Optical revelation of defects in epitaxial barium titanate films

Author:

Tyunina M.12345ORCID,Chvostova D.567,Dejneka A.567

Affiliation:

1. Microelectronics Research Unit

2. Faculty of Information Technology and Electrical Engineering

3. University of Oulu

4. Finland

5. Institute of Physics of the Czech Academy of Sciences

6. 18221 Prague

7. Czech Republic

Abstract

Defect oxygen-vacancy complexes manifest themselves by near-gap optical transition and bandgap widening in epitaxial ferroelectric BaTiO3 films.

Funder

Grantová Agentura České Republiky

Ministerstvo Školství, Mládeže a Tělovýchovy

Publisher

Royal Society of Chemistry (RSC)

Subject

Physical and Theoretical Chemistry,General Physics and Astronomy

Reference33 articles.

1. Epitaxial Growth of Complex Metal Oxides , ed. G. Koster , M. Huijben and G. Rijnders , Woodhead Publishing , Cambridge , 2015

2. Multifunctional Oxide Heterostructures , ed. E. Y. Tsymbal , E. R. A. Dagotto , C.-B. Eom and R. Ramesh , Oxford University Press , Oxford , 2012

3. Oxygen-vacancy-related low-frequency dielectric relaxation and electrical conduction inBi:SrTiO3

4. BaTiO3thin films grown on SrTiO3substrates by a molecular-beam-epitaxy method using oxygen radicals

5. Thickness and oxygen pressure dependent structural characteristics of BaTiO3 thin films grown by laser molecular beam epitaxy

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