About: Dielectric anisotropy in relaxor ferroelectric Pb0.775 La0.15(Zr0.4Ti0.6)O3 ceramics

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About: Dielectric anisotropy in relaxor ferroelectric Pb0.775 La0.15(Zr0.4Ti0.6)O3 ceramics Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Obrovská dielektrická anisotropie byla nalezena pomocí infračervené spektroskopie v keramice PLZT 15/40/60, v relaxorové i ve feroelektrické fázi. Roentgenova difrakční data odhalila lokální posun Pb atomů v rovině xy a jejich polohovou symetrii 4d, což vysvětluje pozorovanou aktivaci více fononů v infračervených spektrech. (cs) A huge dielectric anisotropy has been found in Pb0.775 La0.15(Zr0.4Ti0.6)O3 (PLZT 15/40/60) ceramics by analysis of infrared reflectivity spectra. Anisotropy is present in both the relaxor and the ferroelectric phases. X-ray structural analysis supports a local [110] shift of Pb cations and factor-group analysis taking into account the 4d site symmetry for the effective Pb/La atom gives more infrared and Raman active phonons than the previous published factor-group analysis, in agreement with our infrared data. A huge dielectric anisotropy has been found in Pb0.775 La0.15(Zr0.4Ti0.6)O3 (PLZT 15/40/60) ceramics by analysis of infrared reflectivity spectra. Anisotropy is present in both the relaxor and the ferroelectric phases. X-ray structural analysis supports a local [110] shift of Pb cations and factor-group analysis taking into account the 4d site symmetry for the effective Pb/La atom gives more infrared and Raman active phonons than the previous published factor-group analysis, in agreement with our infrared data. (en)
Title	Dielectric anisotropy in relaxor ferroelectric Pb0.775 La0.15(Zr0.4Ti0.6)O3 ceramics Dielectric anisotropy in relaxor ferroelectric Pb0.775 La0.15(Zr0.4Ti0.6)O3 ceramics (en) Dielektrická anisotropie v relaxorové feroelektrické keramice PlZT 15/40/60 (cs)
skos:prefLabel	Dielectric anisotropy in relaxor ferroelectric Pb0.775 La0.15(Zr0.4Ti0.6)O3 ceramics Dielectric anisotropy in relaxor ferroelectric Pb0.775 La0.15(Zr0.4Ti0.6)O3 ceramics (en) Dielektrická anisotropie v relaxorové feroelektrické keramice PlZT 15/40/60 (cs)
skos:notation	RIV/68378271:_____/07:00088509!RIV08-AV0-68378271
http://linked.open.../vavai/riv/strany	112909/1;112909/3
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA202/06/0403), P(IAA100100701), Z(AV0Z10100520), Z(MZP0002579801)
http://linked.open...iv/cisloPeriodika	11
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Petzelt, Jan Kamba, Stanislav Drahokoupil, Jan Buixaderas, Elena
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	417192
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/07:00088509
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	relaxors; ferroelectric ceramics; PLZT; infrared spectroscopy (en)
http://linked.open.../riv/klicoveSlovo	ferroelectric ceramics infrared spectroscopy relaxors PLZT
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[A58B55F1D929]
http://linked.open...i/riv/nazevZdroje	Applied Physics Letters
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Broad-band dielektric spectroscopy of relaxor ferroelectrics and multiferroics Lattice dynamics and dielectric behaviour of high permittivity ferroelectric and relaxor-ferroelectric perovskites
http://linked.open...UplatneniVysledku	2007
http://linked.open...v/svazekPeriodika	91
http://linked.open...iv/tvurceVysledku	Drahokoupil, Jan Kosec, M. Kamba, Stanislav Petzelt, Jan Buixaderas, Elena Laufek, F.
http://linked.open...n/vavai/riv/zamer	Specific effects in condensed systems with reduced dimension and broken symmetry Geosciences for the Society of the 21st Century: from regional research to geological hazards and global changes.
issn	0003-6951
number of pages	3 (xsd:int)

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