Vortex states near the peak effect regime detected by voltage noise

被引：0
|
作者：
Okuma, S.
Kashiro, K.
Kokubo, N.
机构：
[1] Tokyo Inst Technol, Res Ctr Low Temperature Phys, Meguro Ku, Tokyo 1528551, Japan
[2] Kyushu Univ, Ctr Res & Advancement Higher Educ, Chuo Ku, Fukuoka 8100044, Japan
来源：
Noise and Fluctuations | 2007年 / 922卷
关键词：
noise; peak effect; phase diagram;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We study the static and dynamic properties of vortices in the vortex solid phase of a thick amorphous MoxGe1-x film with Corbino-disk (CD) and strip-like contact geometries. For the strip-like geometry the peak effect (PE) of the critical currently with magnetic field is clearly visible for all the temperatures studied and large voltage noise originating from current-driven vortices appears in the field region just prior to a peak field where 1, takes a peak. For the CD geometry we observe essentially the same phenomena, indicating that the edge effects are not important for the static or dynamic properties of vortices.
引用
收藏
页码：245 / 248
页数：4
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