Critical current and topology of the supercooled vortex state in NbSe2 -: art. no. 064510

被引：25
|
作者：
Menghini, M
Fasano, Y
de la Cruz, F
机构：
[1] Inst Balseiro, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina
[2] Comis Nacl Energia Atom, Ctr Atom Bariloche, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina
来源：
PHYSICAL REVIEW B | 2002年 / 65卷 / 06期
关键词：
D O I：
10.1103/PhysRevB.65.064510
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We study the behavior of the critical current, I-c(H,T), of pure and Fe-doped NbSe2 crystals in the denominated disordered vortex region, limited by the critical field H-c2(T) and the field H-p(T) at which the peak effect in I-c(H,T) is detected. The critical current follows an individual pinning response as demonstrated by its field-independent universal function of the superfluid density. Transport measurements combined with Bitter decorations show no evidence of the existence of an amorphous phase in the high-temperature region.
引用
收藏
页码：1 / 6
页数：6
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