGELHARDT, Technische Universitat Mlinchen, Physik Department E20 - 8046 Garahing - Germany

w. ERLEY, Institut fUr Grenzflachenforschung und Vakuumphysik der Kernforschungsanlage JUlich GmbH - 517 JUlich 1 - Germany

G. FERRARIS, Montedison, Istituto Ricerche G.Donegani, Via del Lavaro 4 - 28100 Novara - Italy

L. FIERMANS, University of Gent, Laboratorium voor Kristallografic Krijgslaan, 271 - 9000 Gent - Belgium

J. FIGAR, Battelle, Route de Drize, 7 - 1227 Carouge/Geneve -Switzerland

A. FRENNET, Ecole Royale Militaire, Laboratoire de Catalyse FNRS, 30 Avenue Renaissance - 1040 Bruxelles - Belgium

J.J. FRIPIAT, C.R.S.O.C.I. - CNRS, Rue de la Ferrolerie - 45045 Orleans - France

J. FRIPIAT, Facultes Universitaires de Namur, Groupe de Chimie­Physique, rue de Bruxelles, 61 - 5000 Namur - Belgium

J.W. GADZUK, N.B.S., Surface and Electron Physic Division, Department of Physic Division, I.B.S., Washington - D.C. 20234 - U.S.A.

P.O. GARTLAND, Norwegian Institute of Technology, Department of Physics - 7034 Trondheim - Norway

J.P. GASPART, I.L.L., B.P. 156 - Grenoble - France J.W. GEUS, University of Utrecht, Division of Inorganic Chemistry,

Croesestraat, 77A - Utrecht - Netherlands J. GOODWIN, University of Michigan, Department of Chemical Enginee­

ring, Ann Arbor - Michigan 48104 - U.S.A. T.B. GRIMLEY, University of Liverpool, Donnan Laboratories, P.O.

Box 147 - Liverpool L69 3BX - England M. GRUNZE, Universitat MUnchen, Physikalisch-Chemisches Institut

Sophienstraass 11 - 8 Mlinchen 2 - Germany o. GUNNARSSON, Institute of Theoretical Studies, Fack - 402 20

Goteborg - Sweden K. HANSEL, Technische Universitat, Lehrstuhl fur Theoretische Chemie,

Arcisstraass 21 - 8 Mlinchen 2 - Germany N. HERBST, National Bureau of Standards, B-214 Metrology Building -

Washington, D.C. 20234 - U.S.A. P. HERTEL, Institut fUr Theoretische Physik, Jungiusstraass, 9 -

2 Hamburg 36 - Germany B. HOLLAND, University of Warwick, Department of Physics - Coventry

cv4 7AL - England

PARTICIPANTS

K. HORN, Queen Mary College, Department of Chemistry, Mile end Road - London E1 4N5 - England

R. RUBIN, Rue du Chene, 8 - 4051 Plainevaux - Belgium

625

P.G. JAMES, BP Research Centre, Chertsey Road, Sunburry on Thames -Middlesex - England

D. JEWSBURY, University of Leicester, University Road - Leicester LE1 IRH - England

M. JONSON, Institute of Theoretical Studies, Fack - 40220 Goteborg 5 Sweden

Y. JUGNET, Laboratoire de Chimie Nucleaire, Boulevard du 11 Novem­re 1918 - 69621 Villeurbanne - France

J. KATZER, University of Delaware, Department of Chemical Engeneering Newaek - Delaware 19111 - U.S.A.

N. KAUFHERR, Institut de Recherche sur la Catalyse, Boulevard du 11 Novembre 1918, 39 - 69621 Villeurbanne - France

P. KINET, Universite Libre de Bruxelles, Faculte des Sciences Ap­pliquees, 50 , Avenue F.D. Roosevelt - 1050 Bruxelles -Belgium

