About: Structure and properties of a novel cobaltate La0.30CoO2.

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About: Structure and properties of a novel cobaltate La0.30CoO2. Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The layered cobaltate La0.30CoO2 was prepared from NaxCoO2 precursor by a solid-state ionic exchange and was characterized by means of X-ray and neutron diffraction,magnetic,thermalandelectric transport measurements.The compound consists of hexagonal sheets of edge-sharing CoO6 octahedra interleaved by lanthanum monolayers.Compared to Na+ in the parent system,the La3+ ions occupy only one-third of available sites,forming a 2 dimensional superstructure.The deviation from the ideal stoichiometry La1/3CoO2 introduces extra hole carriers into the diamagnetic LS Co3+ matrix making the sample Pauli paramagnetic.The temperature dependence of the electrical conductivity in La0.30CoO2 follows Mott´s T-1/3 law up to about 400K,which is in contrast with the standard metallic behavior in the Na+ homolog possessing the same formal doping.The experiments are complemented by electronic structure calculations for La0.30CoO2 and related NaxCoO2 systems. The layered cobaltate La0.30CoO2 was prepared from NaxCoO2 precursor by a solid-state ionic exchange and was characterized by means of X-ray and neutron diffraction,magnetic,thermalandelectric transport measurements.The compound consists of hexagonal sheets of edge-sharing CoO6 octahedra interleaved by lanthanum monolayers.Compared to Na+ in the parent system,the La3+ ions occupy only one-third of available sites,forming a 2 dimensional superstructure.The deviation from the ideal stoichiometry La1/3CoO2 introduces extra hole carriers into the diamagnetic LS Co3+ matrix making the sample Pauli paramagnetic.The temperature dependence of the electrical conductivity in La0.30CoO2 follows Mott´s T-1/3 law up to about 400K,which is in contrast with the standard metallic behavior in the Na+ homolog possessing the same formal doping.The experiments are complemented by electronic structure calculations for La0.30CoO2 and related NaxCoO2 systems. (en)
Title	Structure and properties of a novel cobaltate La0.30CoO2. Structure and properties of a novel cobaltate La0.30CoO2. (en)
skos:prefLabel	Structure and properties of a novel cobaltate La0.30CoO2. Structure and properties of a novel cobaltate La0.30CoO2. (en)
skos:notation	RIV/61389005:_____/11:00365147!RIV12-AV0-61389005
http://linked.open...avai/predkladatel	Ústav jaderné fyziky AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA202/09/0421), P(GA203/09/1036), Z(AV0Z10100521), Z(AV0Z10480505), Z(AV0Z40320502)
http://linked.open...iv/cisloPeriodika	8
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Beran, Přemysl
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	Ústav jaderné fyziky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	232784
http://linked.open...ai/riv/idVysledku	RIV/61389005:_____/11:00365147
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	thermoelectric cobaltates; LaxCoO; NaxCoO2; X-ray and neutron diffraction; LDA calculations (en)
http://linked.open.../riv/klicoveSlovo	LDA calculations LaxCoO NaxCoO2 X-ray and neutron diffraction thermoelectric cobaltates
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[A503C5897E6E]
http://linked.open...i/riv/nazevZdroje	Journal of Solid State Chemistry
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...vavai/riv/projekt	Magnetic polarons in cobaltites Thermoelectric cobaltites
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	184
http://linked.open...iv/tvurceVysledku	Beran, Přemysl Šantavá, Eva Knížek, Karel Jirák, Zdeněk Maryško, Miroslav Hejtmánek, Jiří Buršík, Josef Kirakci, Kaplan
http://linked.open...ain/vavai/riv/wos	000293802400049
http://linked.open...n/vavai/riv/zamer	Physics and technology of nanostructures, surfaces and thin films Jaderná fyzika a příbuzné obory v základním, aplikovaném a interdisciplinárním výzkumu Design, syntéza a charakterizace klastrů, kompozitů, komplexů a dalších sloučenin na bázi anorganických látek; mechanismy a kinetika jejich interakcí
issn	0022-4596
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.jssc.2011.06.021
is http://linked.open...avai/riv/vysledek of	Structure and properties of a novel cobaltate La0.30CoO2. Structure and properties of a novel cobaltate La0.30CoO2.

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