About: Infrared phonon spectroscopy of a compressively strained (001) SrTiO3 film grown on a (110) NdGaO3 substrate

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Polarized infrared reflectivity was measured between 5 and 300 K on a 17 nm thick, 1.1% compressively strained epitaxial (001) SrTiO3 film and the orthorhombic (110) NdGaO3 substrate upon which it was grown. A strong in-plane IR anisotropy of the NdGaO3 substrate was observed and polar modes with B1u-and a mixture of B2u + B3u-symmetry were seen. At low temperatures three new modes arose in the 90–130 cm-1 range, which we assigned to 4f Nd electronic transitions. The in-plane SrTiO3 film phonons showed strong stiffening compared to the phonon frequencies of bulk SrTiO3 and the in-plane phonon peaks were found to split. No anomalies were detected as a function of temperature in either the IR response or lattice parameters of the compressively strained SrTiO3 film, providing an absence of evidence for the out-of-plane ferroelectric phase transition predicted by theory. Polarized infrared reflectivity was measured between 5 and 300 K on a 17 nm thick, 1.1% compressively strained epitaxial (001) SrTiO3 film and the orthorhombic (110) NdGaO3 substrate upon which it was grown. A strong in-plane IR anisotropy of the NdGaO3 substrate was observed and polar modes with B1u-and a mixture of B2u + B3u-symmetry were seen. At low temperatures three new modes arose in the 90–130 cm-1 range, which we assigned to 4f Nd electronic transitions. The in-plane SrTiO3 film phonons showed strong stiffening compared to the phonon frequencies of bulk SrTiO3 and the in-plane phonon peaks were found to split. No anomalies were detected as a function of temperature in either the IR response or lattice parameters of the compressively strained SrTiO3 film, providing an absence of evidence for the out-of-plane ferroelectric phase transition predicted by theory. (en)
Title	Infrared phonon spectroscopy of a compressively strained (001) SrTiO3 film grown on a (110) NdGaO3 substrate Infrared phonon spectroscopy of a compressively strained (001) SrTiO3 film grown on a (110) NdGaO3 substrate (en)
skos:prefLabel	Infrared phonon spectroscopy of a compressively strained (001) SrTiO3 film grown on a (110) NdGaO3 substrate Infrared phonon spectroscopy of a compressively strained (001) SrTiO3 film grown on a (110) NdGaO3 substrate (en)
skos:notation	RIV/68378271:_____/11:00359327!RIV12-AV0-68378271
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(GA202/09/0682), P(GAP204/10/0616), S, Z(AV0Z10100520), Z(MSM0021620834)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Petzelt, Jan Nuzhnyy, Dmitry Kamba, Stanislav
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	204818
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/11:00359327
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	infrared spectroscopy; strontium titanate; neodymium gallate; strained epitaxial film (en)
http://linked.open.../riv/klicoveSlovo	strontium titanate neodymium gallate strained epitaxial film infrared spectroscopy
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[D6D8033CD140]
http://linked.open...i/riv/nazevZdroje	Journal of Physics-Condensed Matter
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Dielectric spectroscopy and lattice dynamics of magnetoelectric multiferroics and strained ferroelectric thin films Modern piezoelectric perovskites: lattice vibrations and domain walls
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	23
http://linked.open...iv/tvurceVysledku	Kamba, Stanislav Martí, X. Nuzhnyy, Dmitry Schlom, D. G. Petzelt, Jan Brooks, C. M. Čechal, T.
http://linked.open...ain/vavai/riv/wos	000286142800022
http://linked.open...n/vavai/riv/zamer	Specific effects in condensed systems with reduced dimension and broken symmetry Condensed Matter Physics – New Materials and Technologies
issn	0953-8984
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1088/0953-8984/23/4/045901

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