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Article: Theory for spin and orbital orderings in high-temperature phases in YVO3

TitleTheory for spin and orbital orderings in high-temperature phases in YVO3
Authors
De Silva, TNJoshi, AMa, MZhang, FC
Issue Date2003
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B (Condensed Matter), 2003, v. 68 n. 18, article no. 184402 , p. 1-7 How to Cite?
DOI: http://dx.doi.org/10.1103/PhysRevB.68.184402
AbstractMotivated by the recent neutron-diffraction experiment on YVO3, we consider a microscopic model where each V 3+ ion is occupied by two 3d electrons of parallel spins with twofold-degenerate orbital configurations. The mean-field classical solutions of the spin-orbital superexchange model predicts an antiferro-orbital ordering at a higher temperature followed by a C-type antiferromagnetic spin ordering at a lower temperature. Our results are qualitatively consistent with the observed orbital phase transition at ∼200 K and the spin phase transition at ∼114 K in YVO3.
Persistent Identifierhttp://hdl.handle.net/10722/174889
ISSN
0163-1829
ISI Accession Number ID
WOS:000187004300040
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorDe Silva, TNen_US
dc.contributor.authorJoshi, Aen_US
dc.contributor.authorMa, Men_US
dc.contributor.authorZhang, FCen_US
dc.date.accessioned2012-11-26T08:47:59Z-
dc.date.available2012-11-26T08:47:59Z-
dc.date.issued2003en_US
dc.identifier.citationPhysical Review B (Condensed Matter), 2003, v. 68 n. 18, article no. 184402 , p. 1-7-
dc.identifier.issn0163-1829en_US
dc.identifier.urihttp://hdl.handle.net/10722/174889-
dc.description.abstractMotivated by the recent neutron-diffraction experiment on YVO3, we consider a microscopic model where each V 3+ ion is occupied by two 3d electrons of parallel spins with twofold-degenerate orbital configurations. The mean-field classical solutions of the spin-orbital superexchange model predicts an antiferro-orbital ordering at a higher temperature followed by a C-type antiferromagnetic spin ordering at a lower temperature. Our results are qualitatively consistent with the observed orbital phase transition at ∼200 K and the spin phase transition at ∼114 K in YVO3.en_US
dc.languageengen_US
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/en_US
dc.relation.ispartofPhysical Review B (Condensed Matter)-
dc.titleTheory for spin and orbital orderings in high-temperature phases in YVO3en_US
dc.typeArticleen_US
dc.identifier.emailZhang, FC: fuchun@hkucc.hku.hken_US
dc.identifier.authorityZhang, FC=rp00840en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1103/PhysRevB.68.184402-
dc.identifier.scopuseid_2-s2.0-84863900592en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0347064226&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume68en_US
dc.identifier.issue18en_US
dc.identifier.spagearticle no. 184402, p. 1-
dc.identifier.epagearticle no. 184402, p. 7-
dc.identifier.isiWOS:000187004300040-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridDe Silva, TN=6603018612en_US
dc.identifier.scopusauthoridJoshi, A=7402452915en_US
dc.identifier.scopusauthoridMa, M=7202445040en_US
dc.identifier.scopusauthoridZhang, FC=14012468800en_US
dc.identifier.issnl0163-1829-

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