FLUX-LINE RESPONSE IN 2H-NBSE2 INVESTIGATED BY MEANS OF THE VIBRATING SUPERCONDUCTOR METHOD

被引：26

作者：

DANNA, G

ANDRE, MO

BENOIT, W

RODRIGUEZ, E

RODRIGUEZ, DS

LUZURIAGA, J

WASCZAK, JV

机构：

[1] COMIS NACL ENERGIA ATOM,CTR ATOM BARILOCHE,RA-8400 BARILOCHE,ARGENTINA

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

来源：

PHYSICA C | 1993年 / 218卷 / 1-2期

关键词：

D O I：

10.1016/0921-4534(93)90288-2

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We measure transverse AC losses in the low- and high-amplitude regime of 2H-NbSe2 single crystals using vibrating superconductor methods. The measurements are sensitive to small deviations of the critical state. The data constitute evidence for a peak effect of the critical current as a function of the temperature in this compound. We construct in the H-T phase diagram the ''peak-effect'' line which is supposed to mark an abrupt cross-over in the vortex-pinning regime.

引用

收藏

页码：238 / 244

页数：7

相关论文

共 22 条

[1] MAGNETIZATION OF HIGH-FIELD SUPERCONDUCTORS [J].

BEAN, CP .

REVIEWS OF MODERN PHYSICS, 1964, 36 (1P1) :31-+

[2] DYNAMICS OF A DISORDERED FLUX LINE LATTICE [J].

BHATTACHARYA, S ;

HIGGINS, MJ .

PHYSICAL REVIEW LETTERS, 1993, 70 (17) :2617-2620

[3] DRASTIC INCREASES OF FREQUENCY AND DAMPING OF A SUPERCONDUCTING VIBRATING REED IN A LONGITUDINAL MAGNETIC-FIELD [J].

BRANDT, EH ;

ESQUINAZI, P ;

NECKEL, H ;

WEISS, G .

PHYSICAL REVIEW LETTERS, 1986, 56 (01) :89-92

[4] TYPE-II SUPERCONDUCTING STRIP IN PERPENDICULAR MAGNETIC-FIELD [J].

BRANDT, EH ;

INDENBOM, MV ;

FORKL, A .

EUROPHYSICS LETTERS, 1993, 22 (09) :735-740

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

CAMPBELL, AM ;

EVETTS, JE .

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

[6] APPARATUS FOR DYNAMIC AND STATIC MEASUREMENTS OF MECHANICAL-PROPERTIES OF SOLIDS AND OF FLUX-LATTICE IN TYPE-II SUPERCONDUCTORS AT LOW-FREQUENCY (10-5-10-HZ) AND TEMPERATURE (4.7-500-K) [J].

DANNA, G ;

BENOIT, W .

REVIEW OF SCIENTIFIC INSTRUMENTS, 1990, 61 (12) :3821-3826

[7] EXPERIMENTAL-EVIDENCE OF A CROSSOVER IN THE PINNING OF VORTICES IN UNTWINNED SINGLE-CRYSTALS OF YBA2CU3O7-DELTA [J].

DANNA, G ;

BENOIT, W ;

SADOWSKI, W ;

WALKER, E .

EUROPHYSICS LETTERS, 1992, 20 (02) :167-173

[8]

DANNA G, IN PRESS

[9] ANISOTROPY OF GINZBURG-LANDAU PARAMETER K IN NBSE2 [J].

TREY, PD ;

GYGAX, S ;

JAN, JP .

JOURNAL OF LOW TEMPERATURE PHYSICS, 1973, 11 (3-4) :421-434

[10] OBSERVATION OF AN EXTENDED REGION OF MAGNETIC REVERSIBILITY IN NB AND NBSE2 [J].

DRULIS, H ;

XU, ZG ;

BRILL, JW ;

DELONG, LE ;

HOU, JC .

PHYSICAL REVIEW B, 1991, 44 (09) :4731-4734