OBSERVATION OF THE VORTEX-GLASS TRANSITION IN THE TL-BASED SUPERCONDUCTING THIN-FILMS

被引：6
|
作者：
WANG, CY [1 ]
CHANG, HL [1 ]
JUANG, JY [1 ]
GOU, YS [1 ]
UEN, TM [1 ]
机构：
[1] NATL CHIAO TUNG UNIV, INST ELECTROPHYS, HSINCHU 300, TAIWAN
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 1992年 / 31卷 / 8A期
关键词：
TL-BASED SUPERCONDUCTING THIN FILM; IRREVERSIBILITY LINE; FLUX CREEP; VORTEX-GLASS TO VORTEX-LIQUID TRANSITION;
D O I：
10.1143/JJAP.31.L1054
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The current-voltage characteristics (IVC) of Tl-based superconducting thin films as well as the magnetization of the Tl-based bulk sample were investigated. A crossover similar to the prediction of the vortex-glass to vortex-liquid phase transition in the IVC of Tl-based superconducting thin films was clearly demonstrated. More significantly, striking scaling behavior was found in the IVC which is only sample dependent and is irrelevant to the applied magnetic fields. By comparison to dc magnetization measurements on similar bulk samples, it is found that the phase boundary is not the irreversibility line commonly encountered in the flux-creep scenario.
引用
收藏
页码：L1054 / L1057
页数：4
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