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

来源：

APPLIED PHYSICS LETTERS | 2008年 / 93卷 / 15期

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.

引用

页数：3

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