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Author | Wang, S.; Tian, H.; Sun, M. | ||||
Title | Valley-polarized and enhanced transmission in graphene with a smooth strain profile | Type | A1 Journal article | ||
Year | 2023 | Publication | Journal of physics : condensed matter | Abbreviated Journal | |
Volume | 35 | Issue | 30 | Pages | 304002-304013 |
Keywords | A1 Journal article; Condensed Matter Theory (CMT) | ||||
Abstract | We explore the influence of strain on the valley-polarized transmission of graphene by employing the wave-function matching and the non-equilibrium Green's function technique. When the transmission is along the armchair direction, we show that the valley polarization and transmission can be improved by increasing the width of the strained region and increasing (decreasing) the extensional strain in the armchair (zigzag) direction. It is noted that the shear strain does not affect transmission and valley polarization. Furthermore, when we consider the smooth strain barrier, the valley-polarized transmission can be enhanced by increasing the smoothness of the strain barrier. We hope that our finding can shed new light on constructing graphene-based valleytronic and quantum computing devices by solely employing strain. | ||||
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Publisher | Place of Publication | Editor | |||
Language | Wos | 000977124700001 | Publication Date | 2023-04-11 | |
Series Editor | Series Title | Abbreviated Series Title | |||
Series Volume | Series Issue | Edition | |||
ISSN | 0953-8984 | ISBN | Additional Links | UA library record; WoS full record; WoS citing articles | |
Impact Factor | 2.7 | Times cited | Open Access | Not_Open_Access | |
Notes | Approved | Most recent IF: 2.7; 2023 IF: 2.649 | |||
Call Number | UA @ admin @ c:irua:196718 | Serial | 8953 | ||
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