D. KOLB, Fritz-Haber Institut der Max-Planck Gesellschaft, Fara­dayweg 4-6 - 1 Berlin 33 - Germnay

N. LANG, I.B.M., T.J. Watson Research Centre, P.O. 218, Yorktown Heights - New York 10598 - U.S.A.

A. LECLOUX, C/O Solvay & Cie., 310 Rue de Ransbeek - 1120 Bruxelles­Belgium

G. L'HOMME, Institut de Chimie Industrielle, Laboratoire de Genie Chimique, Rue A. Stewart 2 - 4000 Liege - Belgium

A. LUCAS, Facultes Universitaires de Namur, Groupe de Chimie Physi­que, Rue de Bruxelles, 61 - 5000 Namur - Belgium

S. MALO, Instituto Mexicano del Petroleo, Av. Cien Metros 500 Apdo. Pos. 14-805 - Mexico 14 - Mexico

P. MATSCHKE, Max-Planck Institut Plasmaphysik und Forschungsgelande 8046 Garching Munich - Germany

M. MESTDAGH, Universite Catholique de Louvain, Laboratoire Chimie­Physique Minerale, Place Croix du Sud 1, 1348 Louvain-la­Neuve - Belgium

J.P. MUSCAT, I.S.E.N., Laboratoire de Physique des Solides, Rue F. Baes, 3 - 59046 Lille - France

C. NACCACHE, Institut de Recherche sur la Catalyse, 39, Boulevard du 11 Novembre 1918 - 69626 Villeurbanne - France

C. NIJBERG, Chalmers University of Technology, Department of Physics, Fack - 402 20 Goteborg - Sweden

R. NIEMINEN, Helsinki University of Technology, Department of Technical Physics - 02150 Otaniemi - Finland

K. PEDERSEN, Haldor Topsoe A/S, P.O. Box 49 - 2860 S¢borg - Denmark J.P. PlRARD, Institut de Chimie Industrielle, Laboratoire du Genie

Chimique, Rue A. Stevart, 2 - 4000 - Liege - Belgium V. PONEC, Rijkuniversiteit Leiden, Gorlaeus Laboratories, P.B. 15 -

Leiden - Netherlands D. REINALDA, Gorlaevs Laboratory, Postbox 15 - Leiden - Netherlands

626 PARTICIPANTS

G. RHEAD, Ecole Nationale Superieure de Chimie de Paris, Laboratoire de Metallurgie et Physico-Chimie des Surfaces, 11, Rue Paul et Marie Curie - 75231 - Paris Cedex 05 - France

T.N. RHODIN, Cornell University, School of Applied and Engeneering Physics, College of Engeneering, Ithaca - New York 14850 -U.S.A.

M.A. ROSALES MEDINA, University of Liverpool, Donnan Laboratories, P.O. Box 147 - Liverpool L69 3BX - England

L. SALEM, Universite de Paris Sud, Laboratoire de Chimie Theorique, 91405 Orsay - France

K. SCHWAHA, Physikalisch-Chemisches Institut, Innrain 52A - A-6020 Innsbruck - Austria

K. SCHWARZ, Technische und Elektrochemische Institut, Technische Hochschule Wien, Getreidemarkt, 9 - 1060 Wien - Austria

J.M. STREYDIO, PCES, 1, Place Croix du Sud - 1348 Louvain-Ia-Neuve -Belgium

O. TAPIA, Quantum Chemistry Group, Box 518 - 75120 Uppsala - Sweden M. TESCARI, Universita di Milano, Istituto di Chimica Fisica -

20 133 Milano - Italy THAN MINH DUC, Institut de Physique Nucleaire, Laboratoire de Chimie

Nucleaire, 43, Boulevard du 11 Novembre 1918 - 69621 Villeur­banne - France

VAN DER AVOIRD, University of Nijmegen, Institute of Theoretical Chemistry, Toernooiveld - Nijmegen - Netherlands

J. VAN DER MEIJDEN, University of Utrecht, Division of Inorganic Chemistry, Croesestraat, 77A - Utrecht - Netherlands

J.H.C. VAN HOOF, Eindhoven University of Technology, Department of Inorganic Chemistry - Eindhoven - Netherlands

W. VAN RIEL, Universiteit Instellingen Antwerpen, Department of Natuurkunde, Universiteit Plein 1 - 2610 Wilrijk - Belgium

