PAIR-BREAKING EFFECT OF HIGH-CURRENT DENSITIES ON THE SUPERCONDUCTING TRANSITION IN YBA2CU3O7-DELTA

被引：38

作者：

KUNCHUR, MN ^{[1
]}

CHRISTEN, DK ^{[1
]}

KLABUNDE, CE ^{[1
]}

PHILLIPS, JM ^{[1
]}

机构：

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

来源：

PHYSICAL REVIEW LETTERS | 1994年 / 72卷 / 05期

关键词：

D O I：

10.1103/PhysRevLett.72.752

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The equilibrium resistive transition of YBa2Cu3O7-delta epitaxial films was measured at high pulsed current densities J to promote homogeneous current flow and free flux flow. The superconducting transition temperature T(c) was then depressed as a function of J in fixed fields H. The shifts in T(c), defined near midtransition, scaled following Ginzburg-Landau behavior: DELTAT(c)(H,J)/T(c)(H,0) = [J/J0]2/3, where J0 is a field- and current-independent constant.

引用

收藏

页码：752 / 755

页数：4

相关论文

共 25 条

[1] STOICHIOMETRIC EFFECTS IN EPITAXIAL BA2-XY1-YCU3-ZO7-DELTA THIN-FILMS ON LAALO3(100) [J].

CARLSON, DJ ;

SIEGAL, MP ;

PHILLIPS, JM ;

TIEFEL, TH ;

MARSHALL, JH .

JOURNAL OF MATERIALS RESEARCH, 1990, 5 (12) :2797-2801

[2] PULSE IV CHARACTERISTICS MEASUREMENT TO STUDY THE DISSIPATION MECHANISM IN EPITAXIAL YBA2CU3OX THIN-FILMS AT HIGH-CURRENT DENSITIES [J].

GUPTA, SK ;

BERDAHL, P ;

RUSSO, RE ;

BRICENO, G ;

ZETTL, A .

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 1993, 206 (3-4) :335-344

[3] FLUX-FLOW HALL-EFFECT IN SUPERCONDUCTING TL2BA2CACU2O8 FILMS [J].

HAGEN, SJ ;

LOBB, CJ ;

GREENE, RL ;

EDDY, M .

PHYSICAL REVIEW B, 1991, 43 (07) :6246-6248

[4] ANISOTROPY OF THE THERMAL-CONDUCTIVITY OF YBA2CU3O7-Y [J].

HAGEN, SJ ;

WANG, ZZ ;

ONG, NP .

PHYSICAL REVIEW B, 1989, 40 (13) :9389-9392

[5] MODEL FOR THE REVERSIBLE MAGNETIZATION OF HIGH-KAPPA TYPE-II SUPERCONDUCTORS - APPLICATION TO HIGH-TC SUPERCONDUCTORS [J].

HAO, ZD ;

CLEM, JR ;

MCELFRESH, MW ;

CIVALE, L ;

MALOZEMOFF, AP ;

HOLTZBERG, F .

PHYSICAL REVIEW B, 1991, 43 (04) :2844-2852

[6] IDENTIFICATION OF NONBOLOMETRIC PHOTORESPONSE IN YBA2CU3O7-DELTA THIN-FILMS BASED ON MAGNETIC-FIELD DEPENDENCE [J].

HEGMANN, FA ;

PRESTON, JS .

APPLIED PHYSICS LETTERS, 1993, 62 (10) :1158-1160

[7] UPPER CRITICAL-FIELD HC2 OF SINGLE-CRYSTAL Y1-XPRXBA2CU3O7-DELTA [J].

JIA, YX ;

LIU, JZ ;

LAN, MD ;

KLAVINS, P ;

SHELTON, RN ;

RADOUSKY, HB .

PHYSICAL REVIEW B, 1992, 45 (18) :10609-10615

[8] OBSERVATION OF ULTRAHIGH CRITICAL CURRENT DENSITIES IN HIGH-TC SUPERCONDUCTING BRIDGE CONSTRICTIONS [J].

JIANG, H ;

HUANG, Y ;

HOW, H ;

ZHANG, S ;

VITTORIA, C ;

WIDOM, A ;

CHRISEY, DB ;

HORWITZ, JS ;

LEE, R .

PHYSICAL REVIEW LETTERS, 1991, 66 (13) :1785-1788

[9]

Jones E., UNPUB

[10] OBSERVATION OF FREE FLUX FLOW AT HIGH DISSIPATION LEVELS IN YBA2CU3O7-BETA EPITAXIAL-FILMS [J].

KUNCHUR, MN ;

CHRISTEN, DK ;

PHILLIPS, JM .

PHYSICAL REVIEW LETTERS, 1993, 70 (07) :998-1001