Microwave properties of a composite superconducting structure in the mixed state

Chien Jang Wu

doi:10.1016/S0921-4534(98)00337-2

Microwave properties of a composite superconducting structure in the mixed state

Chien Jang Wu

光電工程學士學位學程

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

1 引文斯高帕斯（Scopus）

摘要

A theoretical study on microwave properties of a composite layered structure of twin high-T_c superconducting thin-films separated by a nonlinear dielectric is presented. Microwave reflectance and transmittance are calculated within the framework of the self-consistent treatment of vortex dynamics for the superconducting films in the mixed state. The effects of nonlinear field- and temperature-dependent dielectric permittivity of SrTiO₃ are specifically discussed. Two significant peaks arising from nonlinearity of the permittivity are found in the temperature-dependent microwave reflectance and transmittance. As for the field-dependent microwave response, we suggest that the strongly field-dependent nonlinear permittivity of SrTiO₃ at low temperature does not affect the microwave transmittance and reflectance.

原文	英語
頁（從 - 到）	293-300
頁數	8
期刊	Physica C: Superconductivity and its applications
卷	305
發行號	3-4
DOIs	https://doi.org/10.1016/S0921-4534(98)00337-2
出版狀態	已發佈 - 1998 九月 1

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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10.1016/S0921-4534(98)00337-2

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abstract = "A theoretical study on microwave properties of a composite layered structure of twin high-Tc superconducting thin-films separated by a nonlinear dielectric is presented. Microwave reflectance and transmittance are calculated within the framework of the self-consistent treatment of vortex dynamics for the superconducting films in the mixed state. The effects of nonlinear field- and temperature-dependent dielectric permittivity of SrTiO3 are specifically discussed. Two significant peaks arising from nonlinearity of the permittivity are found in the temperature-dependent microwave reflectance and transmittance. As for the field-dependent microwave response, we suggest that the strongly field-dependent nonlinear permittivity of SrTiO3 at low temperature does not affect the microwave transmittance and reflectance.",

keywords = "Microwave, Mixed state, Multilayers, Penetration depth",

author = "Wu, {Chien Jang}",

note = "Funding Information: Valuable discussion with Professor T.J. Yang is greatly appreciated. The work is supported by the National Science Council of the Republic of China under the contract no. NSC-87-2112-M-150-001. Copyright: Copyright 2018 Elsevier B.V., All rights reserved.",

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KW - Penetration depth

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