CORRELATION OF VORTEX MOTION IN HIGH-T-C SUPERCONDUCTORS

被引：13

作者：

LEE, TS

MISSERT, N

SAGDAHL, LT

CLARKE, J

CLEM, JR

CHAR, K

ECKSTEIN, JN

FORK, DK

LOMBARDO, L

KAPITULNIK, A

SCHNEEMEYER, LF

WASZCZAK, JV

VANDOVER, RB

机构：

[1] UNIV CALIF BERKELEY,LAWRENCE BERKELEY LAB,DIV MAT SCI,BERKELEY,CA 94720

[2] IOWA STATE UNIV SCI & TECHNOL,AMES LAB,AMES,IA 50011

[3] IOWA STATE UNIV SCI & TECHNOL,DEPT PHYS & ASTRON,AMES,IA 50011

[4] CONDUCTUS INC,SUNNYVALE,CA 94086

[5] VARIAN RES CTR,PALO ALTO,CA 94304

[6] XEROX CORP,PALO ALTO RES CTR,PALO ALTO,CA 94304

[7] STANFORD UNIV,DEPT APPL PHYS,STANFORD,CA 94305

[8] AT&T BELL LABS,MURRAY HILL,NJ 07974

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 74卷 / 14期

关键词：

D O I：

10.1103/PhysRevLett.74.2796

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The magnetic flux noise generated by films and crystals of Bi2Sr2CaCu2 O8+y and YBa2Cu3 O7-x, up to 30 μm thick and cooled in nominally zero magnetic field, has been measured at opposing surfaces by two dc superconducting quantum interference devices. For both materials, the noise sources at the two surfaces were highly correlated at specific temperatures in a given cooldown. This result suggests that the observed vortices moved as rigid rods. At other temperatures, the noise was mostly uncorrelated, suggesting that the relevant vortices were pinned at more than one point along their length. © 1995 The American Physical Society.

引用

页码：2796 / 2799

页数：4

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