R. VAN SANTEN, Koninklijk Schell Laboratorium, Badhuisweg, 3 -Amsterdam - Netherlands

J. VEDRINE, CNRS, Institut de Recherche sur la Catalyse, 39, Boule­vard du 11 Novembre 1918, 69100 Villeurbanne - France

B. VU THIEN, Departement de Physique des Materiaux, 43, Boulevard du 11 Novembre 1918 - 69621 Villeurbanne - France

D. VERCAUTEREN, Facultes Universitaires de Namur, Groupe de Chimie­Physique, 61, Rue de Bruxelles - 5000 Namur - Belgium

J. WABER, Northwestern University, Department of Materials Science -Evanston, IL 60201 - U.S.A.

C.A. WARD, University of Missouri, Materials Research, Rolla -Missouri 65401 - U.S.A.

J. WEAVER, University of Wisconsin-Madison, Physics Science Labora­tory, Stoughton - Wisconsin 53589 - U.S.A.

S.P. WEEKS, University of Pennsylvania, Department of Physics, Philadelphia - Pennsylvania 19175 - U.S.A.

B. WOOD, 333 Ravenswood Avenue, Menlo Park - California - U.S.A. P. WOOD, University of Bradford, Department of Chemistry - Brad­

ford Yorkshire BD7 1DP - England

SUBJECT INDEX

Adhesion, 250 Adsorption, 103,104,237,238,242,

244,246,272,324 bridge, 51,53,75 complexes, 540 energetics, 17 heat of, 18,556,557 interactions, 21,166,205,425 isotherm, 249,251,252 isosteric heat of, 20 kinetics, 17,196,198,208 potential, 81 physical, 550

Aerosol, 249 Alloys,

binary, 259,262 Cu - Ni,575 diffusion in, 534 effect of alloying, 519,533, 597,598 electronic structure of, 592 594 electronic theory of, 590 history of catalysis, 590 ideal, 260,261 Ni - Al, 579,580 ordered, 573 regular, 259,260,261,571 surface composition, 570, 574 thermal desorption on, 588

Anisotropy, 95 crystal, 229,230 magnetic, 512 work function,55,56,67,97, 98,226,236

Appearance potential spectrosco­py (APS), 3, 173

Auger Electron spectroscopy (AES) 3,173,235,251,254,258,383 ff, 373,401,407 wvv transitions, 409 WXV transitions, 409 WXy transitions, 409

Band bulk, 63,75 d, 45,47,49,54,58,59,63,64, 65,67,68,232 edge, 53,91 energy, 91 gap, 75,77,95 narrowing, 91 one-dimensional, 63 s, 47,65,67,75 structure, 45,55,65,75 valence, 45,47,50 width, 46,50,67

Bloch states, 114,126,131 theorem, 126 wave representation, 309

Bohr magneton, 505 Bond broken, 229,230

covalent, 145 Born-Mayer approximation, 50 Brillouin zone, 77 Catalyst, 229

supported metal, 238,505,523, 526 alloy, 590,597

Catalytic activity, 537,538,555, reaction, 238 oxidation, 567,568,606_ selectivitY,537,539,556,559, 562,606

Charge density, 232 neutrality, 57 oscillations, 45,54,57,58,67

627

628

Charge transfer, 14,67,145,155 Cluster, 238,240

calculations, 38,40,42,115, 148 of atoms, 101

CNDO, 39,150 Colloidal science, 526 Conducti vi ty, 4 6 Configuration interaction, 144 Coordination

average, 530 number, 50,57 surface, 530,531,532

Correlation, 81,82,83 conduction electrons, 555, 558 energy, 39,42,150 density of states, 555 exchange, 83,89 heat of adsorption, 556,557 heat of formation of M-O bond, 555 parameters, 555 Pauling d - character, 555, 617 work function, 555

Coulomb energy, 54,59,81,86 interaction, 83 term, 54,57

Crystal anisotropy, 229,230 growth, 236 cleavage, 3 field, 48,50,63 stabili ty, 50 single, 546,547,548,551

Cubium model, 155 d - band, 45,47,49,54,58,59,63,

64,65,67,68,232 electron, 50,57,75,232,599, 618 level, 55,56 orbital, 75,77 wave function, 46 width, 46,50,67 Pauling's character, 55;,617

