VORTEX DYNAMICS AT MICROWAVE-FREQUENCIES IN PATTERNED YBA2CU3O7-DELTA THIN-FILMS

被引：12

作者：

WILLEMSEN, BA ^{[1
]}

SRIDHAR, S ^{[1
]}

DEROV, JS ^{[1
]}

SILVA, JH ^{[1
]}

机构：

[1] ROME LAB,BEDFORD,MA 01731

来源：

APPLIED PHYSICS LETTERS | 1995年 / 67卷 / 04期

关键词：

D O I：

10.1063/1.115166

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

YBa2Cu3O7-delta thin films patterned in the form of a meander line resonant structure, are used as a sensitive probe of vortex dynamics at microwave frequencies. The experiments enable highly sensitive measurements of the complex microwave surface impedance Z(s)(omega,T,H) of YBa2CU3O7-delta as a function of applied de magnetic field, temperature, and frequency. The Z(s)(H, T) versus H data yield direct experimental results for the vortex viscosity and pinning force constant, which are compared with microscopic theory. (C) 1995 American Institute of Physics.

引用

页码：551 / 553

页数：3

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