SUPERCONDUCTIVITY AND STRUCTURE OF INFINITE-LAYER COMPOUNDS

被引：1
|
作者：
ZHAO, ZX
ZHOU, XJ
LI, JQ
YAO, YS
机构：
[1] National Laboratory for superconductivity, Institute of Physics, Chinese Academy of Sciences, Beijing
来源：
PHYSICA C | 1994年 / 229卷 / 1-2期
关键词：
D O I：
10.1016/0921-4534(94)90809-5
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The superconducting infinite-layer compound (Sr,Nd)CuO2 was synthesized under high pressure and its microstructure was characterized. The tetragonal structure a X a X c of the infinite-layer phase transforms into a superstructure 2 square-root 2a X 2 square-root 2a X c when the sample was in situ heated in a transmission electron microscope to about 600 K. An anomalous resistance change of the sample heated in vacuo to 400-degrees-C confirmed the phase transformation. After the superstructure formation, the sample lost its superconductivity and became semiconducting.
引用
收藏
页码：35 / 38
页数：4
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