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Conference Paper: Magnetoelectric effects and valley dependent spin resonances in transition metal dichalcogenide bilayers
Title | Magnetoelectric effects and valley dependent spin resonances in transition metal dichalcogenide bilayers |
---|---|
Authors | |
Issue Date | 2014 |
Publisher | American Physical Society. The Journal's web site is located at http://www.aps.org/memb/guide/prbook-baps.cfm |
Citation | American Physical Society (APS) March Meeting, Denver, Colorado, USA, 3-7 March 2014. In American Physical Society Bulletin, 2014, v. 59 n. 1, p. abstract no. J51.00005 How to Cite? |
Abstract | In addition to spin, valley is an internal degrees of freedom of carriers in
monolayer group-VI transition metal dichalcogenides (TMDCs). In bilayer, carrier is also characterized by the layer pseudospin, which is associated with the
electrical polarization. Here we show in TMDC bilayers, the spin, valley and layer pseudospins of carriers are strongly coupled to each other. Because of this
coupling, most of the spin physics in TMDC monolayer such as the spin Hall effect and spin-dependent selection rule for optical transitions are inherited in
TMDC bilayers. The strong coupling between spin and layer pseudospin also gives rise to a variety of magnetoelectric effects that make possible quantum
manipulation of these electronic degrees of freedom. For example, electric polarization will oscillate in a magnetic field, while electric field can be used to tune
the spin precessions. Moreover, the coupling between spin, valley and layer pseudospins makes possible valley dependent spin resonances such that spin rotations
can be selectively addressed in the two valleys. |
Description | Session J51 DMP: Focus Session: Beyond Graphene Devices: Function, Fabrication, and
Characterization II |
Persistent Identifier | http://hdl.handle.net/10722/201409 |
ISSN |
DC Field | Value | Language |
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dc.contributor.author | Gong, Z | en_US |
dc.contributor.author | Liu, G | en_US |
dc.contributor.author | Yu, H | en_US |
dc.contributor.author | Xiao, D | en_US |
dc.contributor.author | Cui, X | en_US |
dc.contributor.author | Xu, XD | en_US |
dc.contributor.author | Yao, W | en_US |
dc.date.accessioned | 2014-08-21T07:26:39Z | - |
dc.date.available | 2014-08-21T07:26:39Z | - |
dc.date.issued | 2014 | en_US |
dc.identifier.citation | American Physical Society (APS) March Meeting, Denver, Colorado, USA, 3-7 March 2014. In American Physical Society Bulletin, 2014, v. 59 n. 1, p. abstract no. J51.00005 | en_US |
dc.identifier.issn | 0003-0503 | - |
dc.identifier.uri | http://hdl.handle.net/10722/201409 | - |
dc.description | Session J51 DMP: Focus Session: Beyond Graphene Devices: Function, Fabrication, and Characterization II | - |
dc.description.abstract | In addition to spin, valley is an internal degrees of freedom of carriers in monolayer group-VI transition metal dichalcogenides (TMDCs). In bilayer, carrier is also characterized by the layer pseudospin, which is associated with the electrical polarization. Here we show in TMDC bilayers, the spin, valley and layer pseudospins of carriers are strongly coupled to each other. Because of this coupling, most of the spin physics in TMDC monolayer such as the spin Hall effect and spin-dependent selection rule for optical transitions are inherited in TMDC bilayers. The strong coupling between spin and layer pseudospin also gives rise to a variety of magnetoelectric effects that make possible quantum manipulation of these electronic degrees of freedom. For example, electric polarization will oscillate in a magnetic field, while electric field can be used to tune the spin precessions. Moreover, the coupling between spin, valley and layer pseudospins makes possible valley dependent spin resonances such that spin rotations can be selectively addressed in the two valleys. | - |
dc.language | eng | en_US |
dc.publisher | American Physical Society. The Journal's web site is located at http://www.aps.org/memb/guide/prbook-baps.cfm | - |
dc.relation.ispartof | American Physical Society Bulletin | en_US |
dc.title | Magnetoelectric effects and valley dependent spin resonances in transition metal dichalcogenide bilayers | en_US |
dc.type | Conference_Paper | en_US |
dc.identifier.email | Gong, Z: gongzr@hku.hk | en_US |
dc.identifier.email | Liu, G: gbliu@hku.hk | en_US |
dc.identifier.email | Yu, H: yuhongyi@hku.hk | en_US |
dc.identifier.email | Cui, X: xdcui@hku.hk | en_US |
dc.identifier.email | Yao, W: wangyao@hku.hk | en_US |
dc.identifier.authority | Cui, X=rp00689 | en_US |
dc.identifier.authority | Yao, W=rp00827 | en_US |
dc.identifier.hkuros | 234274 | en_US |
dc.identifier.volume | 59 | - |
dc.identifier.issue | 1 | - |
dc.publisher.place | United States | - |
dc.identifier.issnl | 0003-0503 | - |