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 …

Charge-transfer interatomic potential to reproduce 30° partial dislocation movements for 4H-SiC in the surface vicinity and its application to BPD-TED conversion

A Hirano, H Sakakima, A Hatano, S Izumi - Computational Materials …, 2024 - Elsevier
Abstract 4H-SiC has recently attracted attention as a new power semiconductor material to
replace silicon. One of the challenges impeding its practical use is the elimination of killer …

Molecular dynamics simulating the effects of Shockley-type stacking faults on the radiation displacement cascades in 4H-SiC

S Jiang, Y Li, Y Zhang, C Chen, Z Chen, W Zhu, H He… - RSC …, 2024 - pubs.rsc.org
Four-layer hexagonal silicon carbide (4H-SiC) is a promising material for high-temperature
and radiation-rich environments due to its excellent thermal conductivity and radiation …

Modeling the effect of mechanical stress on bipolar degradation in 4H-SiC power devices

H Sakakima, A Goryu, A Kano, A Hatano… - Journal of Applied …, 2020 - pubs.aip.org
Bipolar degradation, which is caused by the expansion of stacking faults (SFs) during
operation, has been a serious issue in 4H-SiC power devices. To evaluate the threshold …

Modeling of bipolar degradations in 4H-SiC power MOSFET devices by a 3C-SiC inclusive layer consideration in the drift region

A Lachichi, P Mawby - IEEE Transactions on Power Electronics, 2021 - ieeexplore.ieee.org
The reliability of 4H-SiC power devices accounts not only to power packages but as well to
SiC materials which contain defects that impact the performance of power converters. A …

4H to 3C Polytypic Transformation in Al+ Implanted SiC During High Temperature Annealing

L Kuebler, E Hershkovitz, D Kouzminov… - Electronic Materials …, 2024 - Springer
Polytypism in SiC has created interest and opportunity for device heterostructures and
bandgap engineering in power electronic applications. As each SiC polytype possesses a …

[HTML][HTML] The perspectives of diamond for 3H and 63Ni betavoltaic power sources, comparison with 4H–SiC

SI Maximenko - AIP Advances, 2023 - pubs.aip.org
Recently, power sources that utilize radioisotope energy conversion, specifically the
betavoltaic effect, have gained more attention due to the increasing demand for energy …

Coherent Fourier Scatterometry for detection of killer defects on silicon carbide samples

J Rafighdoost, D Kolenov… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
It has been a widely growing interest in using silicon carbide (SiC) in high-power electronic
devices. Yet, SiC wafers may contain killer defects that could reduce fabrication yield and …

Comparative study of the effect of van der Waals interactions on stacking fault energies in SiC

H Sakakima, A Hatano, S Izumi - Journal of Applied Physics, 2021 - pubs.aip.org
Van der Waals (vdW) interactions have recently been demonstrated to have a non-
negligible effect on the theoretical polytype stability and stacking fault energies of SiC …

First-principles investigation of the effects of excess carriers on the polytype stability and stacking fault energies of SiC

H Sakakima, S Izumi - Journal of Applied Physics, 2023 - pubs.aip.org
The characteristic polytype behaviors of SiC and accompanying low stacking fault energies
are known to cause engineering issues, including polytype inclusions and bipolar …