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NCUEIR > College of Science > Department of Physics > Periodical Articles > Item 987654321/15306

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/15306

Title:	Magnetic Relaxation in a Ag-sheathed High Jc-Bi-Pb-Sr-Ca-Cu-O Superconducting Tape
Authors:	Chen, K.;Lee, W. H.;Horng, Lance;Yang, T. J.
Contributors:	物理學系
Date:	1991-12
Issue Date:	2013-02-05T02:16:33Z
Publisher:	Elsevier
Abstract:	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.
Relation:	Physica C: Superconductivity Part 4, 185-189: 2325-2326
Appears in Collections:	[Department of Physics] Periodical Articles

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