DYNAMIC ATOMIC DISPLACEMENTS IN YBA2CU3O6+X AS A FUNCTION OF TEMPERATURE

被引：0
|
作者：
CASTRO, JJ
YEPEZ, E
CALLES, A
SOTO, JR
CABRERA, A
机构：
[1] INST POLITECN NACL,ESCUELA SUPER FIS & MATEMAT,MEXICO CITY 07738,DF,MEXICO
[2] NATL AUTONOMOUS UNIV MEXICO,FAC CIENCIAS,MEXICO CITY 04510,DF,MEXICO
来源：
PHYSICA C | 1994年 / 235卷
关键词：
D O I：
10.1016/0921-4534(94)91806-6
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Mean-square displacements in the superconductor YBa2Cu3O6+x, are calculated using the partial phonon density of states through the solution of the dynamical matrix. We make a comparison of the results found and study the consistency of the method for analysing displacement properties. In particular we discuss the movements of chain O(1) and apical O(4) oxygens. From a comparison of the results with data coming from diffraction experiments we look for possible anomalous behaviour of the oxygens as a function of temperature.
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页码：1163 / 1164
页数：2
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