Origin of photoluminescence in SrTiO 3: a combined experimental and theoretical study
A joint experimental and theoretical study has been carried out to rationalize the photoluminescence properties of SrTiO 3 perovskite thin films synthesized through a soft chemical processing. Only the amorphous samples present photoluminescence at room temperature. From the theoretical side, first...
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Published in | Journal of solid state chemistry Vol. 177; no. 11; pp. 3879 - 3885 |
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Main Authors | , , , , , , , , , |
Format | Journal Article |
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Elsevier Inc
01.11.2004
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Abstract | A joint experimental and theoretical study has been carried out to rationalize the photoluminescence properties of SrTiO
3 perovskite thin films synthesized through a soft chemical processing. Only the amorphous samples present photoluminescence at room temperature. From the theoretical side, first principles quantum mechanical techniques, based on density functional theory at B3LYP level, have been employed to study the electronic structure of a crystalline (ST-c) and an asymmetric (ST-a) model. Electronic properties are analyzed in the light of the experimental results and their relevance in relation to the PL behavior of ST is discussed.
Polaron-induced photoluminescence.
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AbstractList | A joint experimental and theoretical study has been carried out to rationalize the photoluminescence properties of SrTiO
3 perovskite thin films synthesized through a soft chemical processing. Only the amorphous samples present photoluminescence at room temperature. From the theoretical side, first principles quantum mechanical techniques, based on density functional theory at B3LYP level, have been employed to study the electronic structure of a crystalline (ST-c) and an asymmetric (ST-a) model. Electronic properties are analyzed in the light of the experimental results and their relevance in relation to the PL behavior of ST is discussed.
Polaron-induced photoluminescence.
[Display omitted] |
Author | Orhan, Emmanuelle Pinheiro, Carlos D. Pizani, Paulo S. Andrés, Juan Boschi, Tania M. Beltrán, Armando Varela, José A. Longo, Elson Leite, Edson R. Pontes, Fenelon M. |
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Keywords | Thin films SrTiO 3 Periodic calculation Perovskite Electronic structure DFT Interplay theory experiment Photoluminescence |
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Snippet | A joint experimental and theoretical study has been carried out to rationalize the photoluminescence properties of SrTiO
3 perovskite thin films synthesized... |
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SubjectTerms | DFT Electronic structure Interplay theory experiment Periodic calculation Perovskite Photoluminescence SrTiO 3 Thin films |
Title | Origin of photoluminescence in SrTiO 3: a combined experimental and theoretical study |
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