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Growth mechanism and electrical transport properties of superconducting yttrium barium(2) copper(3) oxygen(7-x) thin films grown by pulsed-laser ablation.

机译：通过脉冲激光烧蚀生长的超导钇钡（2）铜（3）氧（7-x）薄膜的生长机理和电传输性质。

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he growth mechanism and electrical transport properties of YBa;The transport properties of these as-grown epitaxial YBCO thin films have been described in terms of thermally activated flux motion. The analysis employs a pinning potential that depends on the current density J, the temperature T, and the applied magnetic field B. These dependencies are determined from a range of measurements: the activated resistivity for fields ;After studying heavy-ion irradiated YBCO films, we observed that the irreversibility line shifts close to the flux-melting line, i.e., the thermally activated flux flow (TAFF) region is reduced, and the glassy region is also extended because of strong pinning. Using Brandt's flux depinning model, the pinning potential U and depinning current density

机译：YBa的生长机理和电输运性能。这些生长的外延YBCO薄膜的输运性能已通过热活化磁通运动进行了描述。该分析采用的钉扎电位取决于电流密度J，温度T和所施加的磁场B。这些依赖关系可通过以下测量范围确定：电场的激活电阻率；研究重离子辐照的YBCO薄膜后，我们观察到不可逆线向熔剂熔化线附近移动，即，由于强烈的钉扎作用，热活化的磁通量流（TAFF）区域减少了，而玻璃状区域也扩展了。使用Brandt的磁通钉扎模型，钉扎电位U和钉扎电流密度

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作者
Zhu, Shen.;
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作者单位

The University of Tennessee.;

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授予单位 The University of Tennessee.;
学科 Physics Condensed Matter.;Chemistry Physical.
学位 Ph.D.
年度 1993
页码 135 p.
总页数 135
原文格式 PDF
正文语种 eng
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6. Transport and microwave properties of yttrium barium(2) copper(3) oxygen(7-x) superconducting films. [D] . Jiang, Hua. 1992

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8. Spray pyrolysis processing of yttrium-barium-copper-oxide and bismuth-strontium-calcium-copper-oxide superconducting thin films [O] . Bania William Roger 1964- 1989

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9. Property and microstructural nonuniformity in the yttrium-barium-copper-oxide superconductor determined from electrical, magnetic, and ultrasonic measurements [R] . Roth, Don J. 1991

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Growth mechanism and electrical transport properties of superconducting yttrium barium(2) copper(3) oxygen(7-x) thin films grown by pulsed-laser ablation.

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