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Article: Effect of a Zn impurity on T cand its implications for pairing symmetry in LaFeAsO 1-XF X

TitleEffect of a Zn impurity on T cand its implications for pairing symmetry in LaFeAsO 1-XF X
Authors
KeywordsNonmagnetics
Order parameter
Pairing symmetries
Transition temperature
Wave state
Issue Date2010
PublisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://www.iop.org/EJ/journal/NJP
Citation
New Journal Of Physics, 2010, v. 12 How to Cite?
AbstractThe effect of a non-magnetic Zn impurity on superconductivity in the LaFe 1-yZn yAsO 1-xF x system is studied systematically. In the presence of a Zn impurity, the superconducting (SC) transition temperature increases in the under-doped regime, remains unchanged in the optimally doped regime and is severely suppressed in the over-doped regime. Our results suggest a switch in the symmetry of the SC order parameters from an s-wave to s±- or d-wave states as the charge carrier doping increases in FeAs-based superconductors. © IOP Publishing Ltd and Deutsche Physikalische Gesellschaft.
Persistent Identifierhttp://hdl.handle.net/10722/125279
ISSN
2015 Impact Factor: 3.57
2015 SCImago Journal Rankings: 1.902
ISI Accession Number ID
Funding AgencyGrant Number
National Science Foundation of China10634030
10931160425
PCSIRTIRT-0754
National Basic Research Program of China2007CB925001
Hong Kong RGC GRFHKU 7068/09P
RGC/NSFCN_HKU 726/09
Funding Information:

This work was supported by the National Science Foundation of China (grant nos 10634030 and 10931160425), PCSIRT (IRT-0754) and the National Basic Research Program of China (grant no. 2007CB925001). We also acknowledge partial support from Hong Kong RGC GRF grant HKU 7068/09P and RGC/NSFC grant N_HKU 726/09.

References
Grants

 

DC FieldValueLanguage
dc.contributor.authorLi, Yen_HK
dc.contributor.authorTong, Jen_HK
dc.contributor.authorTao, Qen_HK
dc.contributor.authorFeng, Cen_HK
dc.contributor.authorCao, Gen_HK
dc.contributor.authorChen, Wen_HK
dc.contributor.authorZhang, FCen_HK
dc.contributor.authorXu, ZAen_HK
dc.date.accessioned2010-10-31T11:21:50Z-
dc.date.available2010-10-31T11:21:50Z-
dc.date.issued2010en_HK
dc.identifier.citationNew Journal Of Physics, 2010, v. 12en_HK
dc.identifier.issn1367-2630en_HK
dc.identifier.urihttp://hdl.handle.net/10722/125279-
dc.description.abstractThe effect of a non-magnetic Zn impurity on superconductivity in the LaFe 1-yZn yAsO 1-xF x system is studied systematically. In the presence of a Zn impurity, the superconducting (SC) transition temperature increases in the under-doped regime, remains unchanged in the optimally doped regime and is severely suppressed in the over-doped regime. Our results suggest a switch in the symmetry of the SC order parameters from an s-wave to s±- or d-wave states as the charge carrier doping increases in FeAs-based superconductors. © IOP Publishing Ltd and Deutsche Physikalische Gesellschaft.en_HK
dc.languageengen_HK
dc.publisherInstitute of Physics Publishing Ltd. The Journal's web site is located at http://www.iop.org/EJ/journal/NJPen_HK
dc.relation.ispartofNew Journal of Physicsen_HK
dc.rightsNew Journal of Physics. Copyright © Institute of Physics Publishing Ltd.-
dc.subjectNonmagnetics-
dc.subjectOrder parameter-
dc.subjectPairing symmetries-
dc.subjectTransition temperature-
dc.subjectWave state-
dc.titleEffect of a Zn impurity on T cand its implications for pairing symmetry in LaFeAsO 1-XF Xen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1367-2630&volume=12, article no. 083008&spage=&epage=&date=2010&atitle=Effect+of+a+Zn+impurity+on+Tc+and+its+implications+for+pairing+symmetry+in+LaFeAsO1−xFxen_HK
dc.identifier.emailChen, W: wqchen@hku.hken_HK
dc.identifier.emailZhang, FC: fuchun@hkucc.hku.hken_HK
dc.identifier.authorityChen, W=rp00673en_HK
dc.identifier.authorityZhang, FC=rp00840en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1088/1367-2630/12/8/083008en_HK
dc.identifier.scopuseid_2-s2.0-77956564822en_HK
dc.identifier.hkuros182059en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77956564822&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume12en_HK
dc.identifier.isiWOS:000281278800002-
dc.publisher.placeUnited Kingdomen_HK
dc.relation.projectTransport Property and Thermoelectric effect of iron-based superconductors-
dc.identifier.scopusauthoridLi, Y=25624857900en_HK
dc.identifier.scopusauthoridTong, J=36448689700en_HK
dc.identifier.scopusauthoridTao, Q=35254457600en_HK
dc.identifier.scopusauthoridFeng, C=7402911462en_HK
dc.identifier.scopusauthoridCao, G=7401709819en_HK
dc.identifier.scopusauthoridChen, W=36077405600en_HK
dc.identifier.scopusauthoridZhang, FC=14012468800en_HK
dc.identifier.scopusauthoridXu, ZA=7405426595en_HK

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