Journal
EPL
Volume 87, Issue 4, Pages -Publisher
EPL ASSOCIATION, EUROPEAN PHYSICAL SOCIETY
DOI: 10.1209/0295-5075/87/47005
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Funding
- KAKENHI
- MEXT, Japan [08J56061]
- K-II: Grant-in-Aid for Young Scientists [B-19740189]
- Institut de Physique Fondamentale (IPF) in Bordeaux
- Grants-in-Aid for Scientific Research [08J56061] Funding Source: KAKEN
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A graphene pn junction is studied theoretically in the presence of both intrinsic and Rashba spin-orbit couplings. We show that a crossover from perfect reflection to perfect transmission is achieved at normal incidence by tuning the perpendicular electric field. By further studying angular-dependent transmission, we demonstrate that perfect reflection at normal incidence can be clearly distinguished from trivial band gap effects. We also investigate how spin-orbit effects modify the conductance and the Fano factor associated with a potential step in both nn and np cases. Copyright (C) EPLA, 2009
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