VORTEX LINE PINNING AND BOSE-GLASS DYNAMICS IN HEAVY-ION IRRADIATED BI2SR2CACU2O8+DELTA SINGLE-CRYSTALS

被引：104

作者：

VANDERBEEK, CJ

KONCZYKOWSKI, M

VINOKUR, VM

LI, TW

KES, PH

CRABTREE, GW

机构：

[1] ARGONNE NATL LAB,SCI & TECHNOL CTR SUPERCONDUCTIV,ARGONNE,IL 60439

[2] ECOLE POLYTECH,SOLIDES IRRADIES LAB,F-91128 PALAISEAU,FRANCE

[3] LEIDEN UNIV,KAMERLINGH ONNES LAB,2300 RA LEIDEN,NETHERLANDS

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 74卷 / 07期

关键词：

D O I：

10.1103/PhysRevLett.74.1214

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The angular dependence of the ac screening of Bi2Sr2CaCu2O8+δ single crystals irradiated with 5.8 GeV Pb ions is used to demonstrate the importance of interactions between vortex segments in different CuO2 layers. The field tilt angle below which pinning by the columnar defects is effective is very large: Θa70°. The magnitude and frequency dependence of the shielding current as well as the frequency dependence of the irreversibility line are self-consistently described by the Bose-glass theory. The irreversibility line is shown to be determined by the flux creep rate. © 1995 The American Physical Society.

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页码：1214 / 1217

页数：4

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