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Statements

Subject Item
n2:RIV%2F68378271%3A_____%2F10%3A00349835%21RIV11-GA0-68378271
rdf:type
skos:Concept n18:Vysledek
dcterms: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.
dcterms: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
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
skos:notation
RIV/68378271:_____/10:00349835!RIV11-GA0-68378271
n3:aktivita
n9:Z n9:P
n3:aktivity
P(1M06002), P(GA202/08/1009), P(KAN301370701), Z(AV0Z10100522)
n3:cisloPeriodika
10
n3:dodaniDat
n5:2011
n3:domaciTvurceVysledku
n14:5193222 Dejneka, Alexandr n14:7247109 n14:6208991
n3:druhVysledku
n17:J
n3:duvernostUdaju
n6:S
n3:entitaPredkladatele
n12:predkladatel
n3:idSjednocenehoVysledku
292235
n3:idVysledku
RIV/68378271:_____/10:00349835
n3:jazykVysledku
n16:eng
n3:klicovaSlova
SrTiO3 epitaxial thin films; effect of biaxial tensile strains on optical spectra
n3:klicoveSlovo
n4:effect%20of%20biaxial%20tensile%20strains%20on%20optical%20spectra n4:SrTiO3%20epitaxial%20thin%20films
n3:kodStatuVydavatele
RU - Ruská federace
n3:kontrolniKodProRIV
[7C7E1D78AEEB]
n3:nazevZdroje
Physics of the Solid State
n3:obor
n13:BM
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
7
n3:projekt
n10:1M06002 n10:KAN301370701 n10:GA202%2F08%2F1009
n3:rokUplatneniVysledku
n5:2010
n3:svazekPeriodika
52
n3:tvurceVysledku
Jastrabík, Lubomír Levoska, J. Chvostová, Dagmar Dejneka, Alexandr Narkilahti, J. Trepakov, Vladimír Tyunina, M.
n3:wos
000283096600012
n3:zamer
n15:AV0Z10100522
s:issn
1063-7834
s:numberOfPages
8