单材料和三材料 10 纳米三栅极 FinFET 的比较分析

IF 0.8 4区 物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY Journal of the Korean Physical Society Pub Date : 2024-09-04 DOI:10.1007/s40042-024-01169-6
Shankhamitra Sunani, Satya Sopan Mahato, Kanjalochan Jena, Raghunandan Swain
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引用次数: 0

摘要

通过针对低功耗应用的技术计算机辅助设计(TCAD)仿真,对具有单材料(SMG)和三材料(TMG)栅极的 10 nm 以下栅极长度三栅极鳍式场效应晶体管进行了全面的性能分析。TMG 器件的栅极由三种具有不同功函数的金属构成。为了降低漏极诱导势垒降低(DIBL)并提高跨导,靠近源极的栅极功函数高于靠近漏极的栅极功函数。我们获得了直流和模拟/射频数据,并对 SMG 和 TMG 器件进行了分析和比较。令人信服的是,在 TMG 结构中,器件的关断电流(IOFF)大幅降低,导通电流(ION)得到改善,从而实现了更好的开关比。此外,TMG 三栅极 FinFET 器件结构在 VGS = 0.16 V 和 VDS = 0.1 V 时的峰值跨导为 5.1756 µA/V,在 VGS = 1 V 时的输出电导为 7.45 µA/V,在 VDS = 0.1 V 时的次阈值斜率为 120 mV/decade,在 VDS = 0.1 V 时的 ION/IOFF 比为 557.12,DIBL 为 33 mV/V。而 SMG 三栅极 FinFET 在 VGS = 0.4 V 和 VDS = 0.1 V 时的峰值跨导为 4.28 µA/V,在 VGS = 1 V 时的输出电导为 5.88 µA/V,在 VDS = 0.1 V 时的次阈值斜率为 300 mV/decade,在 VDS = 0.1 V 时的 ION/IOFF 比为 21.29,DIBL 为 55 mV/V。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Comparative analysis of single and triple material 10 nm Tri-gate FinFET

A thorough performance analysis of sub-10 nm gate-length Tri-gate Fin-FETs with gates having single material (SMG) and triple material (TMG) has been conducted through technology computer-aided design (TCAD) simulations for low-power applications. The gate of the TMG device is formed of three metals with distinct work functions. To decrease the drain-induced barrier lowering (DIBL) and increase transconductance, the gate work function near the source is higher than near the drain. The DC and analog/RF are obtained, analyzed, and compared between SMG and TMG devices. It is engrossing that, the device’s OFF current (IOFF) is drastically reduced and the ON current (ION) is improved in the TMG structure leading to a better switching ratio. Also, TMG Tri-gate FinFET device structures provide an excellent peak transconductance of 5.1756 µA/V at VGS = 0.16 V and VDS = 0.1 V, output conductance of 7.45 µA/V at VGS = 1 V, a subthreshold slope of 120 mV/decade at VDS = 0.1 V, an ION/IOFF ratio of 557.12 at VDS = 0.1 V, and DIBL of 33 mV/V. Whereas the SMG Tri-gate FinFET has a peak transconductance of 4.28 µA/V at VGS = 0.4 V and VDS = 0.1 V, output conductance of 5.88 µA/V at VGS = 1 V, a subthreshold slope of 300 mV/decade at VDS = 0.1 V, an ION/IOFF ratio of 21.29 at VDS = 0.1 V, and DIBL of 55 mV/V.

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来源期刊
Journal of the Korean Physical Society
Journal of the Korean Physical Society PHYSICS, MULTIDISCIPLINARY-
CiteScore
1.20
自引率
16.70%
发文量
276
审稿时长
5.5 months
期刊介绍: The Journal of the Korean Physical Society (JKPS) covers all fields of physics spanning from statistical physics and condensed matter physics to particle physics. The manuscript to be published in JKPS is required to hold the originality, significance, and recent completeness. The journal is composed of Full paper, Letters, and Brief sections. In addition, featured articles with outstanding results are selected by the Editorial board and introduced in the online version. For emphasis on aspect of international journal, several world-distinguished researchers join the Editorial board. High quality of papers may be express-published when it is recommended or requested.
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