Transmission through a boundary between monolayer and bilayer graphene

被引：81
|
作者：
Nakanishi, Takeshi [1 ]
Koshino, Mikito [2 ]
Ando, Tsuneya [2 ]
机构：
[1] AIST, Nanotube Res Ctr, Tsukuba, Ibaraki 3058565, Japan
[2] Tokyo Inst Technol, Dept Phys, Meguro Ku, Tokyo 1528551, Japan
来源：
PHYSICAL REVIEW B | 2010年 / 82卷 / 12期
关键词：
2-DIMENSIONAL GRAPHITE SYSTEM; PERFECTLY CONDUCTING CHANNEL; CARBON NANOTUBES; BERRYS PHASE; SEMICONDUCTOR HETEROINTERFACES; TRANSPORT-PROPERTIES; ELECTRON-TRANSPORT; ENVELOPE FUNCTIONS; BACK SCATTERING; RIBBONS;
D O I：
10.1103/PhysRevB.82.125428
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The electron transmission between monolayer and bilayer graphene is theoretically studied for zigzag and armchair boundaries within an effective-mass scheme. Due to the presence of an evanescent wave in the bilayer graphene, traveling modes are well connected to each other. The transmission through the boundary is strongly dependent on the incident angle and the dependence is opposite between the K and K' points, leading to valley polarization of transmitted wave.
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页数：14
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