Focusing of electron flow in a bipolar graphene ribbon with different chiralities

Yanxia Xing; Wang; Qing-feng Sun

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Focusing of electron flow in a bipolar graphene ribbon with different chiralities

机译：具有不同手性的双极石墨烯带中电子流的聚焦

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摘要

The focusing of electron flow in a symmetric p-n junction (PNJ) of graphene ribbon with different chiralities is studied. Considering the PNJ with the sharp interface, in a armchair ribbon, the electron flow emitting from (-L,0) in n region can always be focused perfectly at (L,0) in p region in the whole Dirac fermion regime, i.e., in whole regime E_0

机译：研究了不同手性的石墨烯带对称p-n结（PNJ）中电子流的聚焦。考虑到具有尖锐界面的PNJ，在扶手椅状带中，在整个狄拉克费米子状态下，从n区（-L，0）发射的电子流始终可以完全聚焦在p区的（L，0）处，即，在整个状态下，E_0

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来源
《Physical review》 |2010年第16期|165425.1-165425.10|共10页
作者
Yanxia Xing; Wang; Qing-feng Sun;
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作者单位

Department of Physics and the Center of Theoretical and Computational Physics, The University of Hong Kong, Pokfulam Road, Hong Kong, China;

rnDepartment of Physics and the Center of Theoretical and Computational Physics, The University of Hong Kong, Pokfulam Road, Hong Kong, China;

Beijing National Laboratory for Condensed Matter Physics and Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China;

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正文语种 eng
中图分类
关键词
electronic transport in nanoscale materials and structures; ballistic transport; tunneling;

机译：纳米材料和结构中的电子传输;弹道运输;挖洞;

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5. Imaging Electron Flow in Graphene. [D] . Bhandari, Sagar. 2015

机译：成像石墨烯中的电子流。
6. Ballistic bipolar junctions in chemically gated graphene ribbons [O] . Jens Baringhaus, Alexander Stöhr, Stiven Forti, -1

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7. Focusing of electron flow in a bipolar graphene ribbon with different chiralities [O] . Xing Y, Sun QF, Wang J 2010

机译：将电子流聚焦在具有不同手性的双极石墨烯带中

Focusing of electron flow in a bipolar graphene ribbon with different chiralities

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