About: Room-temperature antiferromagnetism in CuMnAs

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1016/j.jmmm.2011.12.017
Description	We report on an experimental and theoretical study of CuMn-V compounds. In agreement with previous works we find low-temperature antiferromagnetism with Neel temperature of 50 K in the cubic half-Heusler CuMnSb. We demonstrate that the orthorhombic CuMnAs is a room-temperature antiferromagnet. Our results are based on X-ray diffraction, magnetization, transport, and differential thermal analysis measurements, and on density-functional theory calculations of the magnetic structure of CuMn-V compounds. In the discussion part of the paper we make a prediction, based on our density-functional theory calculations, that the electronic structure of CuMn-V compounds makes a transition from a semimetal to a semiconductor upon introducing the lighter group-V elements. We report on an experimental and theoretical study of CuMn-V compounds. In agreement with previous works we find low-temperature antiferromagnetism with Neel temperature of 50 K in the cubic half-Heusler CuMnSb. We demonstrate that the orthorhombic CuMnAs is a room-temperature antiferromagnet. Our results are based on X-ray diffraction, magnetization, transport, and differential thermal analysis measurements, and on density-functional theory calculations of the magnetic structure of CuMn-V compounds. In the discussion part of the paper we make a prediction, based on our density-functional theory calculations, that the electronic structure of CuMn-V compounds makes a transition from a semimetal to a semiconductor upon introducing the lighter group-V elements. (en)
Title	Room-temperature antiferromagnetism in CuMnAs Room-temperature antiferromagnetism in CuMnAs (en)
skos:prefLabel	Room-temperature antiferromagnetism in CuMnAs Room-temperature antiferromagnetism in CuMnAs (en)
skos:notation	RIV/00216208:11320/12:10126354!RIV13-AV0-11320___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GPP204/11/P339), P(IAA100100912), P(LC510), Z(AV0Z10100520), Z(AV0Z10100521), Z(AV0Z10480505)
http://linked.open...iv/cisloPeriodika	8
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Uhlířová, Klára Martí, Xavier Stelmakhovych, Olha Bohdanivna
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	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	166155
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/12:10126354
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Semimetal; Semiconductor; Antiferromagnet (en)
http://linked.open.../riv/klicoveSlovo	Semiconductor Antiferromagnet Semimetal
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[96791AC2C779]
http://linked.open...i/riv/nazevZdroje	Journal of Magnetism and Magnetic Materials
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	10 (xsd:int)
http://linked.open...vavai/riv/projekt	Center of nanotechnology and materials for nanoelectronics Room temperature electric field control of exchange bias in antiferromagnetic semiconductors Magnetic anisotropy of nano-interfaces
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	324
http://linked.open...iv/tvurceVysledku	Beran, Pavel Jungwirth, Tomáš Mašek, Jan Martí, Xavier Novák, Vít Máca, František Uhlířová, Klára Reichlová, Helena Stelmakhovych, Olha Bohdanivna Wadley, P.
http://linked.open...ain/vavai/riv/wos	000299114400025
http://linked.open...n/vavai/riv/zamer	Specific effects in condensed systems with reduced dimension and broken symmetry Physics and technology of nanostructures, surfaces and thin films Jaderná fyzika a příbuzné obory v základním, aplikovaném a interdisciplinárním výzkumu
issn	0304-8853
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.jmmm.2011.12.017
http://localhost/t...ganizacniJednotka	11320

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