National Changhua University of Education Institutional Repository : Item 987654321/15316
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題名: Non-logarithmic Magnetic Relaxation in a Highly Oriented Bi-based Superconducting Tape
作者: Wei, J. C.;Horng, Lance;Yang, T. J.;Chen, K.
貢獻者: 物理學系
日期: 1993-12
上傳時間: 2013-02-05T02:17:03Z
出版者: THE PHYSICAL SOCIETY OF THE REPUBLIC OF CHINA
摘要: 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.
關聯: CHINESE JOURNAL OF PHYSICS, 31(6-II): 1215-1219
顯示於類別:[物理學系] 期刊論文

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