National Changhua University of Education Institutional Repository : Item 987654321/15353

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NCUEIR > College of Science > Department of Physics > Periodical Articles > Item 987654321/15353

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/15353

Title:	Detail Analysis of Magnetic Phase Diagram in Bi-2223 Superconductors
Authors:	Horng, Lance;Chen, K.
Contributors:	物理學系
Keywords:	Phase diagram;Relaxation;Superconductor;Vortex;Melting transition
Date:	2000-02
Issue Date:	2013-02-05T02:18:04Z
Publisher:	Elsevier
Abstract:	Magnetic properties of a high-quality Bi-2223 superconducting tape have been studied by various magnetization measurements using SQUID magnetometer for understanding the flux dynamics. The remnant flux relaxation was carried out for a very long time period of up to 24 h. The curve of the magnetization with ln(t) can be divided into two relaxation rates in different periods of time at higher field. A phase transition boundary of temperature and magnetic field, in which the field has two different relaxation rates, is described in a three- to two-dimensional decoupling transition.
Relation:	Journal of Magnetism and Magnetic Materials, 209(1-3): 237-239
Appears in Collections:	[Department of Physics] Periodical Articles

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