Angular dependence of microwave transmission and reflection of type-II superconducting film in the mixed state

Research output: Contribution to journalArticle

Abstract

By using the phenomenological theory of vortex dynamics, we have extended the microwave transmission and reflection of a type-II superconducting film to a complicating case with an oblique applied static magnetic field. We have calculated the microwave transmittance and reflectance as functions of the static field's magnitude and angle Ψ relative to the normal of superconductor surface, and the angle α defined by the plane containing the surface normal and static magnetic field relative to the incident microwave field. Numerical results illustrate that the microwave properties are essentially independent of Ψ when α = 0°, and also independent of α when Ψ = 0°, respectively. Moreover, they are affected substantially as Ψ and α increase, especially at 90°.

Original languageEnglish
Pages (from-to)39-48
Number of pages10
JournalPhysica C: Superconductivity and its applications
Volume321
Issue number1
DOIs
Publication statusPublished - 1999 Aug 1

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microwave transmission
Superconducting films
Wave transmission
superconducting films
Microwaves
microwaves
Magnetic fields
magnetic fields
transmittance
vortices
Superconducting materials
reflectance
Vortex flow

ASJC Scopus subject areas

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

Cite this

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abstract = "By using the phenomenological theory of vortex dynamics, we have extended the microwave transmission and reflection of a type-II superconducting film to a complicating case with an oblique applied static magnetic field. We have calculated the microwave transmittance and reflectance as functions of the static field's magnitude and angle Ψ relative to the normal of superconductor surface, and the angle α defined by the plane containing the surface normal and static magnetic field relative to the incident microwave field. Numerical results illustrate that the microwave properties are essentially independent of Ψ when α = 0°, and also independent of α when Ψ = 0°, respectively. Moreover, they are affected substantially as Ψ and α increase, especially at 90°.",
author = "Chien-Jang Wu",
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AB - By using the phenomenological theory of vortex dynamics, we have extended the microwave transmission and reflection of a type-II superconducting film to a complicating case with an oblique applied static magnetic field. We have calculated the microwave transmittance and reflectance as functions of the static field's magnitude and angle Ψ relative to the normal of superconductor surface, and the angle α defined by the plane containing the surface normal and static magnetic field relative to the incident microwave field. Numerical results illustrate that the microwave properties are essentially independent of Ψ when α = 0°, and also independent of α when Ψ = 0°, respectively. Moreover, they are affected substantially as Ψ and α increase, especially at 90°.

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