MOSSBAUER DIFFRACTION IN PERFECT CRYSTALS UNDERGOING ULTRASONIC EXCITATION

被引：5
|
作者：
GAVRILOV, VN
ZOLOTOYABKO, EV
IOLIN, EM
机构：
[1] Institute of Physics, Latvian SSR Academy of Sciences, Riga, Salaspils
来源：
HYPERFINE INTERACTIONS | 1990年 / 58卷 / 1-4期
关键词：
D O I：
10.1007/BF02398355
中图分类号：
O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];
学科分类号：
070203 ; 070304 ; 081704 ; 1406 ;
摘要：
The influence of the ultrasonic wave on the dynamic diffraction of the Mössbauer γ quanta in the perfect Si crystals has been studied. Both the scattering intensities and the diffractional Mössbauer spectra for different reflections and ultrasonic frequences νs have been measured. Some unusual results such as the enhancement of the elastic scattering at high νs with ultrasound amplitude growing and non-exponential decrease of the Debye-Waller factor (connected with ultrasonic phonons) at low νs have been obtained. The experimental data are in good agreement with the theoretical calculations. © 1990 J.C. Baltzer A.G. Scientific Publishing Company.
引用
收藏
页码：2427 / 2432
页数：6
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