標題: Hot-carrier effects in p-channel modified Schottky-barrier FinFETs
作者: Lin, CP
Tsui, BY
電子工程學系及電子研究所
Department of Electronics Engineering and Institute of Electronics
關鍵字: FinFET;hot carrier;Schottky-barrier (SB);silicon-on-insulator (SOI)
公開日期: 1-Jun-2005
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 (L-g) and fin widths (W-f) are presented. The experimental data shows that the MSB pFinFET with narrower W-f has less hot carrier degradation than that with wider W-f. 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 W-f 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 W-f is narrower than 60 nm. It is thus concluded that the MSB pFinFET would be a very promising nano device.
URI: http://dx.doi.org/10.1109/LED.2005.848096
http://hdl.handle.net/11536/13640
ISSN: 0741-3106
DOI: 10.1109/LED.2005.848096
期刊: IEEE ELECTRON DEVICE LETTERS
Volume: 26
Issue: 6
起始頁: 394
結束頁: 396
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