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Zhao, F; Xu, L; Zhang, J; Zhang, J (reprint author), Xinjiang Univ, Sch Phys Sci & Technol, Urumqi 830046, Peoples R China.; Zhang, J (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Manipulating interface states in monolayer-bilayer graphene planar junctions
发表期刊JOURNAL OF PHYSICS-CONDENSED MATTER
语种英语
关键词Monolayer-bilayer Graphene Planar Junction Quantum Hall Effect Quantum Spin Hall Effect
摘要We report on transport properties of monolayer-bilayer graphene planar junctions in a magnetic field. Due to its unique geometry, the edge and interface states can be independently manipulated by either interlayer potential or Zeeman field, and the conductance exhibits interesting quantized behaviors. In the hybrid graphene junction, the quantum Hall (QH) conductance is no longer antisymmetric with respect to the charge neutrality point. When the Zeeman field is considered, a quantum spin Hall (QSH) phase is found in the monolayer region while the weak-QSH phase stays in the bilayer region. In the presence of both interlayer potential and Zeeman field, the bilayer region hosts a QSH phase, whereas the monolayer region is still in a QH phase, leading to a spin-polarized current in the interface. In particular, the QSH phase remains robust against the disorder.
2016
卷号28期号:18页码:185001
学科领域Physics
DOIhttp://dx.doi.org/10.1088/0953-8984/28/18/185001
收录类别SCI
项目资助者NSFC [11564038, 11547131, 11404276, 11265015] ; NSFC [11564038, 11547131, 11404276, 11265015] ; NSFC [11564038, 11547131, 11404276, 11265015] ; NSFC [11564038, 11547131, 11404276, 11265015] ; Xinjiang University [BS130112] ; Xinjiang University [BS130112] ; Xinjiang University [BS130112] ; Xinjiang University [BS130112]
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21652
专题理论物理所科研产出_SCI论文
通讯作者Zhang, J (reprint author), Xinjiang Univ, Sch Phys Sci & Technol, Urumqi 830046, Peoples R China.; Zhang, J (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
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GB/T 7714
Zhao, F,Xu, L,Zhang, J,et al. Manipulating interface states in monolayer-bilayer graphene planar junctions[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,2016,28(18):185001.
APA Zhao, F,Xu, L,Zhang, J,Zhang, J ,&Zhang, J .(2016).Manipulating interface states in monolayer-bilayer graphene planar junctions.JOURNAL OF PHYSICS-CONDENSED MATTER,28(18),185001.
MLA Zhao, F,et al."Manipulating interface states in monolayer-bilayer graphene planar junctions".JOURNAL OF PHYSICS-CONDENSED MATTER 28.18(2016):185001.
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