National Changhua University of Education Institutional Repository : Item 987654321/15316

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NCUEIR > College of Science > Department of Physics > Periodical Articles > Item 987654321/15316

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/15316

Title:	Non-logarithmic Magnetic Relaxation in a Highly Oriented Bi-based Superconducting Tape
Authors:	Wei, J. C.;Horng, Lance;Yang, T. J.;Chen, K.
Contributors:	物理學系
Date:	1993-12
Issue Date:	2013-02-05T02:17:03Z
Publisher:	THE PHYSICAL SOCIETY OF THE REPUBLIC OF CHINA
Abstract:	Magnetic Relexation was studied at a wide range of temperatures and magnetic fields for a Ag-sheathed Bi-based superconducting tape with highly-c-axis orientation and high critical current density (J, > lo4 A/cm2 at 77 K and 0 T). Under certain conditions, it is found that the magnetization data varies nonlinearly with In(t) for entire period of time (1 > lo4 s). The curves can be divided into two relaxation rate (dM/dln(t)) md�ifferent period of time. It was observed that the lower the temperature is, the higher the magnetic field needs to bend a logarithmic line into a curve with two different relaxation rate (dM/dln(t)) in different region of time. The diagram of temperature and magnetic field was obtained from the experiment.
Relation:	CHINESE JOURNAL OF PHYSICS, 31(6-II): 1215-1219
Appears in Collections:	[Department of Physics] Periodical Articles

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