About: Ferroelastic domain walls in barium titanate - quantitative phenomenological model

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Byly provedeny simulace analytické výpočty vlastností devadesátistupňových a stoosmdesátistupňových doménových stěn v BaTiO3. (cs) Properties of ferroelecric domain walls corresponding to rotations of the spontaneous electric polarization by 90 or 180 degrees are investigated in the framework of material-specific generalized Ginzburg-Landau-Devonshire model involving long-range dipole-dipole interactions. Thickness and surface energy for these domain walls in the tetragonal and the orthorhombic phases of BaTiO3 are evaluated in the charge-free approximation using model parameters determined from independent experiments. Both types of domain walls occur spontaneously in domain pattern simulations, although in the orthorhombic phase the 180-degree domain walls are very rare. The simulated domain patterns and domain wall properties are discussed and the relation to the pronounced anisotropy of the gradient term is pointed out. Properties of ferroelecric domain walls corresponding to rotations of the spontaneous electric polarization by 90 or 180 degrees are investigated in the framework of material-specific generalized Ginzburg-Landau-Devonshire model involving long-range dipole-dipole interactions. Thickness and surface energy for these domain walls in the tetragonal and the orthorhombic phases of BaTiO3 are evaluated in the charge-free approximation using model parameters determined from independent experiments. Both types of domain walls occur spontaneously in domain pattern simulations, although in the orthorhombic phase the 180-degree domain walls are very rare. The simulated domain patterns and domain wall properties are discussed and the relation to the pronounced anisotropy of the gradient term is pointed out. (en)
Title	Ferroelastic domain walls in barium titanate - quantitative phenomenological model Ferroelastic domain walls in barium titanate - quantitative phenomenological model (en) Feroelastické doménové stěny v titanátu bária - kvantitativní fenomenologický model (cs)
skos:prefLabel	Ferroelastic domain walls in barium titanate - quantitative phenomenological model Ferroelastic domain walls in barium titanate - quantitative phenomenological model (en) Feroelastické doménové stěny v titanátu bária - kvantitativní fenomenologický model (cs)
skos:notation	RIV/68378271:_____/09:00322239!RIV09-AV0-68378271
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1ET300100401), P(GA202/06/0411), P(GD202/05/H003), Z(AV0Z10100520)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2009
http://linked.open...aciTvurceVysledku	Hlinka, Jiří Marton, Pavel
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	314869
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/09:00322239
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ferroelectric and ferroelastic domains; BaTiO3; Ginzburg-Landau theory (en)
http://linked.open.../riv/klicoveSlovo	Ginzburg-Landau theory ferroelectric and ferroelastic domains BaTiO3
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[7496A8C24713]
http://linked.open...i/riv/nazevZdroje	Integrated Ferroelectrics
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Developing of matematerials and rezonant structures for communication technologie in the terahertz range Physics of complex condensed systems Domain phenomena in ferroic crystals
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	101
http://linked.open...iv/tvurceVysledku	Hlinka, Jiří Marton, Pavel
http://linked.open...ain/vavai/riv/wos	000261941900008
http://linked.open...n/vavai/riv/zamer	Specific effects in condensed systems with reduced dimension and broken symmetry
issn	1058-4587
number of pages	13 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Ferroelastic domain walls in barium titanate - quantitative phenomenological model Ferroelastic domain walls in barium titanate - quantitative phenomenological model

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