Transfer characteristics in graphene field-effect transistors with Co contacts

被引:43
|
作者
Nouchi, Ryo [1 ]
Shiraishi, Masashi [1 ,2 ]
Suzuki, Yoshishige [1 ]
机构
[1] Osaka Univ, Grad Sch Engn Sci, Div Mat Phys, Toyonaka, Osaka 5608531, Japan
[2] JST, PRESTO, Kawaguchi, Saitama 3320012, Japan
关键词
D O I
10.1063/1.2998396
中图分类号
O59 [应用物理学];
学科分类号
摘要
Graphene field-effect transistors with Co contacts as source and drain electrodes show anomalous distorted transfer characteristics. The anomaly appears only in short-channel devices (shorter than approximately 3 mu m) and originates from a contact-induced effect. Band alteration of a graphene channel by the contacts is discussed as a possible mechanism for the anomalous characteristics observed. (c) 2008 American Institute of Physics.
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页数:3
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