Please use this identifier to cite or link to this item: https://doi.org/10.1109/TMAG.2012.2198452
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dc.titleMagnetoresistance in ferromagnetically coupled three-dimensional topological insulator strips
dc.contributor.authorSiu, Z.B.
dc.contributor.authorJalil, M.B.A.
dc.contributor.authorTan, S.G.
dc.date.accessioned2014-06-17T02:56:10Z
dc.date.available2014-06-17T02:56:10Z
dc.date.issued2012
dc.identifier.citationSiu, Z.B., Jalil, M.B.A., Tan, S.G. (2012). Magnetoresistance in ferromagnetically coupled three-dimensional topological insulator strips. IEEE Transactions on Magnetics 48 (11) : 4250-4252. ScholarBank@NUS Repository. https://doi.org/10.1109/TMAG.2012.2198452
dc.identifier.issn00189464
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/56576
dc.description.abstractIn this work, we calculate the eigenstates and dispersion relations for the 2-D surface states of 3-D topological insulator (TI) planar nanostrips of finite width coupled to a proximate insulating ferromagnetic layer. The magnetization of the ferromagnetic layer in the transverse, longitudinal and out-of-plane directions have differing effects on the dispersion relations. We also calculated the transmission through a short central TI strip sandwiched between TI source and drain leads of semi-infinite length. We investigate the transport through the setup when the magnetization of the ferromagnetic layer on top of the central region differs from that of the leads. We found that when the lead magnetization is in the longitudinal direction, i.e., along the current direction, the transmission is maximal for both the parallel and anti-parallel alignment of the lead and central magnetizations. However, for the case where the lead magnetization is in the transverse direction, the transmission is maximal for parallel alignment and minimal for the antiparallel alignment. © 2012 IEEE.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1109/TMAG.2012.2198452
dc.sourceScopus
dc.subjectMagnetoresistance
dc.subjectTopological insulators
dc.typeArticle
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.doi10.1109/TMAG.2012.2198452
dc.description.sourcetitleIEEE Transactions on Magnetics
dc.description.volume48
dc.description.issue11
dc.description.page4250-4252
dc.description.codenIEMGA
dc.identifier.isiut000310194400390
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