About: Tensile strain induced changes in the optical spectra of SrTiO3 epitaxial thin films

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Effect of biaxial tensile strains on optical function and band edge transitions of ultra thin epitaxial films was studied using as an example a 13 nm thick SrTiO3 films deposited on KTaO3 (100) single crystal substrates. Optical functions in the 200–1200 nm spectral range were determined by spectroscopic ellipsometry technique. It was found that tensile strains result in a shift of the low energy band gap optical transitions to higher energies and decrease the refractive index in the visible region. The observed effect is connected with changes in the lowest conduction and in the top valence bands that are due to increase of the in-plane lattice constant and/or onset of the polar phase in the tensile-strain induced ultra-thin SrTiO3 films. Effect of biaxial tensile strains on optical function and band edge transitions of ultra thin epitaxial films was studied using as an example a 13 nm thick SrTiO3 films deposited on KTaO3 (100) single crystal substrates. Optical functions in the 200–1200 nm spectral range were determined by spectroscopic ellipsometry technique. It was found that tensile strains result in a shift of the low energy band gap optical transitions to higher energies and decrease the refractive index in the visible region. The observed effect is connected with changes in the lowest conduction and in the top valence bands that are due to increase of the in-plane lattice constant and/or onset of the polar phase in the tensile-strain induced ultra-thin SrTiO3 films. (en)
Title	Tensile strain induced changes in the optical spectra of SrTiO3 epitaxial thin films Tensile strain induced changes in the optical spectra of SrTiO3 epitaxial thin films (en)
skos:prefLabel	Tensile strain induced changes in the optical spectra of SrTiO3 epitaxial thin films Tensile strain induced changes in the optical spectra of SrTiO3 epitaxial thin films (en)
skos:notation	RIV/68378271:_____/10:00349835!RIV11-GA0-68378271
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1M06002), P(GA202/08/1009), P(KAN301370701), Z(AV0Z10100522)
http://linked.open...iv/cisloPeriodika	10
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Trepakov, Vladimír Jastrabík, Lubomír Chvostová, Dagmar Dejneka, Alexandr
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	292235
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/10:00349835
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	SrTiO3 epitaxial thin films; effect of biaxial tensile strains on optical spectra (en)
http://linked.open.../riv/klicoveSlovo	SrTiO3 epitaxial thin films effect of biaxial tensile strains on optical spectra
http://linked.open...odStatuVydavatele	RU - Ruská federace
http://linked.open...ontrolniKodProRIV	[7C7E1D78AEEB]
http://linked.open...i/riv/nazevZdroje	Physics of the Solid State
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Optical structures, detection systems and relevant technologies for low photon number applications Nanostructured Macroscopic Systems - Technology and Characterisation Characterization and technology of new perovskite structures
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	52
http://linked.open...iv/tvurceVysledku	Dejneka, Alexandr Jastrabík, Lubomír Trepakov, Vladimír Chvostová, Dagmar Tyunina, M. Levoska, J. Narkilahti, J.
http://linked.open...ain/vavai/riv/wos	000283096600012
http://linked.open...n/vavai/riv/zamer	Wave and Corpuscular Light Propagation, Optical Materials and Technology
issn	1063-7834
number of pages	8 (xsd:int)

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