New Resistance Anomaly in Superconducting Bi2 Sr2 CaCu2 O8 Single Crystals
WANG Wen-Hu, ZHOU Yu-Qin, CHEN Zhao-Jia, ZHENG Ping, JIN Duo, WANG Yu-Peng
Institute of Physics & Center for Condensed Matter Physics, Chinese Academy of Sciences, P.O.Box 2711, Beijing 100080
New Resistance Anomaly in Superconducting Bi2 Sr2 CaCu2 O8 Single Crystals
WANG Wen-Hu;ZHOU Yu-Qin;CHEN Zhao-Jia;ZHENG Ping;JIN Duo;WANG Yu-Peng
Institute of Physics & Center for Condensed Matter Physics, Chinese Academy of Sciences, P.O.Box 2711, Beijing 100080
关键词 ：
74.25.Fy ,
74.72.Hs ,
74.72.-h
Abstract ： We have measured the resistance of some Bi2 Sr2 CaCu2 O8 superconducting single crystals along ab plane and the c axis. For some of the single crystals, a resistivity anomaly near the superconducting transition temperature is observed in the ab plane. This giant resistance peak is independent of the small driving current (I ≤40 mA), and the peak is suppressed and vanished gradually with the increasing applied magnetic field (> 100 G). We proposed that the resistance peak is a quasi-reentrant behavior due to the superconducting phase inhomogeneous distribution.
Key words ：
74.25.Fy
74.72.Hs
74.72.-h
出版日期: 2000-12-01
引用本文:
WANG Wen-Hu;ZHOU Yu-Qin;CHEN Zhao-Jia;ZHENG Ping;JIN Duo;WANG Yu-Peng
. New Resistance Anomaly in Superconducting Bi2 Sr2 CaCu2 O8 Single Crystals[J]. 中国物理快报, 2000, 17(12): 907-908.
2 Sr2 CaCu2 O8 Single Crystals. Chin. Phys. Lett., 2000, 17(12): 907-908.
链接本文:
https://cpl.iphy.ac.cn/CN/
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https://cpl.iphy.ac.cn/CN/Y2000/V17/I12/907
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2000, Vol. 17 
