Electrothermal Modeling and Analysis of Gallium Oxide Power Switching Devices: Preprint

Ramchandra Kotecha, Bidzina Kekelia, Gilberto Moreno, Paul Paret, Wyatt Metzger, Barry Mather, Kevin Bennion, Sreekant Narumanchi, Andriy Zakutayev, Samuel Graham, Samuel Kim

Research output: Contribution to conferencePaper

Abstract

Gallium oxide is an emerging wide band-gap material that has the potential to penetrate the power electronics market in the near future. In this paper, a finite-element gallium oxide semiconductor model is presented that can predict the electrical and thermal characteristics of the device. The finite element model of the two-dimensional device architecture is developed inside the Sentaurus environment. A vertical FinFET device architecture is employed to assess the device's behavior and its static and dynamic behavior. Enhancement-mode device operation is realized with this type of device architecture without the need for any selective area doping. The dynamic thermal behavior of the device is characterized through its short-circuit behavior. Based on the device static and dynamic behavior, it is envisioned that reliable vertical transistors can be fabricated for the power electronics applications.
Original languageAmerican English
Number of pages7
StatePublished - 2019
EventASME 2019 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems (IPACK2019) - Anaheim, California
Duration: 7 Oct 20199 Oct 2019

Conference

ConferenceASME 2019 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems (IPACK2019)
CityAnaheim, California
Period7/10/199/10/19

Bibliographical note

See NREL/CP-5400-76109 for paper as published in ASME proceedings

NREL Publication Number

  • NREL/CP-5400-73791

Keywords

  • gallium oxide devices
  • high-voltage devices
  • power electronics
  • power semiconductor devices
  • ultra
  • wide band-gap
  • wide band-gap devices

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