Effects of fabrication process on current-voltage characteristics of carbon nanotube field effect transistors

被引:19
作者
Mizutani, T [1 ]
Iwatsuki, S [1 ]
Ohno, Y [1 ]
Kishimoto, S [1 ]
机构
[1] Nagoya Univ, Dept Quantum Engn, Chikusa Ku, Nagoya, Aichi 4648603, Japan
来源
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2005年 / 44卷 / 4A期
关键词
carbon nanotube; field effect transistor; hysteresis; ambipolar characteristics; SiNx; backgate; top gate;
D O I
10.1143/JJAP.44.1599
中图分类号
O59 [应用物理学];
学科分类号
摘要
The effects of the fabrication process on the current-voltage (I-V) characteristics of carbon nanotube field effect transistors (CNT-FETs) were studied in detail. A large hysteresis observed in the I-V characteristics of the CNT-FETs having no passivation film became small by passivating the device surface with a SiNx film. The conduction behaivior of the CNT-FETs changed from p-type to ambipolar characteristics by SiNx passivation. Ambipolar characteristics were also observed in the top-gate CNT-FETs with a gate-source spacing of 2 mu m.
引用
收藏
页码:1599 / 1602
页数:4
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