OXYGEN ISOTOPE EFFECT AND STRUCTURAL PHASE-TRANSITIONS IN LA2-XMXCUO4

被引:8
|
作者
CRAWFORD, MK
FARNETH, WE
MIAO, R
HARLOW, RL
TORARDI, CC
MCCARRON, EM
机构
[1] Central Research and Development, Experimental Station, Wilmington, DE 19880-0356
来源
PHYSICA C | 1991年 / 185卷
关键词
D O I
10.1016/0921-4534(91)91896-C
中图分类号
O59 [应用物理学];
学科分类号
摘要
The O-18/O-16 isotope effect on T(c) in La2-xCaxCuO4 has been determined and is compared with previous work on the Ba and Sr-doped materials. alpha-o values greater than 0.5 are observed and unusual lattice dynamics at 1/8 hole per Cu are again indicated.
引用
收藏
页码:1345 / 1346
页数:2
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