Flux Pinning in (Bi0.9 Pb0.13)2Sr2(Ca0.98R0.02)2Cu3O10+δ System (R=Sm, Eu, Gd, Dy, Ca)

Chin. Phys. Lett.

1995, Vol. 12

Issue (1): 42-45 DOI:

Original Articles

Flux Pinning in (Bi_0.9 Pb_0.13)₂Sr₂(Ca_0.98R_0.02)₂Cu₃O_10+δ System (R=Sm, Eu, Gd, Dy, Ca)

CAI Dianxian;JIN Xin;SHEN Jiancang;YAO Xixian

Department of Physics, and National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210008

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CAI Dianxian, JIN Xin, SHEN Jiancang et al 1995 Chin. Phys. Lett. 12 42-45

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Abstract The (Bi_0.9 Pb_0.13)₂Sr₂(Ca_0.98R_0.02)₂Cu₃O_10+δ superconductors (R = Sm, Eu, Gd, Dy, Ca) were prepared and the flux pinning effects of all samples were studied using vibrating sample magnetometer. We found that the pinning potential energy U increases but the flux pinning force F_p decreases when the magnetic moment of the rare earth element increases. We believe that this effect may come from the area of normal state resulting from the magnetic moment of the rare earth element which was particularly substituted for the Ca²⁺ ion of our samples.

Keywords: 74.60.Ge

Published: 01 January 1995

PACS:

74.60.Ge

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URL:

https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1995/V12/I1/042

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	JIN Xin
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