CORRUGATION OF THE RECONSTRUCTED PT(100) SURFACE - A HELIUM DIFFRACTION STUDY

被引：21

作者：

GUO, XC

HOPKINSON, A

BRADLEY, JM

KING, DA

机构：

[1] Department of Chemistry, University of Cambridge, Cambridge, CB2 1EW, Lensfield Road

来源：

SURFACE SCIENCE | 1992年 / 278卷 / 03期

关键词：

D O I：

10.1016/0039-6028(92)90662-P

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Unusually intense helium beam diffraction features are observed along the [011BAR] direction from the Pt{100}-hex-R0.7-degrees surface. The diffraction beams are in close agreement with published LEED data, and analysis of the intensities at two different helium beam wavelengths (1.10 and 0.62 angstrom), based on a buckled two-dimensional structure of the surface obtained from LEED, provides energy-dependent maximum corrugation amplitudes of 0.50 and 0.75 angstrom, respectively, for top layer atoms in this reconstructed surface.

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页码：263 / 269

页数：7

相关论文

共 23 条

[1] SCATTERING OF NEUTRAL ATOMS BY AN EXPONENTIAL CORRUGATED POTENTIAL [J].

ARMAND, G ;

MANSON, JR .

PHYSICAL REVIEW LETTERS, 1979, 43 (24) :1839-1842

[2] CORRELATION BETWEEN DOMAIN BOUNDARIES AND SURFACE STEPS - A SCANNING-TUNNELING-MICROSCOPY STUDY ON RECONSTRUCTED PT(100) [J].

BEHM, RJ ;

HOSLER, W ;

RITTER, E ;

BINNIG, G .

PHYSICAL REVIEW LETTERS, 1986, 56 (03) :228-231

[3] THE INTERACTION OF CO AND PT(100) .1. MECHANISM OF ADSORPTION AND PT PHASE-TRANSITION [J].

BEHM, RJ ;

THIEL, PA ;

NORTON, PR ;

ERTL, G .

JOURNAL OF CHEMICAL PHYSICS, 1983, 78 (12) :7437-7447

[4] OBSERVATION OF A CHANGE IN SURFACE ELECTRONIC-STRUCTURE OF PT(100) INDUCED BY RECONSTRUCTION [J].

BONZEL, HP ;

HELMS, CR ;

KELEMEN, S .

PHYSICAL REVIEW LETTERS, 1975, 35 (18) :1237-1240

[5]

Devonshire A.F., 1936, P ROY SOC LOND A MAT, V156, P37

[6] STRUCTURAL STUDIES OF SURFACES WITH ATOMIC AND MOLECULAR-BEAM DIFFRACTION [J].

ENGEL, T ;

RIEDER, KH .

SPRINGER TRACTS IN MODERN PHYSICS, 1982, 91 :55-180

[7] DEPENDENCE OF THE HE-SCATTERING POTENTIAL AT SURFACES ON THE SURFACE-ELECTRON-DENSITY PROFILE [J].

ESBJERG, N ;

NORSKOV, JK .

PHYSICAL REVIEW LETTERS, 1980, 45 (10) :807-810

[8] ON ANOMALOUS SURFACE STRUCTURES OF GOLD [J].

FEDAK, DG ;

GJOSTEIN, NA .

SURFACE SCIENCE, 1967, 8 (1-2) :77-&

[9] DIFFRACTION OF HELIUM FROM CU(110), (113), (115) AND (117) - INTERACTION POTENTIAL AND SURFACE CRYSTALLOGRAPHY [J].

GORSE, D ;

SALANON, B ;

FABRE, F ;

KARA, A ;

PERREAU, J ;

ARMAND, G ;

LAPUJOULADE, J .

SURFACE SCIENCE, 1984, 147 (2-3) :611-646

[10] SURFACE STRUCTURES ON CLEAN PLATINUM (100) SURFACE [J].

HAGSTROM, S ;

LYON, HB ;

SOMORJAI, GA .

PHYSICAL REVIEW LETTERS, 1965, 15 (11) :491-&