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dc.contributor.authorHoffman, Jenny Eve
dc.contributor.authorSong, Can-Li
dc.contributor.authorWang, Yi-Lin
dc.contributor.authorJiang, Ye-Ping
dc.contributor.authorWang, Lili
dc.contributor.authorHe, Ke
dc.contributor.authorChen, Xi
dc.contributor.authorMa, Xu-Cun
dc.contributor.authorXue, Qi-Kun
dc.date.accessioned2012-11-20T14:40:24Z
dc.date.issued2012
dc.identifier.citationSong, Can-Li, Yi-Lin Wang, Ye-Ping Jiang, Lili Wang, Ke He, Xi Chen, Jennifer E. Hoffman, Xu-Cun Ma, and Qi-Kun Xue. 2012. Suppression of superconductivity by twin boundaries in FeSe. Physical Review Letters 109(13): 137004.en_US
dc.identifier.issn0031-9007en_US
dc.identifier.urihttp://nrs.harvard.edu/urn-3:HUL.InstRepos:9925388
dc.description.abstractLow-temperature scanning tunneling microscopy and spectroscopy are employed to investigate twin boundaries in stoichiometric FeSe films grown by molecular beam epitaxy. Twin boundaries can be unambiguously identified by imaging the 90º change in the orientation of local electronic dimers from Fe site impurities on either side. Twin boundaries run at approximately 45º to the Fe-Fe bond directions, and noticeably suppress the superconducting gap, in contrast with the recent experimental and theoretical findings in other iron pnictides. Furthermore, vortices appear to accumulate on twin boundaries, consistent with the degraded superconductivity there. The variation in superconductivity is likely caused by the increased Se height in the vicinity of twin boundaries, providing the first local evidence for the importance of this height to the mechanism of superconductivity.en_US
dc.description.sponsorshipPhysicsen_US
dc.language.isoen_USen_US
dc.publisherAmerican Physical Societyen_US
dc.relation.isversionofdoi:10.1103/PhysRevLett.109.137004en_US
dash.licenseLAA
dc.titleSuppression of Superconductivity by Twin Boundaries In FeSeen_US
dc.typeJournal Articleen_US
dc.description.versionVersion of Recorden_US
dc.relation.journalPhysical Review Lettersen_US
dash.depositing.authorHoffman, Jenny Eve
dc.date.available2012-11-20T14:40:24Z
dc.identifier.doi10.1103/PhysRevLett.109.137004*
dash.authorsorderedfalse
dash.contributor.affiliatedSong, Can-Li
dash.contributor.affiliatedHoffman, Jenny


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