Displacement damage and total ionisation dose effects on 4H‐SiC power devices

P Hazdra, S Popelka - IET Power Electronics, 2019 - Wiley Online Library
A comprehensive study of displacement damage and total ionisation dose effects on 4H‐
silicon carbide power devices is presented. Power diodes and transistors produced by …

Radiation Defects Created in n‐Type 4H‐SiC by Electron Irradiation in the Energy Range of 1–10 MeV

P Hazdra, J Vobecký - physica status solidi (a), 2019 - Wiley Online Library
Radiation damage produced in 4H‐SiC n‐epilayers by electrons of different energies is
presented. Junction barrier Schottky power SiC diodes are irradiated with 1.05, 2.1, 5, and …

[HTML][HTML] Charge pumping electrically detected magnetic resonance of silicon carbide power transistors

CTK Lew, VK Sewani, T Ohshima… - Journal of Applied …, 2023 - pubs.aip.org
Silicon carbide (SiC) power devices are becoming central components in high voltage
electronics. However, defects at interfaces and in the bulk continue to severely impact their …

Radiation resistance of high-voltage silicon and 4H-SiC power pin diodes

P Hazdra, P Smrkovský, J Vobecký… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
The different effect of displacement damage produced by neutron irradiation on the static
characteristics of 4.5-kV silicon and 4H silicon carbide (SiC) pin power diodes is explained …

Radiation resistance of wide‐bandgap semiconductor power transistors

P Hazdra, S Popelka - physica status solidi (a), 2017 - Wiley Online Library
Radiation resistance of state‐of‐the‐art commercial wide‐bandgap power transistors, 1700
V 4H‐SiC power MOSFETs and 200 V GaN HEMTs, to the total ionization dose was …

Lifetime control in SiC PiN diodes using radiation defects

P Hazdra, S Popelka - Materials Science Forum, 2017 - Trans Tech Publ
Application of radiation defects for lifetime control in contemporary SiC PiN diodes was
investigated using the calibrated device simulator ATLAS from Silvaco, Inc. Recombination …

Modulating properties by light ion irradiation: From novel functional materials to semiconductor power devices

Y Yuan, S Zhou, X Wang - Journal of Semiconductors, 2022 - iopscience.iop.org
In this review, the application of light ion irradiation is discussed for tailoring novel functional
materials and for improving the performance in SiC or Si based electrical power devices …

Impact of 0.9 MeV electron irradiation on main properties of high voltage vertical power 4H-SiC MOSFETs

AA Lebedev, VV Kozlovski, ME Levinshtein… - Radiation Physics and …, 2020 - Elsevier
We report the results of a study into the impact of irradiation with 0.9 MeV electrons on the
main properties of 4H-SiC MOSFETs of 1.2 kV class at irradiation doses Φ within the range …

Irradiation effect of primary knock-on atoms on conductivity compensation in N-type 4H-SiC Schottky diode under various irradiations

H Li, C Liu, Y Zhang, C Qi, Y Wei, J Zhou… - Semiconductor …, 2019 - iopscience.iop.org
The electrical properties, defects and conductivity recombination mechanism of electron and
ion irradiations were investigated in n-type 4H-SiC Schottky diodes. The incident particles …

Optimization of SiC power pin diode parameters by proton irradiation

P Hazdra, S Popelka, A Schöner - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Local lifetime reduction by proton irradiation was used to optimize the static and dynamic
parameters of a 10 kV SiC pin diode. Carrier lifetime was reduced locally at the anode side …