MAGNETIZATION HYSTERESIS AND FLUX PINNING IN TWINNED AND UNTWINNED YBA2CU3O7-DELTA SINGLE-CRYSTALS

被引：98

作者：

WELP, U ^{[1
]}

KWOK, WK ^{[1
]}

CRABTREE, GW ^{[1
]}

VANDERVOORT, KG ^{[1
]}

LIU, JZ ^{[1
]}

机构：

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

来源：

APPLIED PHYSICS LETTERS | 1990年 / 57卷 / 01期

关键词：

D O I：

10.1063/1.104237

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Measurements of the magnetization hysteresis of the same crystal in the twinned and untwinned state reveal that pinning due to twinning planes may contribute a substantial, anisotropic fraction of the observed critical currents. A linear scaling between magnetization hysteresis and sample dimension shows that the twinned and untwinned crystal does not exhibit any subgranular effects.

引用

收藏

页码：84 / 86

页数：3

相关论文

共 15 条

[1] FLUX VORTICES AND TRANSPORT CURRENTS IN TYPE II SUPERCONDUCTORS [J].

CAMPBELL, AM ;

EVETTS, JE .

ADVANCES IN PHYSICS, 1972, 21 (90) :199-+

[2] LARGE ANISOTROPIC CRITICAL MAGNETIZATION CURRENTS IN SINGLE-CRYSTAL YBA2CU3O7-DELTA [J].

CRABTREE, GW ;

LIU, JZ ;

UMEZAWA, A ;

KWOK, WK ;

SOWERS, CH ;

MALIK, SK ;

VEAL, BW ;

LAM, DJ ;

BRODSKY, MB ;

DOWNEY, JW .

PHYSICAL REVIEW B, 1987, 36 (07) :4021-4024

[3] CRITICAL STATE IN DISK-SHAPED SUPERCONDUCTORS [J].

DAUMLING, M ;

LARBALESTIER, DC .

PHYSICAL REVIEW B, 1989, 40 (13) :9350-9353

[4]

DINGER TR, 1989, IN PRESS SOLID STATE

[5] ANISOTROPIC CRITICAL CURRENTS IN BA2YCU3O7 ANALYZED USING AN EXTENDED BEAN MODEL [J].

GYORGY, EM ;

VANDOVER, RB ;

JACKSON, KA ;

SCHNEEMEYER, LF ;

WASZCZAK, JV .

APPLIED PHYSICS LETTERS, 1989, 55 (03) :283-285

[6] GROWTH AND MICROSTRUCTURE OF SUPERCONDUCTING YBA2CU3OX SINGLE-CRYSTALS [J].

KAISER, DL ;

HOLTZBERG, F ;

CHISHOLM, MF ;

WORTHINGTON, TK .

JOURNAL OF CRYSTAL GROWTH, 1987, 85 (04) :593-598

[7] PINNING FORCE OF TWIN PLANES OR GRAIN-BOUNDARIES IN HIGH-TC SUPERCONDUCTORS [J].

KES, PH ;

PRUYMBOOM, A ;

VANDENBERG, J ;

MYDOSH, JA .

CRYOGENICS, 1989, 29 (3A) :228-231

[8]

KUPFER H, 1989, CRYOGENICS, V29, P225

[9] DIRECT OBSERVATION OF DISSIPATIVE FLUX MOTION AND PINNING BY TWIN BOUNDARIES IN YBA2CU3O7-DELTA SINGLE-CRYSTALS [J].

KWOK, WK ;

WELP, U ;

CRABTREE, GW ;

VANDERVOORT, KG ;

HULSCHER, R ;

LIU, JZ .

PHYSICAL REVIEW LETTERS, 1990, 64 (08) :966-969

[10] MEISSNER EFFECT AND MAGNETIC CRITICAL CURRENT-DENSITY IN DETWINNED YBA2CU3O7-X SINGLE-CRYSTALS [J].

LIU, JZ ;

LAN, MD ;

KLAVINS, P ;

SHELTON, RN .

PHYSICS LETTERS A, 1990, 144 (4-5) :265-268