TEMPERATURE-DEPENDENCE OF HELIUM SCATTERING BY AN ORDERED FILM

被引：1
作者：
MAHALE, NK
KARA, A
COLE, MW
SCHWARTZ, C
机构：
[1] PENN STATE UNIV,DEPT PHYS,UNIVERSITY PK,PA 16802
[2] USN,WEAPONS CTR,DIV PHYS,MICHELSON LAB,CODE 3813,CHINA LAKE,CA 93555
来源：
SOLID STATE COMMUNICATIONS | 1987年 / 62卷 / 04期
关键词：
GASES; -; Analysis;
D O I：
10.1016/0038-1098(87)90800-3
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Calculations are presented of the temperature (T) dependence of the specular scattering of He atoms from adsorbed noble gas layers. The eikonal method is used for an oscillating soft wall, derived from a realistic dynamical model of the overlayer. Deviation is found from the usual Debye-Waller effect in that the specular reflection can increase with T at low T. Numerically exact calculations are performed to confirm the model qualitatively in the limit of a rigid layer.
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收藏
页码：225 / 229
页数：5
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