Dangling bonds, 58,59,67

INDEX

Debye Waller factor, 280 temperature, 321

Dehydrocyclization, 528,529 Dehydrogenation, 559,608 Defects, 49,51,54,229,235,237

adatom, 81,101,105,106,108 array, 234 cleavage steps, 307 dynamic, 243 extended, 49 kink, 230,231,236,237,245 point, 238 step, 59,230,231,234,236, 237,238,240,241,245,246,248 249 surface, 58,59 terrace, 230,231,234,235,237, 240,249 TLK model, 230,235,238,245 transition metal, 232 vacancy, 59,234,239,241,253 vibration, 240,241,242

Density distribution, 88 gradient, 82,83 matrix, 37, 144 , 149, 156 number, 86 of states, 36,46,49,54,58, 62,64,65,70,77,91,107,119, 132,137,166,175 electron, 81,84,86,93,101, 105 functionnal approach of, 38 41,81,88,92,98,101,108,109 local, 83,84,88,98,164,166, 203 oscillations, 87 packing, 102 surface, 229,230

Diffraction, conditions (LEED), 302 patterns, 271,314,325 spots, 233,248 double, 233 optical, 235

Diffusion, 238,240,243,244,248

INDEX

Dipole, layer, 14,57,58,60,67 moment, 94,95,106,108,237, 241 surface, 55,56,60

Desorption, electron, 18 field, 497 thermal, 16,18,196,585 on alloys, 588 theory of, 586

Dislocation, 235,238 Edge band, 91 Electron,

d, 50,57,75,232,599,618 density, 81,84,86,93,101,105 function, 172 gas (LEED), 82,273,275 mean free path, 254 microscopy, 550

Entropy, configurational, 239 surface, 240,244,246,249

Epitaxy, 254 Equilibrium

shape, 245 topographical, 246,248

629

ESCA, 3, 173,341 ff, 389 ff, 406 ff E.S.R., 505 ff, 507, 508, 5110,

511, 540 Exchange reaction, 562,563,564,

602 Extended X-ray adsorption fine

structure (EXAFS), 352 Faceting, 236,237,247,248 Fermi

level, 46,55,60,65,84,101, 107 operator, 139, 141 surface, 48 wavelength, 89 scattering, 237

spectroscopy, 341 ff, 389 406 ff

ff, Thomas, 82,86,88,108

p(valence),46 s(valence),46,55,67,75

Embedding theory, 40,153,156,159 Energy

band, 91 binding, 105,106,108 cohesive, 46,50 correlation, 39,42,150 Coulomb, 54,59,81,86 analyzer, 488,489 conservation,275 density, 82,92 distribution, 346,488,491, 493,496,501 loss spectroscopy (ELS), 389 ff exchange, 81,82,83,89 Gibbs free, 243,495 kinetic, 81,82,83,88 one electron, 59,60 potential, 38 self, 81,84,86,273 surface, 58,86,94,96,229,236, 243,248,249 zeropoint, 88

Field ionization, 485, 495,496,500

Field emission energy distribution (FEED), 176,203,341 ff,343,348 microscopy, 237

Field ion microscopy, 235,241,242, 258

F.r.S. appearence potential in, 487,497,498,500

F.M.R.,511,512 Free electron model, 125,132,137,

141 Friedel

oscillations, 87,88 sum rule, 57,60,67

Gamma plot, 245,258 Grain boundary, 245 Green

function, 36,40,45,46,67, 140,231 function matrix, 120,124,149, 156,160 method, 59 operator, 37,50,61,119,140

630

Hartree Fock approximation, 38,42,82,139, 144,157 formalism, 275,311 potentlal, 56

HYdrogenation, 554,599,615 of acetylene, 559 of butadiene, 561 of ethylene, 559

HYdrogenolysis, 238,528,564,565, 601

Insertion reaction, 601 Interaction

Coulomb, 83 metal-adsorbate, 517 metal-electron donor or ac­ceptor, 518 metal-support, 520 pairwise, 239,231,246 s-d, 46,50,75,77

