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Type: 
Conference
Description: 
In this paper, near interface traps (NITs) in lateral 4H-SiC MOSFETs were investigated employing temperature dependent transient gate capacitance measurements (Ct). The Ct measurements as a function of temperature indicated that the effective NITs discharge time is temperature independent and electrons from NITs are emitted toward the semiconductor via-tunnelling and/or trap-to-trap tunnelling. The NITs discharge time was modelled taking into account also the interface state density in a distributed circuit and it allowed to locate traps within a distance of about 1.3 nm from the SiO 2/4H-SiC interface.
Publisher: 
Trans Tech Publications Ltd
Publication date: 
1 Jan 2018
Authors: 

Patrick Fiorenza, Ferdinando Iucolano, Mario Saggio, Fabrizio Roccaforte

Biblio References: 
Volume: 924 Pages: 285-288
Origin: 
Materials Science Forum