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Article: Biquadratic Interactions and Spin-Peierls Transition in the Spin-1 Chain LiVGe2O6

TitleBiquadratic Interactions and Spin-Peierls Transition in the Spin-1 Chain LiVGe2O6
Authors
Issue Date1999
PublisherAmerican Physical Society. The Journal's web site is located at http://prl.aps.org
Citation
Physical Review Letters, 1999, v. 83 n. 20, p. 4176-4179 How to Cite?
AbstractThe magnetic susceptibility of a new one-dimensional S = 1 system, the vanadium oxide LiVGe2O6, has been measured. Contrary to previous S = 1 chains, it exhibits an abrupt drop at 22 K typical of a spin-Peierls transition, and it is consistent with a gapless spectrum above this temperature. We propose that this behavior is due to the presence of a significant biquadratic exchange interaction, a suggestion supported by quantum chemistry calculations that take into account the quasidegeneracy of the t2g levels.
Persistent Identifierhttp://hdl.handle.net/10722/174645
ISSN
2015 Impact Factor: 7.645
2015 SCImago Journal Rankings: 3.731
References

 

DC FieldValueLanguage
dc.contributor.authorMillet, Pen_US
dc.contributor.authorMila, Fen_US
dc.contributor.authorZhang, FCen_US
dc.contributor.authorMambrini, Men_US
dc.contributor.authorVan Oosten, ABen_US
dc.contributor.authorPashchenko, VAen_US
dc.contributor.authorSulpice, Aen_US
dc.contributor.authorStepanov, Aen_US
dc.date.accessioned2012-11-26T08:46:41Z-
dc.date.available2012-11-26T08:46:41Z-
dc.date.issued1999en_US
dc.identifier.citationPhysical Review Letters, 1999, v. 83 n. 20, p. 4176-4179en_US
dc.identifier.issn0031-9007en_US
dc.identifier.urihttp://hdl.handle.net/10722/174645-
dc.description.abstractThe magnetic susceptibility of a new one-dimensional S = 1 system, the vanadium oxide LiVGe2O6, has been measured. Contrary to previous S = 1 chains, it exhibits an abrupt drop at 22 K typical of a spin-Peierls transition, and it is consistent with a gapless spectrum above this temperature. We propose that this behavior is due to the presence of a significant biquadratic exchange interaction, a suggestion supported by quantum chemistry calculations that take into account the quasidegeneracy of the t2g levels.en_US
dc.languageengen_US
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prl.aps.orgen_US
dc.relation.ispartofPhysical Review Lettersen_US
dc.titleBiquadratic Interactions and Spin-Peierls Transition in the Spin-1 Chain LiVGe2O6en_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.scopuseid_2-s2.0-0001494049en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0001494049&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume83en_US
dc.identifier.issue20en_US
dc.identifier.spage4176en_US
dc.identifier.epage4179en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridMillet, P=7101716919en_US
dc.identifier.scopusauthoridMila, F=7006122264en_US
dc.identifier.scopusauthoridZhang, FC=14012468800en_US
dc.identifier.scopusauthoridMambrini, M=7003535558en_US
dc.identifier.scopusauthoridVan Oosten, AB=6603403561en_US
dc.identifier.scopusauthoridPashchenko, VA=35515436900en_US
dc.identifier.scopusauthoridSulpice, A=7006686979en_US
dc.identifier.scopusauthoridStepanov, A=7402419763en_US

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