Optical probing of the inhomogeneous gap distribution in nonequilibrium superconductors

The laser beam scanning method has been applied to study a spatial gap distribution in nonequilibrium superconducting films. The small gap region locates around the center of the junction area and its extreme splits into two parts. The large gap lies in the circumferential region.

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Bibliographic Details
Published inSolid state communications Vol. 50; no. 6; pp. 553 - 555
Main Authors Nisida, Y., Nishimura, T., Nishiura, A., Iguchi, I.
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 01.01.1984
Elsevier
Subjects
Analysing. Testing. Standards
Applied sciences
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Cross-disciplinary physics: materials science; rheology
Exact sciences and technology
Materials science
Measurement of properties and materials state
Metals, semimetals and alloys
Metals. Metallurgy
Nondestructive testing
Physics
Proximity effects, weak links, tunneling phenomena, and josephson effects, adreev effect, sn and sns junctions
Specific materials
Superconductivity
Quasiparticle
Energy gap
Spatial distribution
Voltage current curve
Non equilibrium system
Laser
Superconductivity
Very low temperature
Tunnel junction
Experimental study
Thin film
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Summary:The laser beam scanning method has been applied to study a spatial gap distribution in nonequilibrium superconducting films. The small gap region locates around the center of the junction area and its extreme splits into two parts. The large gap lies in the circumferential region.
ISSN:0038-1098
1879-2766
DOI:10.1016/0038-1098(84)90328-4