Please use this identifier to cite or link to this item:
https://doi.org/10.1038/s41467-017-02671-1
DC Field | Value | |
---|---|---|
dc.title | Spin Hall photoconductance in a three-dimensional topological insulator at room temperature | |
dc.contributor.author | Seifert, P | |
dc.contributor.author | Vaklinova, K | |
dc.contributor.author | Ganichev, S | |
dc.contributor.author | Kern, K | |
dc.contributor.author | Burghard, M | |
dc.contributor.author | Holleitner, A.W | |
dc.date.accessioned | 2020-10-20T10:01:00Z | |
dc.date.available | 2020-10-20T10:01:00Z | |
dc.date.issued | 2018 | |
dc.identifier.citation | Seifert, P, Vaklinova, K, Ganichev, S, Kern, K, Burghard, M, Holleitner, A.W (2018). Spin Hall photoconductance in a three-dimensional topological insulator at room temperature. Nature Communications 9 (1) : 331. ScholarBank@NUS Repository. https://doi.org/10.1038/s41467-017-02671-1 | |
dc.identifier.issn | 2041-1723 | |
dc.identifier.uri | https://scholarbank.nus.edu.sg/handle/10635/178464 | |
dc.description.abstract | Three-dimensional topological insulators are a class of Dirac materials, wherein strong spin-orbit coupling leads to two-dimensional surface states. The latter feature spin-momentum locking, i.e., each momentum vector is associated with a spin locked perpendicularly to it in the surface plane. While the principal spin generation capability of topological insulators is well established, comparatively little is known about the interaction of the spins with external stimuli like polarized light. We observe a helical, bias-dependent photoconductance at the lateral edges of topological Bi2Te2Se platelets for perpendicular incidence of light. The same edges exhibit also a finite bias-dependent Kerr angle, indicative of spin accumulation induced by a transversal spin Hall effect in the bulk states of the Bi2Te2Se platelets. A symmetry analysis shows that the helical photoconductance is distinct to common longitudinal photoconductance and photocurrent phenomena, but consistent with optically injected spins being transported in the side facets of the platelets. © 2018 The Author(s). | |
dc.publisher | Nature Publishing Group | |
dc.rights | Attribution 4.0 International | |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | |
dc.source | Unpaywall 20201031 | |
dc.subject | comparative study | |
dc.subject | insulation | |
dc.subject | momentum | |
dc.subject | polarization | |
dc.subject | three-dimensional modeling | |
dc.subject | topology | |
dc.subject | vector | |
dc.subject | article | |
dc.subject | human cell | |
dc.subject | incidence | |
dc.subject | room temperature | |
dc.subject | stimulus | |
dc.subject | thrombocyte | |
dc.type | Article | |
dc.contributor.department | CENTRE FOR ADVANCED 2D MATERIALS | |
dc.description.doi | 10.1038/s41467-017-02671-1 | |
dc.description.sourcetitle | Nature Communications | |
dc.description.volume | 9 | |
dc.description.issue | 1 | |
dc.description.page | 331 | |
dc.published.state | published | |
Appears in Collections: | Staff Publications Elements |
Show simple item record
Files in This Item:
File | Description | Size | Format | Access Settings | Version | |
---|---|---|---|---|---|---|
10_1038_s41467-017-02671-1.pdf | 1.23 MB | Adobe PDF | OPEN | None | View/Download |
This item is licensed under a Creative Commons License