Defect engineering in SiC technology for high-voltage power devices

T Kimoto, H Watanabe - Applied Physics Express, 2020 - iopscience.iop.org
Major features of silicon carbide (SiC) power devices include high blocking voltage, low on-
state loss, and fast switching, compared with those of the Si counterparts. Through recent …

Heterojunctions and superlattices based on silicon carbide

AA Lebedev - Semiconductor science and technology, 2006 - iopscience.iop.org
In addition to possessing unique electrical properties, silicon carbide (SiC) can crystallize in
different modifications (polytypes). Having the same chemical nature, SiC polytypes may …

Degradation of hexagonal silicon-carbide-based bipolar devices

M Skowronski, S Ha - Journal of applied physics, 2006 - pubs.aip.org
Only a few years ago, an account of degradation of silicon carbide high-voltage pin diodes
was presented at the European Conference on Silicon Carbide and Related Compounds …

A new degradation mechanism in high-voltage SiC power MOSFETs

A Agarwal, H Fatima, S Haney… - IEEE Electron Device …, 2007 - ieeexplore.ieee.org
The phenomenon of recombination-induced stacking faults in high-voltage pn diodes in SiC
has been previously shown to increase the forward voltage drop due to reduction of minority …

Reliability and performance limitations in SiC power devices

R Singh - Microelectronics reliability, 2006 - Elsevier
Despite silicon carbide's (SiC's) high breakdown electric field, high thermal conductivity and
wide bandgap, it faces certain reliability challenges when used to make conventional power …

New materials for radiation hard semiconductor dectectors

PJ Sellin, J Vaitkus - Nuclear Instruments and Methods in Physics …, 2006 - Elsevier
We present a review of the current status of research into new semiconductor materials for
use as particle tracking detectors in very high radiation environments. This work is carried …

Suppression of stacking fault expansion in a 4H-SiC epitaxial layer by proton irradiation

S Harada, T Mii, H Sakane, M Kato - Scientific Reports, 2022 - nature.com
SiC bipolar degradation, which is caused by stacking fault expansion from basal plane
dislocations in a SiC epitaxial layer or near the interface between the epitaxial layer and the …

Recombination-induced stacking faults: evidence for a general mechanism in hexagonal SiC

A Galeckas, J Linnros, P Pirouz - Physical review letters, 2006 - APS
We report on optically induced nucleation and expansion of stacking faults in hexagonal SiC
structures. The activation energy for partial dislocation glide under optical excitation is found …

Injected carrier concentration dependence of the expansion of single Shockley-type stacking faults in 4H-SiC PiN diodes

T Tawara, S Matsunaga, T Fujimoto, M Ryo… - Journal of Applied …, 2018 - pubs.aip.org
We investigated the relationship between the dislocation velocity and the injected carrier
concentration on the expansion of single Shockley-type stacking faults by monitoring the …

Basal plane dislocation reduction in 4H-SiC epitaxy by growth interruptions

RE Stahlbush, BL VanMil, RL Myers-Ward… - Applied Physics …, 2009 - pubs.aip.org
The paths of basal plane dislocations (BPDs) through 4 H-SiC epitaxial layers grown on
wafers with an 8 offcut were tracked using ultraviolet photoluminescence imaging. The …