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Article: Symmetry origin of the phase transitions and phase separation in manganites at low doping

TitleSymmetry origin of the phase transitions and phase separation in manganites at low doping
Authors
Zhong, FWang, ZD
KeywordsPhysics
Issue Date1999
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B (Condensed Matter), 1999, v. 60 n. 17, p. 11883-11886 How to Cite?
DOI: http://dx.doi.org/10.1103/PhysRevB.60.11883
AbstractWe analyze the symmetry changes of paramagnetic to A-type antiferromagnetic and to ferromagnetic phase transitions in undoped and moderately doped LaMnO 3, respectively. We show that in orthorhombic-distorted perovskite manganites the phase separation at low doping is associated with the noncollinear nature of the magnetic orders permitted by symmetry. A simple model for the competition between the two phase transitions is put forward within the framework of the Landau theory of phase transitions. ©1999 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/43275
ISSN
0163-1829
ISI Accession Number ID
WOS:000083808700012
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorZhong, Fen_HK
dc.contributor.authorWang, ZDen_HK
dc.date.accessioned2007-03-23T04:42:40Z-
dc.date.available2007-03-23T04:42:40Z-
dc.date.issued1999en_HK
dc.identifier.citationPhysical Review B (Condensed Matter), 1999, v. 60 n. 17, p. 11883-11886-
dc.identifier.issn0163-1829en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43275-
dc.description.abstractWe analyze the symmetry changes of paramagnetic to A-type antiferromagnetic and to ferromagnetic phase transitions in undoped and moderately doped LaMnO 3, respectively. We show that in orthorhombic-distorted perovskite manganites the phase separation at low doping is associated with the noncollinear nature of the magnetic orders permitted by symmetry. A simple model for the competition between the two phase transitions is put forward within the framework of the Landau theory of phase transitions. ©1999 The American Physical Society.en_HK
dc.format.extent61520 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)-
dc.rightsCopyright 1999 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevB.60.11883-
dc.subjectPhysicsen_HK
dc.titleSymmetry origin of the phase transitions and phase separation in manganites at low dopingen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=60&issue=17&spage=11883&epage=11886&date=1999&atitle=Symmetry+origin+of+the+phase+transitions+and+phase+separation+in+manganites+at+low+dopingen_HK
dc.identifier.emailWang, ZD: zwang@hkucc.hku.hken_HK
dc.identifier.authorityWang, ZD=rp00802en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevB.60.11883en_HK
dc.identifier.scopuseid_2-s2.0-0000802665en_HK
dc.identifier.hkuros47463-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0000802665&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume60en_HK
dc.identifier.issue17en_HK
dc.identifier.spage11883en_HK
dc.identifier.epage11886en_HK
dc.identifier.isiWOS:000083808700012-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridZhong, F=7102244612en_HK
dc.identifier.scopusauthoridWang, ZD=14828459100en_HK
dc.identifier.issnl0163-1829-

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