Hot-carrier effects in P-channel modified Schottky-barrier FinFETs

Chia Pin Lin*, Bing-Yue Tsui

*Corresponding author for this work

研究成果: Article同行評審

14 引文 斯高帕斯(Scopus)

摘要

High-performance p-channel modified Schottky-barrier SOI FinFETs (MSB pFinFETs) with low temperature source/drain annealing process was recently suggested for future nano-scale devices. In this letter, the hot-carrier (HC) immunity of the MSB Pfinfets with different gate lengths (Lg) and fin widths (Wf) are presented. The experimental data shows that the MSB pFinFET with narrower Wf has less hot carrier degradation than that with wider Wf. The effects of electrical field in Si fins induced from lateral-gate electrode and the degree of uniformity of source/drain extension are illustrated cautiously by two-dimensional simulation and transmission electron microscopy (TEM) micrographs, respectively. It is found that the devices with narrower Wf have weaker electrical field from gate electrode and better uniformity of source/ drain extension resulting in superior hot-carrier immunity. The projected operation voltage at ten years dc lifetime exceeds 1.6 V as the Wf is narrower than 60 nm. It is thus concluded that the MSB pFinFET would be a very promising nano device.

原文English
頁(從 - 到)394-396
頁數3
期刊IEEE Electron Device Letters
26
發行號6
DOIs
出版狀態Published - 1 六月 2005

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