Vortex-induced voltage instabilities in a superconducting BSCCO thin film

被引：3
|
作者：
Savo, B [1 ]
Coccorese, C
机构：
[1] Univ Salerno, Dipartimento Fis, I-84081 Baronissi, SA, Italy
[2] Univ Salerno, INFM, I-84081 Baronissi, SA, Italy
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 1999年 / 9卷 / 02期
关键词：
D O I：
10.1109/77.784939
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：
Flux-induced voltage switching events assuming the form of Random Telegraph Signals have been investigated in a current biased Bi2Sr2Ca1Cu2O8+x (BSCCO) thin film, at weak magnetic fields(<10G) and at temperatures ranging below 7K. The observed phenomena cannot be framed within traditional theoretical models. Rather, they strongly indicate two distinct vortex dynamical states at the basis of the switching events. A novel interpretation is proposed, relying on the random decay of a nux-creep process in the superconductor.
引用
收藏
页码：2336 / 2339
页数：4
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