Ferroelectrics · 1974 · 13 citations · 4 references
Natural SciencesMaterials SciencePhysicsCondensed Matter PhysicsOptical MaterialsSolid State PhysicsElectrical Properties Of CeramicsOptical Properties Of SolidsPerovskite MaterialsBarium TitanateOptical PropertiesPolaron TheoryStrontium Barium TitanateTemperature DependenceTemperature Dependence MeasurementTemperature Dependence Of Electrical Properties
The anisotropy and the temperature dependence of the frequency and absorption value were measured in conducting BaTiO3 for the line connected with the polaron absorption (δ ∽ 2 μm). It is shown that the results can be explained within the limits of the small-radius polaron model.
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The small polaron problem and optical effects in barium titanate
P. Gerthsen, R. H. Groth, Karl Heinz Härdtl et al. · Solid State Communications · 1965 · 48 citations