RAINBOW SCATTERING AT SHADOWING AND BLOCKING CRITICAL ANGLES

被引：8

作者：

DALEY, RS ^{[1
]}

FARRELLY, D ^{[1
]}

WILLIAMS, RS ^{[1
]}

机构：

[1] UNIV CALIF LOS ANGELES,CTR SOLID STATE SCI,LOS ANGELES,CA 90024

来源：

SURFACE SCIENCE | 1990年 / 234卷 / 03期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0039-6028(90)90567-R

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：

We show that blocking and shadowing effects for energetic ions scattering from more than one atom are special cases of rainbow scattering. Even at keV energies and above, the cross section at the critical angle for scattering must be evaluated by quantum or semi-classical means to avoid the singularity in the classically calculated cross sections. Experimentally observed scattered distributions are averaged over a large range of atomic orientations because of lattice vibrations, so supernumerary rainbows are not observed. Practical considerations for numeric evaluation of the cross section are discussed. © 1990.

引用

页码：355 / 360

页数：6

共 14 条

[1]

Abramowitz M., 1965, HDB MATH FUNCTIONS

[2] QUANTITATIVE SURFACE ATOMIC GEOMETRY AND TWO-DIMENSIONAL SURFACE ELECTRON-DISTRIBUTION ANALYSIS BY A NEW TECHNIQUE IN LOW-ENERGY ION-SCATTERING [J].

AONO, M ;

OSHIMA, C ;

ZAIMA, S ;

OTANI, S ;

ISHIZAWA, Y .

JAPANESE JOURNAL OF APPLIED PHYSICS, 1981, 20 (11) :L829-L832

[3]

Child M. S., 1974, MOL COLLISION THEORY

[4] NEUTRALIZATION OF LOW-ENERGY HELIUM-IONS SCATTERED FROM AU ADATOMS ON SI(111)-SQUARE-ROOT-3 X SQUARE-ROOT-3-AU [J].

DALEY, RS ;

HUANG, JH ;

WILLIAMS, RS .

SURFACE SCIENCE, 1988, 202 (03) :L577-L586

[5] IMPACT-COLLISION ION-SCATTERING SPECTROSCOPY FOR DIRECT SURFACE-STRUCTURE ANALYSIS [J].

DALEY, RS ;

WILLIAMS, RS .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 1990, 45 (1-4) :380-383

[6] SEMICLASSICAL DESCRIPTION OF SCATTERING [J].

FORD, KW ;

WHEELER, JA .

ANNALS OF PHYSICS, 1959, 7 (03) :259-286

[7]

HORN TCM, 1988, SPRINGER SERIES SURF, V11, P83

[8]

HORN TCM, 1988, SURF SCI, V201, P603

[9] COAXIAL IMPACT-COLLISION ION-SCATTERING SPECTROSCOPY (CAICISS) - A NOVEL METHOD FOR SURFACE-STRUCTURE ANALYSIS [J].

KATAYAMA, M ;

NOMURA, E ;

KANEKAMA, N ;

SOEJIMA, H ;

AONO, M .

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 1988, 33 (1-4) :857-861

[10]

NEWTON RG, 1966, THEORY WAVES PARTICL

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