PINNING BY OXYGEN VACANCIES IN HIGH-TC SUPERCONDUCTORS

被引：71

作者：

CHUDNOVSKY, EM ^{[1
]}

机构：

[1] CUNY HERBERT H LEHMAN COLL,DEPT PHYS,BRONX,NY 10468

来源：

PHYSICAL REVIEW LETTERS | 1990年 / 65卷 / 24期

关键词：

D O I：

10.1103/PhysRevLett.65.3060

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

It is shown that recent data of Murray et al. on spatial correlations in flux lattices of Bi-Sr-Ca-Cu-O (BSCCO) may be explained if one assumes that 1% of oxygen atoms in CuO2 layers are missing. This estimate, being in remarkable agreement with that deduced by Kes and van der Beek from ac-susceptibility measurements, provides strong confidence that oxygen vacancies are the major source of pinning in BSCCO. © 1990 The American Physical Society.

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页码：3060 / 3062

页数：3

相关论文

共 17 条

[1] THERMAL FLUCTUATION AND MELTING OF THE VORTEX LATTICE IN OXIDE SUPERCONDUCTORS [J].

BRANDT, EH .

PHYSICAL REVIEW LETTERS, 1989, 63 (10) :1106-1109

[2] THE FLUX-LINE LATTICE IN TYPE-II SUPERCONDUCTORS [J].

BRANDT, EH ;

ESSMANN, U .

PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS, 1987, 144 (01) :13-38

[3] HEXATIC VORTEX GLASS IN DISORDERED SUPERCONDUCTORS [J].

CHUDNOVSKY, EM .

PHYSICAL REVIEW B, 1989, 40 (16) :11355-11357

[4]

CHUDNOVSKY EM, IN PRESS

[5] VORTEX STRUCTURE IN YBA2CU3O7 AND EVIDENCE FOR INTRINSIC PINNING [J].

DOLAN, GJ ;

CHANDRASHEKHAR, GV ;

DINGER, TR ;

FEILD, C ;

HOLTZBERG, F .

PHYSICAL REVIEW LETTERS, 1989, 62 (07) :827-830

[6] THEORY OF COLLECTIVE FLUX CREEP [J].

FEIGELMAN, MV ;

GESHKENBEIN, VB ;

LARKIN, AI ;

VINOKUR, VM .

PHYSICAL REVIEW LETTERS, 1989, 63 (20) :2303-2306

[7] EVIDENCE FROM MECHANICAL MEASUREMENTS FOR FLUX-LATTICE MELTING IN SINGLE-CRYSTAL YBA2CU3O7 AND BI2.2SR2CA0.8CU2O8 [J].

GAMMEL, PL ;

SCHNEEMEYER, LF ;

WASZCZAK, JV ;

BISHOP, DJ .

PHYSICAL REVIEW LETTERS, 1988, 61 (14) :1666-1669

[8] OBSERVATION OF HEXAGONALLY CORRELATED FLUX QUANTA IN YBA2CU3O7 [J].

GAMMEL, PL ;

BISHOP, DJ ;

DOLAN, GJ ;

KWO, JR ;

MURRAY, CA ;

SCHNEEMEYER, LF ;

WASZCZAK, JV .

PHYSICAL REVIEW LETTERS, 1987, 59 (22) :2592-2595

[9] THEORY OF 2-DIMENSIONAL MELTING [J].

HALPERIN, BI ;

NELSON, DR .

PHYSICAL REVIEW LETTERS, 1978, 41 (02) :121-124

[10]

KES PH, 1990, IN PRESS MAY P ICMC