About: Structure and properties of novel cobaltates Ln0.3CoO2 (Ln = La, Pr, and Nd)

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About: Structure and properties of novel cobaltates Ln0.3CoO2 (Ln = La, Pr, and Nd) Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Layered cobaltates LnxCoO2 (Ln=La, Pr, Nd; x 0.30), isostructural with well known thermoelectrics NaxCoO2, have been characterized by diffraction methods and probed by the electric transport, magnetic and heat capacity measurements. The thermopower increases with temperature and saturates above room temperature at a large value 175 lV=K. The conductivity is affected by occupational disorder and follows Mott’s T-1/n law. The main attention is given to Pr0.3CoO2 and Nd0.3CoO2, in which the spins of hole carriers in the CoO2 layers coexist with localized magnetic moments of Pr3+ or Nd3+. The systems are found paramagnetic down to the lowest temperatures and behave accordingly to the non-Kramers or Kramers character of the rare earth ions. Layered cobaltates LnxCoO2 (Ln=La, Pr, Nd; x 0.30), isostructural with well known thermoelectrics NaxCoO2, have been characterized by diffraction methods and probed by the electric transport, magnetic and heat capacity measurements. The thermopower increases with temperature and saturates above room temperature at a large value 175 lV=K. The conductivity is affected by occupational disorder and follows Mott’s T-1/n law. The main attention is given to Pr0.3CoO2 and Nd0.3CoO2, in which the spins of hole carriers in the CoO2 layers coexist with localized magnetic moments of Pr3+ or Nd3+. The systems are found paramagnetic down to the lowest temperatures and behave accordingly to the non-Kramers or Kramers character of the rare earth ions. (en)
Title	Structure and properties of novel cobaltates Ln0.3CoO2 (Ln = La, Pr, and Nd) Structure and properties of novel cobaltates Ln0.3CoO2 (Ln = La, Pr, and Nd) (en)
skos:prefLabel	Structure and properties of novel cobaltates Ln0.3CoO2 (Ln = La, Pr, and Nd) Structure and properties of novel cobaltates Ln0.3CoO2 (Ln = La, Pr, and Nd) (en)
skos:notation	RIV/61388980:_____/12:00383726!RIV13-GA0-61388980
http://linked.open...avai/predkladatel	Ústav anorganické chemie 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(AV0Z40320502)
http://linked.open...iv/cisloPeriodika	7
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Buršík, Josef
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 anorganické chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	171869
http://linked.open...ai/riv/idVysledku	RIV/61388980:_____/12:00383726
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	thermoelectric and thermomagnetic effects; heat capacity; saturation moments and magnetic susceptibilities; nonmetals; Insulators; low-field transport (en)
http://linked.open.../riv/klicoveSlovo	Insulators low-field transport nonmetals saturation moments and magnetic susceptibilities thermoelectric and thermomagnetic effects heat capacity
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[AE67DEFBA483]
http://linked.open...i/riv/nazevZdroje	Journal of Applied Physics
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Magnetic polarons in cobaltites Thermoelectric cobaltites
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	111
http://linked.open...iv/tvurceVysledku	Knížek, Karel Jirák, Zdeněk Maryško, Miroslav Hejtmánek, Jiří Buršík, Josef
http://linked.open...ain/vavai/riv/wos	000303282401170
http://linked.open...n/vavai/riv/zamer	Physics and technology of nanostructures, surfaces and thin films Design, syntéza a charakterizace klastrů, kompozitů, komplexů a dalších sloučenin na bázi anorganických látek; mechanismy a kinetika jejich interakcí
issn	0021-8979
number of pages	3 (xsd:int)
http://bibframe.org/vocab/doi	10.1063/1.3672241
is http://linked.open...avai/riv/vysledek of	Structure and properties of novel cobaltates Ln0.3CoO2 (Ln = La, Pr, and Nd)

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