About: (3+1)-dimensional crystal and antiferromagnetic structures in CeRuSn

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	At 320 K, the crystal structure of CeRuSn is commensurate with the related CeCoAl-type of structure by the doubling of the c lattice parameter. However, with lowering the temperature it becomes incommensurate with x and z position parameters at all three elemental sites being modulated as one moves along the c axis. The resulting crystal structure can be conveniently described within the superspace formalism in (3+1) dimensions. The modulation vector, after initially strong temperature dependence, approaches a value close to qnuc=(0,0,0.35). Below TN=2.8(1) K, CeRuSn orders antiferromagnetically with a propagation vector =(0,0,0.175), i.e. with the magnetic unit cell doubled along the caxis direction with respect to the incommensurate crystal structure. Ce moments appear to be nearly collinear, confined to the a–c plane, forming ferromagnetically coupled pairs. Their magnitudes are modulated between 0.11 and 0.95 B as one moves along the c axis. At 320 K, the crystal structure of CeRuSn is commensurate with the related CeCoAl-type of structure by the doubling of the c lattice parameter. However, with lowering the temperature it becomes incommensurate with x and z position parameters at all three elemental sites being modulated as one moves along the c axis. The resulting crystal structure can be conveniently described within the superspace formalism in (3+1) dimensions. The modulation vector, after initially strong temperature dependence, approaches a value close to qnuc=(0,0,0.35). Below TN=2.8(1) K, CeRuSn orders antiferromagnetically with a propagation vector =(0,0,0.175), i.e. with the magnetic unit cell doubled along the caxis direction with respect to the incommensurate crystal structure. Ce moments appear to be nearly collinear, confined to the a–c plane, forming ferromagnetically coupled pairs. Their magnitudes are modulated between 0.11 and 0.95 B as one moves along the c axis. (en)
Title	(3+1)-dimensional crystal and antiferromagnetic structures in CeRuSn (3+1)-dimensional crystal and antiferromagnetic structures in CeRuSn (en)
skos:prefLabel	(3+1)-dimensional crystal and antiferromagnetic structures in CeRuSn (3+1)-dimensional crystal and antiferromagnetic structures in CeRuSn (en)
skos:notation	RIV/68378271:_____/14:00435794!RIV15-AV0-68378271
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...iv/cisloPeriodika	12
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Petříček, Václav
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	58274
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/14:00435794
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	CeRuSn; incommensurate crystal structure; AF order; neutron diffraction; phase transition (en)
http://linked.open.../riv/klicoveSlovo	phase transition AF order CeRuSn incommensurate crystal structure neutron diffraction
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[4EA1C6B161C7]
http://linked.open...i/riv/nazevZdroje	Journal of Physics-Condensed Matter
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	9 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	26
http://linked.open...iv/tvurceVysledku	Petříček, Václav Prokeš, K. Hartwig, S. Hoffmann, R.-D. Huang, Y.-K. Mydosh, J. A Ouladdiaf, B. Pöttgen, R. Ressouche, E.
http://linked.open...ain/vavai/riv/wos	000332658600001
issn	0953-8984
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1088/0953-8984/26/12/122201

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