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Statements

Subject Item
n2:RIV%2F68378271%3A_____%2F13%3A00399098%21RIV15-GA0-68378271
rdf:type
skos:Concept n15:Vysledek
rdfs:seeAlso
http://dx.doi.org/10.1063/1.4822108
dcterms:description
The optical properties of epitaxial perovskite-structure relaxor ferroelectric PbSc0.5Nb0.5O3 thin films are studied in broad spectral and temperature ranges by variable-angle spectroscopic ellipsometry. The films possess a metrically tetragonal crystal structure with a biaxial in-plane compressive strain of 0.1%–0.8%. The optical constants of the films with thickness of 10–50nm are determined accurately using the advanced ellipsometry technique. The dramatic changes in the spectra of the dielectric functions and the absorption coefficient are found under various strain conditions. The characteristic energies of the spectra, including the bandgaps, vary by 0.1–0.5 eV. A frustration of the ferroelectric phase transition is evidenced by thermo-optical studies. A complex relationship between strain, polarization, and optical properties is discussed in terms of possible ionic displacements in metrically tetragonal PbSc0.5Nb0.5O3 films. The optical properties of epitaxial perovskite-structure relaxor ferroelectric PbSc0.5Nb0.5O3 thin films are studied in broad spectral and temperature ranges by variable-angle spectroscopic ellipsometry. The films possess a metrically tetragonal crystal structure with a biaxial in-plane compressive strain of 0.1%–0.8%. The optical constants of the films with thickness of 10–50nm are determined accurately using the advanced ellipsometry technique. The dramatic changes in the spectra of the dielectric functions and the absorption coefficient are found under various strain conditions. The characteristic energies of the spectra, including the bandgaps, vary by 0.1–0.5 eV. A frustration of the ferroelectric phase transition is evidenced by thermo-optical studies. A complex relationship between strain, polarization, and optical properties is discussed in terms of possible ionic displacements in metrically tetragonal PbSc0.5Nb0.5O3 films.
dcterms:title
Optical properties of epitaxial relaxor ferroelectric PbSc0.5Nb0.5O3 films Optical properties of epitaxial relaxor ferroelectric PbSc0.5Nb0.5O3 films
skos:prefLabel
Optical properties of epitaxial relaxor ferroelectric PbSc0.5Nb0.5O3 films Optical properties of epitaxial relaxor ferroelectric PbSc0.5Nb0.5O3 films
skos:notation
RIV/68378271:_____/13:00399098!RIV15-GA0-68378271
n3:aktivita
n14:S n14:P n14:I
n3:aktivity
I, P(GAP108/12/1941), S
n3:cisloPeriodika
13
n3:dodaniDat
n5:2015
n3:domaciTvurceVysledku
n11:1722247 n11:7160534 Dejneka, Alexandr Tyunina, Marina n11:7895712 n11:8947732 n11:6208991
n3:druhVysledku
n19:J
n3:duvernostUdaju
n13:S
n3:entitaPredkladatele
n10:predkladatel
n3:idSjednocenehoVysledku
94238
n3:idVysledku
RIV/68378271:_____/13:00399098
n3:jazykVysledku
n18:eng
n3:klicovaSlova
relaxor; ferroelectric; epitaxial films
n3:klicoveSlovo
n7:relaxor n7:epitaxial%20films n7:ferroelectric
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[DA98FC902A5F]
n3:nazevZdroje
Applied Physics Letters
n3:obor
n16:BM
n3:pocetDomacichTvurcuVysledku
7
n3:pocetTvurcuVysledku
7
n3:projekt
n8:GAP108%2F12%2F1941
n3:rokUplatneniVysledku
n5:2013
n3:svazekPeriodika
103
n3:tvurceVysledku
Kocourek, Tomáš Chvostová, Dagmar Tyunina, Marina Jelínek, Miroslav Dejneka, Alexandr Pacherová, Oliva Lynnyková, Anna
n3:wos
000325284500058
s:issn
0003-6951
s:numberOfPages
4
n17:doi
10.1063/1.4822108