DIFFRACTIVE SCATTERING OF HYDROGEN DIMERS FROM LIF(001)

被引：7
|
作者：
TEPPER, G
MILLER, D
机构：
[1] Department AMES-0310, University of California, San Diego
来源：
PHYSICAL REVIEW LETTERS | 1992年 / 69卷 / 20期
关键词：
D O I：
10.1103/PhysRevLett.69.2927
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The weakly bound hydrogen dimer has been detected in diffraction from LiF(001) along the [100] direction. The incident dimer energy is 48 meV and the crystal surface temperature is 150 K. The data are analyzed with a simple eikonal clastic scattering calculation and inelastic phonon scattering attenuation is estimated with a measured Debye-Waller factor. These calculations suggest that at least 5% of the dimers survive fragmentation. The well-defined first-order diffraction peak has an intensity of order 5 x 10(14) dimers/sec str which could be useful for further beam studies.
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收藏
页码：2927 / 2930
页数：4
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