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