Ion bombardement, 3 neutralization spectroscopy (INS), 189 ff, 373,385 ff

LR., 514,540 Isomerization, 528,529 Jellium model, 41,86,125 Lattice, 291 ff

bcc, 65,66,67,68,69,99,230, 232,234 close-packed, 234 fcc, 65,68,99,230,231 ionic, 96,98 Bravais vector, 271,278 coincidence, 233 contraction, 232,233,234,237 effect, 88,90,99,101 expansion, 231,232,237 model, 95 parameter, 49 periodicity, 98 plane, 96,102 potential, 48 superposition, 295 reciprocal, 233,235,297

LCAO-MO,38,40,113,141,144,148, 156

LEED,6,11,98,202,205,212,231,241, 251,271,299 ff, 352,412 ff, 551

INDEX

applications, 299 ff damping length, 274 diffraction conditions,302 intensity analysis, 235, 308 ff, 317,331

Level

Local

layer studies, 277 patterns, 271,314,325 radial flux, 269 reflection, 234 theory, 235,267 ff

atomic, 49,52,59,67 core, 373 Fermi, 46,55,60,65,84,101, 107

state, 63,75 density, 83,84,88,98,164, 166,203

Magnetism, ferro, 511 anti ferro , 171 spin magnetic moment, 505 surface, 67 susceptibility, 46,65

Mass spectrometer quadrupole, 489 time of flight, 489

Mean free path

Metal electron, 254

alkali, 99,101,102,104,108 clean, 229 germanium, 233,234,414 gallium, 258 sellium, 41,86,125 lead, 241,253,254,257,258 liquid, 99 dispersion, 523 evaporation, 526 films, 547,548 powders, 585 oxides, 419 potassium, 255 simple, 86,88,96,98 supported, 523 surface area of, 527 surface of low index, 313 ff transition, 45,46,55,56,75 78,86,106,108,232,233,234, 255,258,412

INDEX

chalcogenate of, 417 copper, 231,235,236,237,246, 253,254 gold, 233,234,255,258,412 ion, 67,69,234,251 iridium, 233 molybdenum, 65,67,232,258 nickel, 67,72,104,235,251, 255,256,258 acetylene on, 432 ff CO, 361,465 ethylene, 477 N20, 411,428 (100)INS spectra, 425 oxydation of, 447 ff palladium, 65 platinum, 233,234,235,238 rhenium, 235 tantalum, 104 tins, 241 tungsten, 65,67,77,104,237, 241,242,258

Miller index, 230 Melting point, 234,240,241,242,243 MINDO, 150 Moment

method, 45,49 of the density of states,49, 54,75

Muffin-tin, 98,101 Oligomerization, 559 Optical properties, 46 Overcompleteness, 114,116,120,

125,134,159 Overlap matrix, 37,116,134,145 Overlayer, 233,255,256 Oxidation, 528,568,569,606 Photoelectron spectroscopy

ultraviolet (UPS), 183,197, 237,262,350 ff, 368,372, 389 ff,406 X-ray (XPS), 3,173,350 ff, 372,389 ff, 406

Photoemission, 65,75 spectroscopy, 341 ff angular resolution of, 368 many body effects in, 372

Poisoning, 550

631

Particle average size of, 523 characterization of, 527 size distribution, 523 size effects, 528,529,530, 531 growth, 524,552,553,555 topography, 560

Phonon spectrum, 242 soft, 234

Potential atomic, 48 chemical, 82,84 electrostatic, 85,87,92,94, 101 Fermi, 487 Hartree-Fock, 56 lattice, 48 local, 84 Morse,231 pairwise, 59,231,232 barrier, 87,98 energy, 60 pseudo, 96,98,99,101,108 self consistent, 98,101,108 single particle, 83 Slater exchange, 275,321

Promotors, 552 Radiotracers, 17 Reaction

consecutive, 538 insertion, 601 isomerization, 528,529 parallel, 539 rate, 538,540 rate measurements

Reactor

closed system, 540,542, 543 gas chromatography, 541 in molecular beams, 549 steady state, 540,542, 543

differential, 541 flow, 544 low pressure single crys­tal, 546,547,548 pulse micro, 545 tubular, 541

