ANISOTROPIC TWIN BOUNDARY PINNING IN YBA2CU3OX

被引：33

作者：

CRABTREE, GW ^{[1
]}

KWOK, WK ^{[1
]}

WELP, U ^{[1
]}

DOWNEY, J ^{[1
]}

FLESHLER, S ^{[1
]}

VANDERVOORT, KG ^{[1
]}

LIU, JZ ^{[1
]}

机构：

[1] UNIV CALIF DAVIS,DEPT PHYS,DAVIS,CA 95616

来源：

PHYSICA C | 1991年 / 185卷 / pt 1期

关键词：

D O I：

10.1016/0921-4534(91)91986-E

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The reduction in flux motion resistivity due to pinning at twin boundaries in single crystal YBa2Cu3Ox is demonstrated. Pinning takes place only for magnetic fields aligned within a critical angle of the twin boundary plane. The critical angle varies with field direction and with field strength for H II c. The onset temperature of twin boundary pinning is established by its strong anisotropy, and shown to correspond with a feature in the temperature dependent resistivity for H II c.

引用

页码：282 / 287

页数：6

共 13 条

[1] VORTEX PINNING BY TWIN BOUNDARIES IN COPPER-OXIDE SUPERCONDUCTORS
BLATTER, G
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[2] LARGE ANISOTROPIC CRITICAL MAGNETIZATION CURRENTS IN SINGLE-CRYSTAL YBA2CU3O7-DELTA
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[3] INTRINSIC PINNING AND LOCK-IN TRANSITION OF FLUX LINES IN LAYERED TYPE-II SUPERCONDUCTORS
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[4] SHARP ANGULAR SENSITIVITY OF PINNING DUE TO TWIN BOUNDARIES IN BA2YCU3O7
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[J]. APPLIED PHYSICS LETTERS, 1990, 56 (24) : 2465 - 2467
[5] FLUX PINNING ENHANCEMENT BY TWIN BOUNDARIES
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[J]. SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 1991, 4 : S259 - S261
[6] DIRECT OBSERVATION OF DISSIPATIVE FLUX MOTION AND PINNING BY TWIN BOUNDARIES IN YBA2CU3O7-DELTA SINGLE-CRYSTALS
KWOK, WK
WELP, U
CRABTREE, GW
VANDERVOORT, KG
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LIU, JZ
[J]. PHYSICAL REVIEW LETTERS, 1990, 64 (08) : 966 - 969
[7] KWOK WK, IN PRESS PHYS REV LE
[8] INPLANE ANISOTROPY OF THE INTERACTION BETWEEN VORTEX AND TWIN BOUNDARY IN YBA2CU3O7 SINGLE-CRYSTALS
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[J]. PHYSICAL REVIEW LETTERS, 1991, 66 (10) : 1354 - 1357
[9] STRONG VORTEX PINNING INTRINSIC IN HIGH-TC OXIDE SUPERCONDUCTORS
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[J]. SOLID STATE COMMUNICATIONS, 1989, 70 (03) : 291 - 295
[10] TWIN-BOUNDARY EFFECTS ON FLUX ENTRY AND LOWER CRITICAL FIELDS IN SINGLE-CRYSTAL YBA2CU3O7-DELTA
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WELP, U
KWOK, WK
VANDERVOORT, KG
LIU, JZ
[J]. PHYSICAL REVIEW B, 1990, 42 (13): : 8744 - 8747

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