Tiwari, Ravi ; Parihar, Narendra ; Thakor, Karansingh ; Wong, Hiu Yung ; Motzny, Steve ; Choi, Munkang ; Moroz, Victor ; Mahapatra, Souvik (2019) A 3-D TCAD Framework for NBTI, Part-II: Impact of Mechanical Strain, Quantum Effects, and FinFET Dimension Scaling IEEE Transactions on Electron Devices, 66 (5). pp. 2093-2099. ISSN 0018-9383
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Official URL: http://doi.org/10.1109/TED.2019.2906293
Related URL: http://dx.doi.org/10.1109/TED.2019.2906293
Abstract
The TCAD framework developed in part-I of this paper is used to study the impact of fin length (FL) and fin width (FW) scaling on interface trap generation (ΔV IT ) during negative bias temperature instability (NBTI) in FinFETs. Structure and mechanical stress are obtained by Sentaurus process. Sentaurus device having capture-emission depassivation (CED) and multistate configuration (MSC) models are used for the trap kinetics. The mechanical strain and quantum confinement (QC) impacts are considered. The framework is validated using measured data from p-FinFETs having different FL and FW. The calibrated framework is used to estimate the impact of scaling on NBTI for 14-nm technology node and below. Different scenarios such as iso-stress bias (VGSTR) versus iso-stress overdrive (OD), and devices having iso-workfunction (WF) or iso-off current (I OFF ) are used for comparison.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Institute of Electrical and Electronic Engineers. |
| ID Code: | 123927 |
| Deposited On: | 25 Oct 2021 07:20 |
| Last Modified: | 25 Oct 2021 07:20 |
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