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4H-SiC VDMOS – drift-region saturation, channel saturation and their order of appearance

IMHAMMAD ABOOD1, PETAR M. LUKIĆ2,* , RAJKO M. ŠAŠIĆ1, ABED ALKHEM ALKOASH1, STANKO M. OSTOJIĆ1

Affiliation

  1. University of Belgrade, Faculty of Technology and Metallurgy, Serbia
  2. University of Belgrade, Faculty of Mechanical Engineering, Serbia

Abstract

4H-SiC VDMOS is a peculiar semiconductor structure with two considerably different recognized regions. One of them is a vertical drift region, whereas the other one appears as a horizontal channel with its left and right sections corresponding to source bias. In each of these regions current-voltage characterisic can become saturated regardless of the status of the other region, thus making possible several operation modes of the considered devices. The investigation of the onset of these saturations in their order of appearance is the goal of this paper..

Keywords

4H-SiC VDMOS, Drift-region saturation, Channel saturation.

Citation

IMHAMMAD ABOOD, PETAR M. LUKIĆ, RAJKO M. ŠAŠIĆ, ABED ALKHEM ALKOASH, STANKO M. OSTOJIĆ, 4H-SiC VDMOS – drift-region saturation, channel saturation and their order of appearance, Optoelectronics and Advanced Materials - Rapid Communications, 7, 5-6, May-June 2013, pp.329-333 (2013).

Submitted at: Oct. 31, 2012

Accepted at: June 12, 2013