Luminescence in undoped and Nb-doped SrTiO3 crystals: Bulk and surface emission

Shabnam Dadgostar, Jose Luis Pura Ruiz,Jorge Serrano Gutierrez,Bruno Lepine,Philippe Schieffer,Juan Jimenez

Materials Science and Engineering: B（2022）

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摘要

•Cathodoluminescence and photoluminescence of undoped and Nb-doped SrTiO3 crystals.•Bulk vs surface luminescence emissions.•Luminescence emission in plastically deformed SrTiO3 crystals.•Raman and luminescence study of Cr related emission.•Interpretation of the main luminescence bands.

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关键词

Strontium titanate,Cathodoluminescence,Photoluminescence,Self-trapped holes,Small polaron

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