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Structural transformation and magnetic competition in Yb(Mn1-xFex)O3

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Huang, Yun-Hui
dc.contributor.author Karppinen, Maarit
dc.contributor.author Imamura, Naoki
dc.contributor.author Yamauchi, Hisao
dc.contributor.author Goodenough, John B.
dc.date.accessioned 2015-10-06T09:02:22Z
dc.date.available 2015-10-06T09:02:22Z
dc.date.issued 2007
dc.identifier.citation Huang, Yun-Hui & Karppinen, Maarit & Imamura, Naoki & Yamauchi, Hisao & Goodenough, John B. 2007. Structural transformation and magnetic competition in Yb(Mn1-xFex)O3. Physical Review B. Volume 76, Issue 17. 174405/1-5. ISSN 1550-235X (electronic). DOI: 10.1103/physrevb.76.174405. en
dc.identifier.issn 1550-235X (electronic)
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/17952
dc.description.abstract Structural and magnetic properties of the Yb(Mn1−xFex)O3 (0⩽x⩽1) system have been systematically investigated. Initial samples were prepared via a sol-gel method. A pure hexagonal phase was only obtained for samples with x⩽0.5. With high-pressure annealing, a pure orthorhombic perovskite phase was achieved for all the compositions. The Fe57 Mössbauer spectrum for x=0.5 shows that only Fe3+ ions exist in the system; there was no evidence of chemical inhomogeneities. With increasing x, the Néel temperature TN increases for both hexagonal and orthorhombic phases. The orthorhombic Yb(Mn0.5Fe0.5)O3 shows an interesting weak ferromagnetic state in the temperature range of 239–298K, the ferromagnetism disappearing abruptly on cooling below Tt=239K. The transition at Tt appears to be a reorientation of the spin axis of a type-G antiferromagnetic order from the orthorhombic a axis to the b axis in the (010) plane. en
dc.format.extent 174405/1-5
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher American Physical Society (APS) en
dc.relation.ispartofseries Physical Review B en
dc.relation.ispartofseries Volume 76, Issue 17
dc.rights © 2007 American Physical Society (APS). This is the accepted version of the following article: Huang, Yun-Hui & Karppinen, Maarit & Imamura, Naoki & Yamauchi, Hisao & Goodenough, John B. 2007. Structural transformation and magnetic competition in Yb(Mn1-xFex)O3. Physical Review B. Volume 76, Issue 17. 174405/1-5. ISSN 1550-235X (electronic). DOI: 10.1103/physrevb.76.174405, which has been published in final form at http://journals.aps.org/prb/abstract/10.1103/PhysRevB.76.174405. en
dc.subject.other Chemistry en
dc.subject.other Physics en
dc.title Structural transformation and magnetic competition in Yb(Mn1-xFex)O3 en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.rights.holder American Physical Society (APS)
dc.contributor.school Kemian tekniikan korkeakoulu fi
dc.contributor.school School of Chemical Technology en
dc.contributor.department Kemian laitos fi
dc.contributor.department Department of Chemistry en
dc.subject.keyword Yb(Mn1−xFex)O3 en
dc.subject.keyword magnetic properties en
dc.identifier.urn URN:NBN:fi:aalto-201510064537
dc.type.dcmitype text en
dc.identifier.doi 10.1103/physrevb.76.174405
dc.type.version Final published version en


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