FLUX CREEP IN FLUORINE-DOPING Bi(Pb)-Sr-Ca-Cu-O BULK SUPERCONDUCTOR

CAO XIAOWEN; FENG SHANGSHEN; GAO XIAOHUI; WU XIAOLIN; YAN HUI; YIN ZHOULAN; WEI QIN

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Modern Physics Letters B

Article . 1991 . Peer-reviewed

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https://dx.doi.org/10.1142/s02...

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FLUX CREEP IN FLUORINE-DOPING Bi(Pb)-Sr-Ca-Cu-O BULK SUPERCONDUCTOR

descriptionPublicationkeyboard_double_arrow_right Article 30 Dec 1991 English Publisher:World Scientific Pub Co Pte LtJournal:Modern Physics Letters B, volume 5, pages 1,997-2,002 (issn: 0217-9849, eissn: 1793-6640,

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Authors: CAO XIAOWEN; FENG SHANGSHEN; GAO XIAOHUI; WU XIAOLIN; YAN HUI; YIN ZHOULAN; WEI QIN;

doi: 10.1142/s0217984991002409

FLUX CREEP IN FLUORINE-DOPING Bi(Pb)-Sr-Ca-Cu-O BULK SUPERCONDUCTOR

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Abstract

We report the field and time dependences of zero field cooled magnetization for fluorine-doped Bi1.7Pb0.3Sr2Ca2Cu3Oy bulk superconductor. By fluorine-doping, the field dependences of both flux creep and pinning potential exhibit some new behaviours suggesting S = dM/d ln t ∝ H1/2 for the field range from H p to 1000 Oe, U0(H)∝ exp (−H/30) for the field below H p and U0(H)∝H−α with α=3/2 for the field above H p .

Related Organizations

South China University of Technology
China (People's Republic of)
Central South University
China (People's Republic of)
Academia Sinica
Taiwan
Institute of Plasma Physics
China (People's Republic of)

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