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Switching Magnetism and Superconductivity with Spin-Polarized Current in Iron-Based Superconductor

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dc.contributor.authorSeokhwan Choi-
dc.contributor.authorHyoung Joon Choi-
dc.contributor.authorJong Mok Ok-
dc.contributor.authorYeonghoon Lee-
dc.contributor.authorWon-Jun Jang-
dc.contributor.authorAlex Taekyung Lee-
dc.contributor.authorYoung Kuk-
dc.contributor.authorSungBin Lee-
dc.contributor.authorAndreas J. Heinrich-
dc.contributor.authorSang-Wook Cheong-
dc.contributor.authorYunkyu Bang-
dc.contributor.authorSteven Johnston-
dc.contributor.authorJun Sung Kim-
dc.contributor.authorJihnhwan Lee-
dc.date.available2017-12-19T00:55:31Z-
dc.date.created2017-10-17-
dc.date.issued2017-11-
dc.identifier.issn0031-9007-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/4088-
dc.description.abstractWe have explored a new mechanism for switching magnetism and superconductivity in a magnetically frustrated iron-based superconductor using spin-polarized scanning tunneling microscopy (SPSTM). Our SPSTM study on single crystal Sr 2 VO 3 FeAs shows that a spin-polarized tunneling current can switch the Fe-layer magnetism into a non-trivial C 4 (2× 2) order, not achievable by thermal excitation with unpolarized current. Our tunneling spectroscopy study shows that the induced C 4 (2× 2) order has characteristics of plaquette antiferromagnetic order in Fe layer and strongly suppressed superconductivity. Also, thermal agitation beyond the bulk Fe spin ordering temperature erases the C 4 state. These results suggest a new possibility of switching local superconductivity by changing the symmetry of magnetic order with spin-polarized and unpolarized tunneling currents in iron-based superconductors.-
dc.description.uri1-
dc.language영어-
dc.publisherAMER PHYSICAL SOC-
dc.titleSwitching Magnetism and Superconductivity with Spin-Polarized Current in Iron-Based Superconductor-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000416243000003-
dc.identifier.scopusid2-s2.0-85037687598-
dc.identifier.rimsid60676ko
dc.date.tcdate2018-10-01-
dc.contributor.affiliatedAuthorJong Mok Ok-
dc.contributor.affiliatedAuthorWon-Jun Jang-
dc.contributor.affiliatedAuthorAndreas J. Heinrich-
dc.contributor.affiliatedAuthorJun Sung Kim-
dc.identifier.doi10.1103/PhysRevLett.119.227001-
dc.identifier.bibliographicCitationPHYSICAL REVIEW LETTERS, v.119, no.22, pp.227001-
dc.citation.titlePHYSICAL REVIEW LETTERS-
dc.citation.volume119-
dc.citation.number22-
dc.citation.startPage227001-
dc.date.scptcdate2018-10-01-
dc.description.wostc3-
dc.description.scptc3-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
Appears in Collections:
Center for Artificial Low Dimensional Electronic Systems(원자제어 저차원 전자계 연구단) > 1. Journal Papers (저널논문)
Center for Axion and Precision Physics Research(액시온 및 극한상호작용 연구단) > 1. Journal Papers (저널논문)
Center for Quantum Nanoscience(양자나노과학 연구단) > 1. Journal Papers (저널논문)
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