ULTRASONIC-ATTENUATION IN THE MIXED STATE OF HIGH-TC SUPERCONDUCTORS

被引：82

作者：

PANKERT, J

机构：

[1] Philips GmbH Forschungslaboratorium, Aachen

来源：

PHYSICA C | 1990年 / 168卷 / 3-4期

关键词：

D O I：

10.1016/0921-4534(90)90527-L

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In the mixed state of type II superconductors, flux lines interact with the crystal lattice via pinning. We demonstrate how this interaction results in a modified behaviour of the sound attenuation and dispersion, if the vortex dynamics is assumed to be described by thermally assisted flux flow. The attenuation can be determined from the DC resistance without any adjustable parameter, and therefore provides the basis for a novel test of the theory of flux motion in high-Tc superconductors. © 1990.

引用

页码：335 / 345

页数：11

共 38 条

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