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Article: Orbital ordering and two ferromagnetic phases in low-doped La 1-xSr xMnO 3

TitleOrbital ordering and two ferromagnetic phases in low-doped La 1-xSr xMnO 3
Authors
KeywordsPhysics
Issue Date2000
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B - Condensed Matter And Materials Physics, 2000, v. 62 n. 9, p. 5829-5833 How to Cite?
AbstractWe present a theory for the transition between two ferromagnetic phases observed experimentally in lightly doped La 1-xSr xMnO 3. Starting from an electronic model, the instabilities to various types of orbital orderings are studied within the random-phase approximation. In most cases, the instabilities occur in the region of strong correlations. A phase diagram is calculated in the case of strong correlation by means of the projected perturbation technique and the Schwinger boson technique. A phase transition between two types of orbital ordering occurs at a low doping, which may be closely relevant to recent experimental observations.
Persistent Identifierhttp://hdl.handle.net/10722/43298
ISSN
2001 Impact Factor: 3.07
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorShen, SQen_HK
dc.contributor.authorGu, RYen_HK
dc.contributor.authorWang, QHen_HK
dc.contributor.authorWang, ZDen_HK
dc.contributor.authorXie, XCen_HK
dc.date.accessioned2007-03-23T04:43:07Z-
dc.date.available2007-03-23T04:43:07Z-
dc.date.issued2000en_HK
dc.identifier.citationPhysical Review B - Condensed Matter And Materials Physics, 2000, v. 62 n. 9, p. 5829-5833en_HK
dc.identifier.issn0163-1829en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43298-
dc.description.abstractWe present a theory for the transition between two ferromagnetic phases observed experimentally in lightly doped La 1-xSr xMnO 3. Starting from an electronic model, the instabilities to various types of orbital orderings are studied within the random-phase approximation. In most cases, the instabilities occur in the region of strong correlations. A phase diagram is calculated in the case of strong correlation by means of the projected perturbation technique and the Schwinger boson technique. A phase transition between two types of orbital ordering occurs at a low doping, which may be closely relevant to recent experimental observations.en_HK
dc.format.extent79678 bytes-
dc.format.extent45056 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/msword-
dc.languageengen_HK
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/en_HK
dc.relation.ispartofPhysical Review B - Condensed Matter and Materials Physicsen_HK
dc.rightsPhysical Review B (Condensed Matter and Materials Physics). Copyright © American Physical Society.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectPhysicsen_HK
dc.titleOrbital ordering and two ferromagnetic phases in low-doped La 1-xSr xMnO 3en_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=62&issue=9&spage=5829&epage=5833&date=2000&atitle=Orbital+ordering+and+two+ferromagnetic+phases+in+low-doped+La1-xSrxMnO3en_HK
dc.identifier.emailShen, SQ: sshen@hkucc.hku.hken_HK
dc.identifier.emailWang, ZD: zwang@hkucc.hku.hken_HK
dc.identifier.authorityShen, SQ=rp00775en_HK
dc.identifier.authorityWang, ZD=rp00802en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevB.62.5829en_HK
dc.identifier.scopuseid_2-s2.0-0034261143en_HK
dc.identifier.hkuros55901-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0034261143&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume62en_HK
dc.identifier.issue9en_HK
dc.identifier.spage5829en_HK
dc.identifier.epage5833en_HK
dc.identifier.isiWOS:000089212900092-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridShen, SQ=7403431266en_HK
dc.identifier.scopusauthoridGu, RY=7102993987en_HK
dc.identifier.scopusauthoridWang, QH=7406916485en_HK
dc.identifier.scopusauthoridWang, ZD=14828459100en_HK
dc.identifier.scopusauthoridXie, XC=13502915800en_HK

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