INFLUENCE OF PROCESSING ON THE LOW-FIELD MAGNETIC PHASE-DIAGRAM OF HIGH-TEMPERATURE SUPERCONDUCTORS

被引：5

作者：

MEHDAOUI, A ^{[1
]}

BOLMONT, D ^{[1
]}

DANESI, P ^{[1
]}

BOURGAULT, D ^{[1
]}

LOEGEL, B ^{[1
]}

机构：

[1] CNRS,CTR RECH TRES BASSES TEMP,F-38042 GRENOBLE,FRANCE

来源：

SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 1993年 / 6卷 / 05期

关键词：

D O I：

10.1088/0953-2048/6/5/003

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Low AC field magnetic phase diagrams in the (h(AC), T) plane have been deduced from AC susceptibility measurements for YBa2Cu3O7-delta sintered polycrystals, magnetically melt-textured polycrystals and single crystals. It is shown that dissipative regimes appear in all cases above a critical line located well below the irreversibility line, and the strongest shifts of the critical line against the irreversibility line are observed in magnetically melt-textured polycrystals. The relative positions of the irreversibility lines show that the increase of j(c) in magnetically melt-textured polycrystals is relevant to the creation of pinning sites with high activation energies.

引用

页码：322 / 326

页数：5

共 31 条

[11] STRONG SHIFT OF THE IRREVERSIBILITY LINE IN BISMUTH AND THALLIUM BASED 2212 HTSC SINGLE-CRYSTALS IRRADIATED BY 6.0 GEV PB IONS [J].

HARDY, V ;

PROVOST, J ;

GROULT, D ;

HERVIEU, M ;

RAVEAU, B ;

DURCOK, S ;

POLLERT, E ;

FRISON, JC ;

CHAMINADE, JP ;

POUCHARD, M .

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 1992, 191 (1-2) :85-96

[12] FLUX LATTICE MELTING IN HIGH-TC SUPERCONDUCTORS [J].

HOUGHTON, A ;

PELCOVITS, RA ;

SUDBO, A .

PHYSICAL REVIEW B, 1989, 40 (10) :6763-6770

[13] THERMALLY ASSISTED FLUX FLOW AT SMALL DRIVING FORCES [J].

KES, PH ;

AARTS, J ;

VANDENBERG, J ;

VANDERBEEK, CJ ;

MYDOSH, JA .

SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 1989, 1 (05) :242-248

[14]

KOWK WK, 1992, HITH TEMPERATURE SUP

[15]

LEES MR, 1993, UNPUB PHIL MAG B

[16] QUALITY OF HIGH-TEMPERATURE SUPERCONDUCTING POLYCRYSTALS AND SINGLE-CRYSTALS IN RELATION TO THEIR CRITICAL DYNAMIC FIELD [J].

LOEGEL, B ;

MEHDAOUI, A ;

BOLMONT, D ;

ECKHARDT, A ;

MULLER, F .

CRYOGENICS, 1990, 30 (07) :623-627

[17] THE INFLUENCE OF THERMAL TREATMENTS, FABRICATION METHODS AND SHAPES ON THE MAGNETIC TRANSITION OF HIGH-TEMPERATURE SUPERCONDUCTING COMPOUNDS [J].

LOEGEL, B ;

BOLMONT, D ;

MEHDAOUI, A .

PHYSICA C, 1991, 179 (1-3) :15-21

[18]

LOEGEL B, 1989, PHYSICA C, P667

[19]

MATSUSHITA T, 1991, 4TH P INT S SUP TOK

[20] DEFINING THE QUALITY OF A HIGH-TC SUPERCONDUCTOR [J].

MEHDAOUI, A ;

LOEGEL, B ;

BOLMONT, D .

JOURNAL OF APPLIED PHYSICS, 1989, 66 (03) :1497-1500

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