About: High thermoelectric power factor in Fe-substituted Mo3Sb7.

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Thermoelectric properties of the Mo2.57Fe0.43Sb7 compound, a ternary derivative of Mo3Sb7, are reported from 2 up to 1000 K. Even though Fe substitution keeps low electrical resistivity values,high thermopower values are achieved at high temperatures. Electronic band structure calculations show that the high thermopower observed arises from the beneficial influence of iron d-states contribution to the density of states at the Fermi level. A high power factor similar to those of the best state-of-the-art thermoelectric materials emerges which, coupled with magnetic excitations that help to keep very low thermal conductivity values, leads to a dimensionless thermoelectric figure of merit of 0.55 at 1000 K. Thermoelectric properties of the Mo2.57Fe0.43Sb7 compound, a ternary derivative of Mo3Sb7, are reported from 2 up to 1000 K. Even though Fe substitution keeps low electrical resistivity values,high thermopower values are achieved at high temperatures. Electronic band structure calculations show that the high thermopower observed arises from the beneficial influence of iron d-states contribution to the density of states at the Fermi level. A high power factor similar to those of the best state-of-the-art thermoelectric materials emerges which, coupled with magnetic excitations that help to keep very low thermal conductivity values, leads to a dimensionless thermoelectric figure of merit of 0.55 at 1000 K. (en)
Title	High thermoelectric power factor in Fe-substituted Mo3Sb7. High thermoelectric power factor in Fe-substituted Mo3Sb7. (en)
skos:prefLabel	High thermoelectric power factor in Fe-substituted Mo3Sb7. High thermoelectric power factor in Fe-substituted Mo3Sb7. (en)
skos:notation	RIV/68378271:_____/10:00352410!RIV11-GA0-68378271
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA203/09/1036), Z(AV0Z10100521)
http://linked.open...iv/cisloPeriodika	26
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Hejtmánek, Jiří
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	261540
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/10:00352410
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	antimony alloys; band structure; chemical exchanges; electrical resistivity; electronic density of states; electronic structure; Fermi level (en)
http://linked.open.../riv/klicoveSlovo	electronic structure Fermi level band structure antimony alloys chemical exchanges electronic density of states electrical resistivity
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[5F99E585A597]
http://linked.open...i/riv/nazevZdroje	Applied Physics Letters
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Thermoelectric cobaltites
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	96
http://linked.open...iv/tvurceVysledku	Hejtmánek, Jiří Candolfi, C. Dauscher, A. Lenoir, B. Tobola, J. Guilmeau, E. Malaman, B.
http://linked.open...ain/vavai/riv/wos	000279514400023
http://linked.open...n/vavai/riv/zamer	Physics and technology of nanostructures, surfaces and thin films
issn	0003-6951
number of pages	3 (xsd:int)

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