Phase Transformation in the Infinite Layer Structure Compound
(Sr, Nd) CuO2 and its Effect on Superconductivity
ZHOU Xingjiang, YAO Yushu, LI Jianqi. XU Wei, JIA Shunlian, ZHAO Zhongxian
National Laboratory for Superconductivity, Institute of physics, Academia Sinica, Beijing 100080
Phase Transformation in the Infinite Layer Structure Compound
(Sr, Nd) CuO2 and its Effect on Superconductivity
ZHOU Xingjiang;YAO Yushu;LI Jianqi. XU Wei;JIA Shunlian;ZHAO Zhongxian
National Laboratory for Superconductivity, Institute of physics, Academia Sinica, Beijing 100080
关键词 ：
74.70.Jm ,
74.70.Vy ,
81.30.Hd ,
61.16.-d
Abstract ： Superconducting compound (Sr0.86 Nd0.14 ) CuO2 with the infinite layer structure was synthesized under high pressure. This tetragonal structure a x a transforms into a superstructure 2√2a x 2√2a when the sample was in situ heated in transmission electron microscope to about 600K. An anormalous resistance change of the sample during heating in vacuum to 400°C confirmed the phase transformation. After the superlattice formation, the sample lost its superconductivity and became semiconducting.
Key words ：
74.70.Jm
74.70.Vy
81.30.Hd
61.16.-d
出版日期: 1993-08-01
引用本文:
ZHOU Xingjiang;YAO Yushu;LI Jianqi. XU Wei;JIA Shunlian;ZHAO Zhongxian. Phase Transformation in the Infinite Layer Structure Compound
(Sr, Nd) CuO2 and its Effect on Superconductivity
[J]. 中国物理快报, 1993, 10(8): 503-506.
2 and its Effect on Superconductivity
. Chin. Phys. Lett., 1993, 10(8): 503-506.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y1993/V10/I8/503
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