Full Valley and Spin Polarizations in Strained Graphene with Rashba Spin Orbit Coupling and Magnetic Barrier

We propose a graphene-based full valley- and spin-polarization device based on strained graphene with Rashba spin orbit coupling and magnetic barrier. The underlying mechanism is the coexistence of the valley and single spin band gaps in a certain Fermi energy. By aligning the Fermi energy in the va...

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Main Authors: Wu, Qing-Ping, Liu, Zheng-Fang, Chen, Ai-Xi, Xiao, Xian-Bo, Liu, Zhi-Min
Format: Online Article Text
Language:English
Published: Nature Publishing Group 2016
Subjects:
Article
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4761925/
https://www.ncbi.nlm.nih.gov/pubmed/26898836
http://dx.doi.org/10.1038/srep21590
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author Wu, Qing-Ping
Liu, Zheng-Fang
Chen, Ai-Xi
Xiao, Xian-Bo
Liu, Zhi-Min
author_facet Wu, Qing-Ping
Liu, Zheng-Fang
Chen, Ai-Xi
Xiao, Xian-Bo
Liu, Zhi-Min
author_sort Wu, Qing-Ping
collection PubMed
description We propose a graphene-based full valley- and spin-polarization device based on strained graphene with Rashba spin orbit coupling and magnetic barrier. The underlying mechanism is the coexistence of the valley and single spin band gaps in a certain Fermi energy. By aligning the Fermi energy in the valley and single spin band gaps, remarkable valley- and spin-polarization currents can be accessed.
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spelling pubmed-47619252016-02-29 Full Valley and Spin Polarizations in Strained Graphene with Rashba Spin Orbit Coupling and Magnetic Barrier Wu, Qing-Ping Liu, Zheng-Fang Chen, Ai-Xi Xiao, Xian-Bo Liu, Zhi-Min Sci Rep Article We propose a graphene-based full valley- and spin-polarization device based on strained graphene with Rashba spin orbit coupling and magnetic barrier. The underlying mechanism is the coexistence of the valley and single spin band gaps in a certain Fermi energy. By aligning the Fermi energy in the valley and single spin band gaps, remarkable valley- and spin-polarization currents can be accessed. Nature Publishing Group 2016-02-22 /pmc/articles/PMC4761925/ /pubmed/26898836 http://dx.doi.org/10.1038/srep21590 Text en Copyright © 2016, Macmillan Publishers Limited http://creativecommons.org/licenses/by/4.0/ This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
spellingShingle Article
Wu, Qing-Ping
Liu, Zheng-Fang
Chen, Ai-Xi
Xiao, Xian-Bo
Liu, Zhi-Min
Full Valley and Spin Polarizations in Strained Graphene with Rashba Spin Orbit Coupling and Magnetic Barrier
title Full Valley and Spin Polarizations in Strained Graphene with Rashba Spin Orbit Coupling and Magnetic Barrier
title_full Full Valley and Spin Polarizations in Strained Graphene with Rashba Spin Orbit Coupling and Magnetic Barrier
title_fullStr Full Valley and Spin Polarizations in Strained Graphene with Rashba Spin Orbit Coupling and Magnetic Barrier
title_full_unstemmed Full Valley and Spin Polarizations in Strained Graphene with Rashba Spin Orbit Coupling and Magnetic Barrier
title_short Full Valley and Spin Polarizations in Strained Graphene with Rashba Spin Orbit Coupling and Magnetic Barrier
title_sort full valley and spin polarizations in strained graphene with rashba spin orbit coupling and magnetic barrier
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4761925/
https://www.ncbi.nlm.nih.gov/pubmed/26898836
http://dx.doi.org/10.1038/srep21590
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