PHONON PROPERTIES OF RARE-EARTH YTTERBIUM PNICTIDES

被引：2
|
作者：
JHA, PK
SANYAL, SP
机构：
[1] Department of Physics, University of Bhopal, Bhopal, 462 026, C V Raman Building
来源：
PRAMANA-JOURNAL OF PHYSICS | 1995年 / 44卷 / 05期
关键词：
PHONON DISPERSION CURVES; DENSITY OF STATES; RARE EARTH; INTERMEDIATE VALENCE COMPOUNDS;
D O I：
10.1007/BF02848494
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We report for the first time the complete phonon dispersion curves for the ytterbium pnictide compounds (YbN, YbP and YbAs) using a breathing shell model to establish their predominant ionic nature. The calculated results also show that this group of rare earth compounds does not show any elastic and phonon anomalies which are the characteristic features of other rare earth compounds. We emphasize the need for further Raman and neutron scattering measurements.
引用
收藏
页码：419 / 427
页数：9
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