Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.4824891
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dc.titleSuppression of superconductivity in Nb by IrMn in IrMn/Nb bilayers
dc.contributor.authorWu, B.L.
dc.contributor.authorYang, Y.M.
dc.contributor.authorGuo, Z.B.
dc.contributor.authorWu, Y.H.
dc.contributor.authorQiu, J.J.
dc.date.accessioned2014-10-07T04:37:30Z
dc.date.available2014-10-07T04:37:30Z
dc.date.issued2013-10-07
dc.identifier.citationWu, B.L., Yang, Y.M., Guo, Z.B., Wu, Y.H., Qiu, J.J. (2013-10-07). Suppression of superconductivity in Nb by IrMn in IrMn/Nb bilayers. Applied Physics Letters 103 (15) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.4824891
dc.identifier.issn00036951
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/83120
dc.description.abstractEffect of antiferromagnet on superconductivity has been investigated in IrMn/Nb bilayers. Significant suppression of both transition temperature (T c) and lower critical field (Hc1) of Nb is found in IrMn/Nb bilayers as compared to a single layer Nb of same thickness; the suppression effect is even stronger than that of a ferromagnet in NiFe/Nb bilayers. The addition of an insulating MgO layer at the IrMn-Nb interface nearly restores Tc to that of the single layer Nb, but Hc1 still remains suppressed. These results suggest that, in addition to proximity effect and magnetic impurity scattering, magnetostatic interaction also plays a role in suppressing superconductivity of Nb in IrMn/Nb bilayers. In addition to reduced Tc and Hc1, the IrMn layer also induces broadening in the transition temperature of Nb, which can be accounted for by a finite distribution of stray field from IrMn. © 2013 AIP Publishing LLC.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1063/1.4824891
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.doi10.1063/1.4824891
dc.description.sourcetitleApplied Physics Letters
dc.description.volume103
dc.description.issue15
dc.description.page-
dc.description.codenAPPLA
dc.identifier.isiut000325779700053
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