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題名: Magnetic Relaxation in a Ag-sheathed High Jc-Bi-Pb-Sr-Ca-Cu-O Superconducting Tape
作者: Chen, K.;Lee, W. H.;Horng, Lance;Yang, T. J.
貢獻者: 物理學系
日期: 1991-12
上傳時間: 2013-02-05T02:16:33Z
出版者: Elsevier
摘要: The magnetic relaxation and magnetization curves were studied on the Ag-sheathed and highly c-axis oriented BiPbSrCaCuO tape with transport Jc > 104 A/cm2 at 77 K. Zero-field-cooled (ZFC) in-field relaxation for applied field perpendicular to the sample a-b plane was investigated. It was found that the field-dependent relaxation rate had a maximum in the certain applied field at various temperatures. The applied field at this maximum was greater than H∗, the first field for which currents flow through the entire volume of the sample in the Bean's critical state model. Pinning energies were estimated at the maximal relaxation rate in a series of temperatures.
關聯: Physica C: Superconductivity Part 4, 185-189: 2325-2326
顯示於類別:[物理學系] 期刊論文

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