Nearly perfect valley filter in silicene
Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal
Related Research Unit(s)
|Journal / Publication||Journal of Physics Condensed Matter|
|Publication status||Published - 13 Jan 2016|
|Link to Scopus||https://www.scopus.com/record/display.uri?eid=2-s2.0-84955500431&origin=recordpage|
We demonstrate theoretically how a perfect valley filter can be obtained in silicene under the effects of a ferromagnetic stripe and an electric field perpendicular to silicene. A ferromagnetic stripe or an electric field alone can not generate any valley polarization in silicene, but a combination of them can make a perfect valley filter. Two configurations, one with magnetization of the ferromagnetic stripe being perpendicular to the silicene plane and one being parallel to the current direction, are considered. Our proposed device is useful for the realization of a valley beam filter in the development of valleytronic devices.
- silicone, valley filter, valleytronics