Temperature Dependence of the Jc-B Characteristics of Bi2.2Sr1.8Ca1.0Cu2.0O8.2 Single Crystal

Seiji Hayashi,Hiroshi Kjikawa,Vincent Maret,Yoshio Kawate,Shichio Kawai,Rikuo Ogawa,Katsuki Kitahama,Ichiro Shigaki,Yoshito Fukumoto,Kazuyuki Shibutani

doi:10.1007/978-4-431-68141-0_109

Temperature Dependence of the Jc-B Characteristics of Bi2.2Sr1.8Ca1.0Cu2.0O8.2 Single Crystal

Seiji Hayashi, Hiroshi Kjikawa + Show 8 more

https://doi.org/10.1007/978-4-431-68141-0_109

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Publication Date: Jan 1, 1991

Affiliation: Kobe Steel (Japan), Osaka Research Institute of Industrial Science and Technology, Osaka University

#Magnetic Field #Large Critical Current Density + Show 8 more

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Abstract

Measurements of the magnetization vs. magnetic field hysteresis for Bi2.2Sr1.8Ca1.0Cu2.0O8.2 single crystal were performed in the temperature range from 4.2K to 25K. Very large critical current density in a-b plane (Jcab) of 1.8×106 A/cm2 was observed at 4.2K. The falloff of Jcab with applied magnetic field was small at 4.2K, while Jcab decreased rapidly with increasing temperature. As for the anisotropy of this single crystal, we measured M-H hysteresis curve as a function of the angle between magnetic field and a-b plane. The results support very well the Kes’s model that Bi-based high-Tc superconductors are composed of 2-dimensional superconducting layers separated by normal conducting insertion layers.

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