VORTEX-MOTION-INDUCED VOLTAGE NOISE IN YBA2CU3O7-DELTA SINGLE-CRYSTALS

被引:89
作者
DANNA, G [1 ]
GAMMEL, PL [1 ]
SAFAR, H [1 ]
ALERS, GB [1 ]
BISHOP, DJ [1 ]
GIAPINTZAKIS, J [1 ]
GINSBERG, DM [1 ]
机构
[1] UNIV ILLINOIS,DEPT PHYS,CHAMPAIGN,IL 61801
关键词
D O I
10.1103/PhysRevLett.75.3521
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We have investigated vortex motion below the quasistatic melting transition in a detwinned YBa2Cu3O7-delta single crystal by measuring the differential resistance and the voltage noise. With the magnetic field parallel to the copper-oxygen planes and the large, flat surface of the sample, the noise power spectrum permits us to deduce that the surfaces are the dominant source of the noise and that the vortices appear to be flowing in channels. In certain regimes, the noise power spectrum exhibits unusually sharp and distinct peaks which are periodic in frequency.
引用
收藏
页码:3521 / 3524
页数:4
相关论文
共 26 条
[1]   MAGNETIC FLUX-LINE LATTICES AND VORTICES IN THE COPPER-OXIDE SUPERCONDUCTORS [J].
BISHOP, DJ ;
GAMMEL, PL ;
HUSE, DA ;
MURRAY, CA .
SCIENCE, 1992, 255 (5041) :165-172
[2]  
BRANDT EH, IN PRESS
[3]   FLUX VORTICES AND TRANSPORT CURRENTS IN TYPE II SUPERCONDUCTORS [J].
CAMPBELL, AM ;
EVETTS, JE .
ADVANCES IN PHYSICS, 1972, 21 (90) :199-+
[4]   FLUX-CREEP CROSSOVER AND RELAXATION OVER SURFACE BARRIERS IN BI2SR2CACU2O8 CRYSTALS [J].
CHIKUMOTO, N ;
KONCZYKOWSKI, M ;
MOTOHIRA, N ;
MALOZEMOFF, AP .
PHYSICAL REVIEW LETTERS, 1992, 69 (08) :1260-1263
[5]   FLUX-FLOW NOISE IN SUPERCONDUCTORS [J].
CLEM, JR .
PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS, 1981, 75 (01) :1-55
[6]   DOUBLE AND TRIPLE PEAKS IN THE AC LOSSES OF SOME SUPERCONDUCTORS [J].
DANNA, G ;
ANDRE, MO ;
BENOIT, W .
EUROPHYSICS LETTERS, 1994, 25 (07) :539-543
[7]   PEAK EFFECT IN UNTWINNED YBA2CU3O7-DELTA SINGLE-CRYSTALS [J].
DANNA, G ;
INDENBOM, MV ;
ANDRE, MO ;
BENOIT, W ;
WALKER, E .
EUROPHYSICS LETTERS, 1994, 25 (03) :225-230
[8]  
FLIPPEN RB, 1995, B AM PHYS SOC, V40, P791
[9]   MULTIPLE PEAKS IN THE AC SUSCEPTIBILITY OF UNTWINNED Y-BA-CU-O SINGLE-CRYSTALS - A MANIFESTATION OF THE PEAK EFFECT [J].
GIAPINTZAKIS, J ;
NEIMAN, RL ;
GINSBERG, DM ;
KIRK, MA .
PHYSICAL REVIEW B, 1994, 50 (21) :16001-16007
[10]   A METHOD FOR OBTAINING SINGLE DOMAIN SUPERCONDUCTING YBA2CU3O7-X SINGLE-CRYSTALS [J].
GIAPINTZAKIS, J ;
GINSBERG, DM ;
HAN, PD .
JOURNAL OF LOW TEMPERATURE PHYSICS, 1989, 77 (1-2) :155-161