632

Reid's doublet, 282 Resonance, 107

conduction elec~ron, 507 integral, 57 tunneling, 485,491

Response linear, 94,108 static, 94

RHEED, 237 R.P.A., 274 Scattered wave, 268 Scattering

diffuse, 237 inelastic, 274 multiple, 232,274,275,276ff, 278,281,311 reverse, 286

Screening effect, 114,132 Self-consistent

field, 49,54,56,60,64,75,83, 98,275 potential, 98,101,108

Semi-empirical methods, 39,142,150 Shake off satellites in XPS,

398 ff Shake up

effects, 374,379 ff, 382 ff satellites in XPS, 388 ff

Secondary ion mass spectroscopy (S.l.M.S.), 459 ff CrxO;, 465 TiO~, 462

Specific heat, 46 Spin-orbit coupling, 75,77 States

binding, 196 bound, 63,75 charge-transfer, 145,155 d-, 46 density of, 36,46,49,58,70, 78,91,92,107,108,119,132,137, 492,555 extended, 64 ground, 81,84,95 localised, 63,75,78 polar, 145,155 quasi-particle, 91,92,111 resonant, 63,65,67,75 surface, 45,48,63,95,98,101, 125,130,137,490,495

INDEX

States volume, 125

Sticking probability, 198,238 Structure

electronic, 36,122,127,149 surface, 7,54,58,63,75,199, 212,218,229,291 ff, 295

Surface charge transfer on, 14 high index, 234 low index, 233,234 area, 551 characteristics, 550

BET, 550 broadening in X-ray dif­fraction, 550 electron microscopy, 458 low angle X-ray scatte­ring, 550 physical adsorption, 550

composition from chemisorption, 581 from electron spectrosco-py, 574,576 from ion scattering, 582 from SIMS, 582 from work-function measu­rement, 577 from X-ray spectroscopy, 574

compounds, 555 coordination, 530,531,532 coverage, 5,15,18 defects, 58,59 density, 229,230 diffusion, 240,241,250 dipole, 55,56,60 disorder, 307 energy, 58,86,94,96,229,236, 243,248,249 entropy, 240,244,246,249 Fermi, 48 layer, 232 melting, 239,240,258 of low index metal, 313 ff plane, 60,62,65,67,75 plasmons, 88 potential, 60 preparation, 3 reconstruction,199,231,233,

INDEX 633

reconstruction, 233 Valence, 234 relaxation energies, 374,428 band, 45,47,50 relaxation process, 57,63,231, p electrons, 46 232,237,261,244,248,372 ff, s electrons, 46,55,75 382 Vibrational properties, 240,241, segregation, 251,262,263 242 semi-infinite model, 270 of lattice, 280 state, 45,58,63,95,98,101,125, of surface, 26 130,137,490,495 Wannier function, 62,63 step, 59 Wave function structure, 7,54,58,63,75,199, atomic, 48,49,50,62 212,218,219,229,291 ff, 295 radial, 47 tension, 54,99,243 matching, 98 thermodynamics, 229,243,244 overlap, 48 vacancy, 59,234 Wetting, 250 valency, 234 Wigner-Seitz cell, 232 work, 236,243,250,253,260 W.K.B. tunneling probability,346 transition metal, 45,54,67 Work function, 14,84,90,96,101, vibrational properties of, 109,205,237,241,242,256,555 26 anisotropy, 55,56,67,95,97, vicinal, 230,231,234,238,246 98,226,236

Titration of supported metals, Wulff construction, 245,246,248, 517,527 250

Tight-Binding model, 37,40,45,46, Xa-SCF-SW, 38,39,41,42,150 49,75,98,146,15~, 160 X-ray spectrum, 46

T-matrix, 268,269,276,277,282,286 X-ray photoelectron spectroscopy Ultraviolet photoelectron spec- (XPS), 262,350 ff, 372, 389

troscopy (UPS), 237,350 ff, ff, 398, 406 368,372,389 ff, 406 Si, 414

U.V., 540 Zero-creep method, 252