Publication | Closed Access
Far-Infrared Reflectivity and Dynamical Conductivity of an Epitaxial YBa <sub>2</sub> Cu <sub>3</sub> O <sub>7-δ</sub> Thin Film
111
Citations
15
References
1989
Year
Superconducting MaterialOptical MaterialsEngineering/Kb TcSemiconductorsOptical PropertiesSuperconductivityHigh Tc SuperconductorsEpitaxial GrowthFar-infrared ReflectivityMaterials ScienceHigh-tc SuperconductivityPhysicsYba2cu3o7-δ Thin FilmSemiconductor MaterialApplied PhysicsCondensed Matter PhysicsDynamical ConductivityThin Films
We report on measurements of the far-infrared reflectivity of an epitaxial, oriented YBa2Cu3O7-δ thin film for radiation with the electric-field vector parallel to the crystal (a, b)-plane and present an analysis that delivers evidence for two different superconducting energy gaps, with 2Δ(0)/kB Tc ≈ 1.9 and ≈ 5.8.
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