About: Influence of surface and finite size effects on the structural and magnetic properties of nanocrystalline lanthanum strontium perovskite manganites

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About: Influence of surface and finite size effects on the structural and magnetic properties of nanocrystalline lanthanum strontium perovskite manganites Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Syntheses of nanocrystalline perovskite phases of the general formula La1-xSrxMnO3+δ were carried out employing sol–gel technique followed by thermal treatment at 700–900 °C under oxygen flow. The prepared samples exhibit a rhombohedral structure with space group R3c source in the whole investigated range of composition 0.20x0.45. The studies were aimed at the chemical composition including oxygen stoichiometry and extrinsic properties, i.e. size of the particles, both influencing the resulting structural and magnetic properties. The oxygen stoichiometry was determined by chemical analysis revealing oxygen excess in most of the studied phases. The excess was particularly high for the samples with the smallest crystallites (12–28 nm) while comparative bulk materials showed moderate non-stoichiometry. Syntheses of nanocrystalline perovskite phases of the general formula La1-xSrxMnO3+δ were carried out employing sol–gel technique followed by thermal treatment at 700–900 °C under oxygen flow. The prepared samples exhibit a rhombohedral structure with space group R3c source in the whole investigated range of composition 0.20x0.45. The studies were aimed at the chemical composition including oxygen stoichiometry and extrinsic properties, i.e. size of the particles, both influencing the resulting structural and magnetic properties. The oxygen stoichiometry was determined by chemical analysis revealing oxygen excess in most of the studied phases. The excess was particularly high for the samples with the smallest crystallites (12–28 nm) while comparative bulk materials showed moderate non-stoichiometry. (en)
Title	Influence of surface and finite size effects on the structural and magnetic properties of nanocrystalline lanthanum strontium perovskite manganites Influence of surface and finite size effects on the structural and magnetic properties of nanocrystalline lanthanum strontium perovskite manganites (en)
skos:prefLabel	Influence of surface and finite size effects on the structural and magnetic properties of nanocrystalline lanthanum strontium perovskite manganites Influence of surface and finite size effects on the structural and magnetic properties of nanocrystalline lanthanum strontium perovskite manganites (en)
skos:notation	RIV/68378271:_____/13:00422242!RIV14-GA0-68378271
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(GAP108/11/0807), S
http://linked.open...iv/cisloPeriodika	AUG
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Knížek, Karel Kaman, Ondřej Pollert, Emil Veverka, Miroslav Veverka, Pavel Závěta, Karel
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	79949
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/13:00422242
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	nanoparticles; manganese perovskites; Curie temperature (en)
http://linked.open.../riv/klicoveSlovo	nanoparticles manganese perovskites Curie temperature
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[02A2769AD8A8]
http://linked.open...i/riv/nazevZdroje	Journal of Solid State Chemistry
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	10 (xsd:int)
http://linked.open...vavai/riv/projekt	Complex magnetic nanoparticles with monodisperse oxide cores and stable organic corona for biological research and biomedical applications
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	204
http://linked.open...iv/tvurceVysledku	Král, V. Kaman, Ondřej Knížek, Karel Závěta, Karel Žvátora, P. Pollert, Emil Veverka, Miroslav Veverka, Pavel Duguet, E. Goglio, G.
http://linked.open...ain/vavai/riv/wos	000322932600056
issn	0022-4596
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.jssc.2013.06.006

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