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Author:

Wang, Liying (Wang, Liying.) | Yan, Qiqi (Yan, Qiqi.) | Xu, Huaizhe (Xu, Huaizhe.) | Wang, Hailong (Wang, Hailong.) | Zhang, Gaolong (Zhang, Gaolong.) | Zhou, Xiaoping (Zhou, Xiaoping.)

Indexed by:

EI Scopus SCIE

Abstract:

Tamm states localized at the interface between a homogeneous potential barrier and a combined magneto-electric potential barriers superlattice in monolayer graphene have been theoretically investigated. The results show that the symmetries of Tamm states are different when the components of the superlattice are different. When the single unit of the superlattice consists of double anti-parallel potential barriers and two gaps, Tamm states present symmetry about momentum wave vector k(y)' = 0 at the same intensity of the homogeneous potential barrier (V-s). When the single unit of the superlattice consists of double anti-parallel magnetic potential barriers and two gaps, it demonstrates that Tamm states at positive V-s, are symmetric to that at negative V-s about the electron incident energy E-0 = 0. When the single unit of the superlattice consists of double anti-parallel combined magneto-electric potential barriers, the band gap at Dirac point is opened, Tamm states exhibit no symmetry about k(y)', or the electron incident energy whether at the same V-s or at positive and negative V-s. (C) 2016 Elsevier B.V. All rights reserved.

Keyword:

Superlattice Symmetry Monolayer graphene Tamm states

Author Community:

  • [ 1 ] [Wang, Liying]Beijing Univ Technol, Inst Theoret Phys, Beijing 100124, Peoples R China
  • [ 2 ] [Wang, Liying]Beihang Univ, State Key Lab Software Dev Environm, Beijing 100191, Peoples R China
  • [ 3 ] [Yan, Qiqi]Beihang Univ, State Key Lab Software Dev Environm, Beijing 100191, Peoples R China
  • [ 4 ] [Xu, Huaizhe]Beihang Univ, State Key Lab Software Dev Environm, Beijing 100191, Peoples R China
  • [ 5 ] [Wang, Hailong]Beihang Univ, State Key Lab Software Dev Environm, Beijing 100191, Peoples R China
  • [ 6 ] [Wang, Liying]Beihang Univ, Dept Phys, Beijing 100191, Peoples R China
  • [ 7 ] [Yan, Qiqi]Beihang Univ, Dept Phys, Beijing 100191, Peoples R China
  • [ 8 ] [Xu, Huaizhe]Beihang Univ, Dept Phys, Beijing 100191, Peoples R China
  • [ 9 ] [Wang, Hailong]Beihang Univ, Dept Phys, Beijing 100191, Peoples R China
  • [ 10 ] [Zhang, Gaolong]Beihang Univ, Sch Phys & Nucl Energy Engn, Beijing 100191, Peoples R China
  • [ 11 ] [Zhou, Xiaoping]Beihang Univ, Sch Phys & Nucl Energy Engn, Beijing 100191, Peoples R China

Reprint Author's Address:

  • [Wang, Liying]Beihang Univ, State Key Lab Software Dev Environm, Beijing 100191, Peoples R China;;[Xu, Huaizhe]Beihang Univ, State Key Lab Software Dev Environm, Beijing 100191, Peoples R China;;[Wang, Liying]Beihang Univ, Dept Phys, Beijing 100191, Peoples R China;;[Xu, Huaizhe]Beihang Univ, Dept Phys, Beijing 100191, Peoples R China

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Source :

PHYSICS LETTERS A

ISSN: 0375-9601

Year: 2016

Issue: 40

Volume: 380

Page: 3297-3301

2 . 6 0 0

JCR@2022

ESI Discipline: PHYSICS;

ESI HC Threshold:175

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 2

SCOPUS Cited Count: 2

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 6

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