Influence of the orthorhombic distortion on the lattice vibrations in La2CuO4

被引：1
|
作者：
Chaplot, SL
Reichardt, W
Pintschovius, L
机构：
[1] BHABHA ATOM RES CTR, DIV SOLID STATE PHYS, BOMBAY 400085, MAHARASHTRA, INDIA
[2] FORSCHUNGSZENTRUM KARLSRUHE, INST NUKL FESTKORPERPHYS, D-76021 KARLSRUHE, GERMANY
来源：
PHYSICA B-CONDENSED MATTER | 1996年 / 219-20卷
关键词：
D O I：
10.1016/0921-4526(95)00701-6
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
When La2CuO4 (or (La,Sr)(2)CuO4) is cooled below the orthorhombic-to-tetragonal phase transition temperature, numerous changes of the phonon response have been observed in neutron as well as in optical spectra. A recently developed transferable potential model applied to the low-T and high-T phases of La2CuO4 successfully explains many of the changes observed at T-s at least qualitatively, if not quantitatively.
引用
收藏
页码：219 / 221
页数：3
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