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Article: Self-doping effect and successive magnetic transitions in superconducting Sr2 VFeAsO3

TitleSelf-doping effect and successive magnetic transitions in superconducting Sr2 VFeAsO3
Authors
Issue Date2010
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B - Condensed Matter And Materials Physics, 2010, v. 82 n. 10 How to Cite?
AbstractWe have studied a quinary Fe-based superconductor Sr 2 VFeAsO 3 by the measurements of x-ray diffraction, x-ray absorption, Mössbauer spectrum, resistivity, magnetization, and specific heat. This apparently undoped oxyarsenide is shown to be self-doped via electron transfer from the V3 + ions. We observed successive magnetic transitions within the VO 2 layers: an antiferromagnetic transition at 150 K followed by a weak ferromagnetic transition at 55 K. The spin orderings within the VO 2 planes are discussed based on mixed valence of V3 + and V4 +. © 2010 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/142470
ISSN
2014 Impact Factor: 3.736
2015 SCImago Journal Rankings: 1.933
ISI Accession Number ID
Funding AgencyGrant Number
NSF of China90922002
National Basic Research Program of China2007CB925001
Fundamental Research Funds for the Central Universities of China2010QNA3026
Israel Science Foundation459/09
German-Israeli DIP project
Hong Kong RGCHKU 7068/09P
NSF/RGCN-HKU 726/09
Funding Information:

This work was supported by the NSF of China (Grant No. 90922002), National Basic Research Program of China (Grant No. 2007CB925001), and the Fundamental Research Funds for the Central Universities of China (Grant No. 2010QNA3026). The research in Jerusalem is supported by the Israel Science Foundation (Bikura Grant No. 459/09) and by the joint German-Israeli DIP project. F.C.Z. acknowledges partial support from Hong Kong RGC under Grant No. HKU 7068/09P and NSF/RGC under Grant No. N-HKU 726/09. The authors would like to thank NSRL for the synchrotron radiation beam time.

References

 

DC FieldValueLanguage
dc.contributor.authorCao, GHen_HK
dc.contributor.authorMa, Zen_HK
dc.contributor.authorWang, Cen_HK
dc.contributor.authorSun, Yen_HK
dc.contributor.authorBao, Jen_HK
dc.contributor.authorJiang, Sen_HK
dc.contributor.authorLuo, Yen_HK
dc.contributor.authorFeng, Cen_HK
dc.contributor.authorZhou, Yen_HK
dc.contributor.authorXie, Zen_HK
dc.contributor.authorHu, Fen_HK
dc.contributor.authorWei, Sen_HK
dc.contributor.authorNowik, Ien_HK
dc.contributor.authorFelner, Ien_HK
dc.contributor.authorZhang, Len_HK
dc.contributor.authorXu, Zen_HK
dc.contributor.authorZhang, FCen_HK
dc.date.accessioned2011-10-28T02:46:48Z-
dc.date.available2011-10-28T02:46:48Z-
dc.date.issued2010en_HK
dc.identifier.citationPhysical Review B - Condensed Matter And Materials Physics, 2010, v. 82 n. 10en_HK
dc.identifier.issn1098-0121en_HK
dc.identifier.urihttp://hdl.handle.net/10722/142470-
dc.description.abstractWe have studied a quinary Fe-based superconductor Sr 2 VFeAsO 3 by the measurements of x-ray diffraction, x-ray absorption, Mössbauer spectrum, resistivity, magnetization, and specific heat. This apparently undoped oxyarsenide is shown to be self-doped via electron transfer from the V3 + ions. We observed successive magnetic transitions within the VO 2 layers: an antiferromagnetic transition at 150 K followed by a weak ferromagnetic transition at 55 K. The spin orderings within the VO 2 planes are discussed based on mixed valence of V3 + and V4 +. © 2010 The American Physical Society.en_HK
dc.languageengen_US
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.-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.titleSelf-doping effect and successive magnetic transitions in superconducting Sr2 VFeAsO3en_HK
dc.typeArticleen_HK
dc.identifier.emailZhang, FC: fuchun@hkucc.hku.hken_HK
dc.identifier.authorityZhang, FC=rp00840en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevB.82.104518en_HK
dc.identifier.scopuseid_2-s2.0-77957601390en_HK
dc.identifier.hkuros184599en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77957601390&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume82en_HK
dc.identifier.issue10en_HK
dc.identifier.spage104518-1en_US
dc.identifier.epage104518-5en_US
dc.identifier.isiWOS:000282122400005-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridCao, GH=7401709819en_HK
dc.identifier.scopusauthoridMa, Z=8546478000en_HK
dc.identifier.scopusauthoridWang, C=16242934400en_HK
dc.identifier.scopusauthoridSun, Y=36538064000en_HK
dc.identifier.scopusauthoridBao, J=36536570900en_HK
dc.identifier.scopusauthoridJiang, S=14037376800en_HK
dc.identifier.scopusauthoridLuo, Y=25624753800en_HK
dc.identifier.scopusauthoridFeng, C=7402911462en_HK
dc.identifier.scopusauthoridZhou, Y=36460466600en_HK
dc.identifier.scopusauthoridXie, Z=7402267384en_HK
dc.identifier.scopusauthoridHu, F=26040782000en_HK
dc.identifier.scopusauthoridWei, S=7401765204en_HK
dc.identifier.scopusauthoridNowik, I=7006805470en_HK
dc.identifier.scopusauthoridFelner, I=7102508530en_HK
dc.identifier.scopusauthoridZhang, L=36063274500en_HK
dc.identifier.scopusauthoridXu, Z=7405426595en_HK
dc.identifier.scopusauthoridZhang, FC=14012468800en_HK

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