Paper Title:

Measurement of Carrier Lifetime Temperature Dependence in 3.3kV 4H-SiC PiN Diodes Using OCVD Technique

Periodical Materials Science Forum (Volumes 615 - 617)
Main Theme Silicon Carbide and Related Materials 2008
Edited by Amador Pérez-Tomás, Philippe Godignon, Miquel Vellvehí and Pierre Brosselard
Pages 703-706
DOI 10.4028/www.scientific.net/MSF.615-617.703
Citation Nicolas Dheilly et al., 2009, Materials Science Forum, 615-617, 703
Online since March, 2009
Authors Nicolas Dheilly, Dominique Planson, Pierre Brosselard, Jawad ul Hassan, Pascal Bevilacqua, Dominique Tournier, Josep Montserrat, Christophe Raynaud, Hervé Morel
Keywords Bipolar Diode, Carrier Lifetime Temperature-Dependence, OCVD, Open Circuit Voltage Decay
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Abstract

This paper reports on the influence of temperature on the electrical carrier lifetime of a 3.3 kV 4H-SiC PiN diode processed with a new generation of SiC material. The Open Circuit Voltage Decay (OCVD) is used to evaluate ambipolar lifetime evolution versus temperature. The paper presents a description of the setup, electrical measurements and extraction fittings. The ambipolar lifetime is found to rise from 600 ns at 30 °C to 3.5 μs at 150 °C.