Measurement of Magnetization Curve and Magnetic Relaxation for 2H-NbSe2 Crystals

被引：0
|
作者：
Zhang Ning1
2. International Center for Material Physics
机构：
来源：
WuhanUniversityJournalofNaturalSciences | 2004年 / 01期
关键词：
magnetization curve; magnetic relaxation; flux pinning;
D O I：
暂无
中图分类号：
O4-34 [物理测量];
学科分类号：
摘要：
The characteristics of electronic transport properties: behaviors of magnetization curve and magnetic relaxation of a typical normal superconductor 2H-NbSe 2 are investigated. The results show that T Cand ΔT C of the samples are 7.2,0.18 K, indicating that superconducting energy gap at zero temperature is 1.1 meV. No fish tail shape is found in the magnetization curves at several temperatures. The relationship between remnant magnetic moment and time reveals that the magnetic flux creep of the sample agrees with the Kim-Anderson thermal activation model with the relaxation rate S=0.000 36 at T=6 K.
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页码：55 / 58
页数：4
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