Year: 2018
Type: article
Abstract: The appearance of half-metallicity, modulated by a transverse electric field, in stanene nanoribbons could be exploited to generate highly spin-polarized currents in tunnel-field-effect transistors. In particular, the sensitivity of interband tunneling to small modulations of stanene's band gap, its reduced dependence on temperature, and its robustness against the presence of defects, lead to calculations suggesting that one can obtain tunable, 98% spin-polarized current with a small applied voltage on the control electrode. The proposed device could be useful in exploring innovative concepts of spin injectors or filters, which are fundamental building blocks of spintronics.
Source: Physical Review Applied
Authors: E. G. Marin, D. Marian, G. Iannaccone, G. Fiori
Institution: University of Pisa
Language: English
Subfield: Materials Chemistry
Field: Materials Science
Domain: Physical Sciences
Open Access status: green
Funder: Graphene Flagship
OpenAlex ID: W2898186997