Evaluation of sweep modes for switch response on ferroelectric negative-capacitance FETs

被引：5
|
作者：
Chen, Kuan-Ting [1 ,2 ]
Chou, Yu-Chen [1 ]
Siang, Gao-Yu [1 ]
Chen, Hong-Yu [1 ]
Lo, Chieh [1 ]
Liao, Chun-Yu [1 ]
Chang, Shu-Tong [2 ]
Lee, Min-Hung [1 ]
机构：
[1] Natl Taiwan Normal Univ, Inst Electroopt Sci & Technol, Taipei, Taiwan
[2] Natl Chung Hsing Univ, Dept Elect Engn, Taichung, Taiwan
来源：
APPLIED PHYSICS EXPRESS | 2019年 / 12卷 / 07期
关键词：
Ferroelectricity; -; Capacitance;
D O I：
10.7567/1882-0786/ab2600
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The sweep modes of gate voltages correlate with the characteristics of ferroelectric negative-capacitance field-effect transistors. Both DC steps and AC pulse sweeps are applied to evaluate the switch response and establish a related model. The subthreshold swing (SS) is unchanged in a DC sweep speed range of 640 mu s step(-1) to 267 ms step(-1). An improved SS is obtained using an AC pulse sweep due to its more stimulated charge for polarization by a multiple-pulse trigger, and the related model is presented with the classical spring-mass system concept. (C) 2019 The Japan Society of Applied Physics
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页数：7
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