Improvement of transfer characteristic for carbon nanotube field effect transistor with poly crystalline PbZrxTi1-xO3 gate by ionic liquid

被引：8

作者：

Kataoka, Shogo ^{[1
]}

Arie, Takayuki ^{[1
,2
]}

Akita, Seiji ^{[1
,2
]}

机构：

[1] Osaka Prefecture Univ, Dept Phys & Elect, Naka Ku, Sakai, Osaka 5998531, Japan

[2] Japan Sci & Technol Agcy, CREST, Kawaguchi, Saitama 3320012, Japan

来源：

APPLIED PHYSICS LETTERS | 2011年 / 99卷 / 22期

基金：

日本学术振兴会;

关键词：

carbon nanotubes; dielectric hysteresis; dielectric polarisation; field effect transistors; lead compounds;

D O I：

10.1063/1.3665186

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have investigated the transfer characteristics of carbon nanotube (CNT) field effect transistors (FETs) with poly crystalline PbZrxTi1-xO3 (PZT) gate with the application of ionic liquid. The transconductance of the devices was improved more than three times by applying ionic liquid with high reproducibility. In addition, the FETs including metallic CNTs are preferable to obtain clockwise hysteresis induced by polarization reversal of the PZT gate because of the efficient electric field concentration just beneath the CNT channel. The low voltage operation around 1V has been achieved due to the electric field concentration even for the polycrystalline PZT gate. (C) 2011 American Institute of Physics. [doi:10.1063/1.3665186]

引用

页数：3

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