Time-Dependent Dielectric Breakdown in High-Voltage GaN MIS-HEMTs: The Role of Temperature

We have investigated time-dependent dielectric breakdown in high-voltage AlGaN/GaN metal-insulator-semiconductor high-electron mobility transistors, with a focus specifically on the role of temperature under positive gate stress conditions. We aim toward understanding the temperature dependence of p...

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Main Authors: Warnock, Shireen M., Lemus, Allison, Joh, Jungwoo, Krishnan, Srikanth, Pendharkar, Sameer, del Alamo, Jesus A
Other Authors: Massachusetts Institute of Technology. Microsystems Technology Laboratories
Format: Article
Published: Institute of Electrical and Electronics Engineers (IEEE) 2020
Online Access:https://hdl.handle.net/1721.1/126183
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author Warnock, Shireen M.
Lemus, Allison
Joh, Jungwoo
Krishnan, Srikanth
Pendharkar, Sameer
del Alamo, Jesus A
author2 Massachusetts Institute of Technology. Microsystems Technology Laboratories
author_facet Massachusetts Institute of Technology. Microsystems Technology Laboratories
Warnock, Shireen M.
Lemus, Allison
Joh, Jungwoo
Krishnan, Srikanth
Pendharkar, Sameer
del Alamo, Jesus A
author_sort Warnock, Shireen M.
collection MIT
description We have investigated time-dependent dielectric breakdown in high-voltage AlGaN/GaN metal-insulator-semiconductor high-electron mobility transistors, with a focus specifically on the role of temperature under positive gate stress conditions. We aim toward understanding the temperature dependence of progressive breakdown (PBD) as well as hard breakdown. We find that the temperature dependence of time-to-first breakdown, hard breakdown, and the gate current evolution during PBD all share similar, shallow activation energies that suggest a common underlying mechanism. However, the gate current noise during PBD seems to be independent of temperature and is likely due to a tunneling process. Understanding of temperature-dependent breakdown is essential to developing accurate device lifetime estimates.
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spelling mit-1721.1/1261832022-09-29T18:19:41Z Time-Dependent Dielectric Breakdown in High-Voltage GaN MIS-HEMTs: The Role of Temperature Warnock, Shireen M. Lemus, Allison Joh, Jungwoo Krishnan, Srikanth Pendharkar, Sameer del Alamo, Jesus A Massachusetts Institute of Technology. Microsystems Technology Laboratories Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science Lincoln Laboratory We have investigated time-dependent dielectric breakdown in high-voltage AlGaN/GaN metal-insulator-semiconductor high-electron mobility transistors, with a focus specifically on the role of temperature under positive gate stress conditions. We aim toward understanding the temperature dependence of progressive breakdown (PBD) as well as hard breakdown. We find that the temperature dependence of time-to-first breakdown, hard breakdown, and the gate current evolution during PBD all share similar, shallow activation energies that suggest a common underlying mechanism. However, the gate current noise during PBD seems to be independent of temperature and is likely due to a tunneling process. Understanding of temperature-dependent breakdown is essential to developing accurate device lifetime estimates. 2020-07-14T18:46:04Z 2020-07-14T18:46:04Z 2017-07 Article http://purl.org/eprint/type/JournalArticle 0018-9383 1557-9646 https://hdl.handle.net/1721.1/126183 Warnock, Shireen et al. "Time-Dependent Dielectric Breakdown in High-Voltage GaN MIS-HEMTs: The Role of Temperature." IEEE Transactions on Electron Devices 64, 8 (August 2018): 3132 - 3138 © 2017 IEEE http://dx.doi.org/10.1109/ted.2017.2717924 IEEE Transactions on Electron Devices Creative Commons Attribution-Noncommercial-Share Alike http://creativecommons.org/licenses/by-nc-sa/4.0/ application/pdf Institute of Electrical and Electronics Engineers (IEEE) Prof. del Alamo via Phoebe Ayers
spellingShingle Warnock, Shireen M.
Lemus, Allison
Joh, Jungwoo
Krishnan, Srikanth
Pendharkar, Sameer
del Alamo, Jesus A
Time-Dependent Dielectric Breakdown in High-Voltage GaN MIS-HEMTs: The Role of Temperature
title Time-Dependent Dielectric Breakdown in High-Voltage GaN MIS-HEMTs: The Role of Temperature
title_full Time-Dependent Dielectric Breakdown in High-Voltage GaN MIS-HEMTs: The Role of Temperature
title_fullStr Time-Dependent Dielectric Breakdown in High-Voltage GaN MIS-HEMTs: The Role of Temperature
title_full_unstemmed Time-Dependent Dielectric Breakdown in High-Voltage GaN MIS-HEMTs: The Role of Temperature
title_short Time-Dependent Dielectric Breakdown in High-Voltage GaN MIS-HEMTs: The Role of Temperature
title_sort time dependent dielectric breakdown in high voltage gan mis hemts the role of temperature
url https://hdl.handle.net/1721.1/126183
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