DIFFRACTION OF NUCLEAR GAMMA-RADIATION BY A SYNTHETIC MULTILAYER STRUCTURE

被引：0
|
作者：
CHUMAKOV, AI [1 ]
SMIRNOV, GV [1 ]
ANDREEV, SS [1 ]
SALASHCHENKO, NN [1 ]
SHINKAREV, SI [1 ]
机构：
[1] ACAD SCI USSR,INST APPL PHYS,NIZHNII NOVGOROD 603600,USSR
来源：
JETP LETTERS | 1991年 / 54卷 / 04期
关键词：
D O I：
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中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The Bragg diffraction of 14.4-keV gamma-rays from Co-57 by a synthetic multilayer Fe-57 Sc structure has been studied. The test sample consisted of 20 layers of Fe-57 and Sc, with respective thicknesses of 20 and 33 angstrom. It was synthesized by magnetron sputtering. The structure was studied by x-ray diffractometry, Hall-effect measurements, and conversion-electron Mossbauer spectroscopy. The Fe-57 layers were found to be amorphous and nonmagnetic. The hyperfine structure of the nuclear sublevels consists of an unsplit system of several components with a total width of about 8.5-GAMMA-0. The angular and energy distributions of the diffraction of the Mossbauer radiation were measured.
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页码：216 / 219
页数：4
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