physica status solidi (b) · 1971 · 49 citations · 8 references
Natural SciencesMaterials SciencePhysicsCondensed Matter PhysicsMaterials PhysicsSolid State PhysicsElectrical Properties Of CeramicsOptical Properties Of SolidsThermoelectric MaterialsBarium TitanateConcentration DependenceLight AbsorptionStrontium Barium TitanateTemperature Dependence Of Electrical PropertiesThermoelectric Properties
Abstract The light absorption and concentration dependence of the thermopower in BaTiO 3 conducting single crystals were investigated. The absorption peak at Λ = 2 μm is interpreted as due to small polaron absorption. A quantitative comparison is made between theory and experiment.
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Mobility of Slow Electrons in a Polar Crystal
Richard P. Feynman, R. W. Hellwarth, C. K. Iddings et al. · Physical Review · 1962 · 406 citations
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