Ion implantation do** in silicon carbide and gallium nitride electronic devices

F Roccaforte, F Giannazzo, G Greco - Micro, 2022 - mdpi.com
Wide band gap semiconductors such as silicon carbide (SiC) and gallium nitride (GaN) are
excellent materials for the next generation of high-power and high-frequency electronic …

Vertical GaN junction barrier Schottky diodes with near-ideal performance using Mg implantation activated by ultra-high-pressure annealing

D Khachariya, S Stein, W Mecouch… - Applied Physics …, 2022 - iopscience.iop.org
We report a kV class, low ON-resistance, vertical GaN junction barrier Schottky (JBS) diode
with selective-area p-regions formed via Mg implantation followed by high-temperature, ultra …

Effects of the sequential implantation of Mg and N ions into GaN for p-type do**

H Sakurai, T Narita, K Kataoka, K Hirukawa… - Applied Physics …, 2021 - iopscience.iop.org
The sequential implantation of Mg and N ions into GaN was investigated using conventional
rapid thermal annealing and ultra-high-pressure annealing (UHPA). In …

Analysis of vertical GaN JBS and pn diodes by Mg ion implantation and ultrahigh-pressure annealing

SR Stein, D Khachariya, W Mecouch… - … on Electron Devices, 2023 - ieeexplore.ieee.org
We report on vertical GaN junction barrier Schottky (JBS) diodes formed by Mg ion
implantation and ultrahigh-pressure annealing (UHPA). The static ON-state characteristics of …

Schottky contacts on ultra-high-pressure-annealed GaN with high rectification ratio and near-unity ideality factor

SR Stein, D Khachariya, S Mita… - Applied Physics …, 2023 - iopscience.iop.org
We investigate the electrical characteristics of Ni Schottky contacts on n-type GaN films that
have undergone ultra-high-pressure annealing (UHPA), a key processing step for activating …

Defect-mediated diffusion of implanted Mg in GaN: Suppressing dopant redistribution by sequential thermal and microwave annealing

V Meyers, E Rocco, B McEwen, M Shevelev… - Journal of Applied …, 2023 - pubs.aip.org
The diffusion behavior of Mg in Mg/N co-implanted GaN is investigated in response to a set
of annealing conditions and methodologies, namely, 1000 C/30 min thermal anneal, by high …

[HTML][HTML] P-type conductivity and suppression of green luminescence in Mg/N co-implanted GaN by gyrotron microwave annealing

V Meyers, E Rocco, K Hogan, B McEwen… - Journal of Applied …, 2021 - pubs.aip.org
Co-implantation of Mg with N has been shown to improve p-type conductivity in Mg-
implanted GaN. Achievement of p-type material still requires temperatures beyond the …

Design and performance analysis of GaN vertical JFETs with ion-implanted gates

SR Stein, D Khachariya, S Pavlidis - Semiconductor Science and …, 2022 - iopscience.iop.org
We present a comprehensive performance analysis of vertical GaN JFETs via TCAD
simulation with unique considerations for gates formed by Mg ion implantation into GaN. The …

Novel Codo** Moiety to Achieve Enhanced P‐Type Do** in GaN by Ion Implantation

AG Jacobs, JA Spencer, JK Hite… - … status solidi (a), 2023 - Wiley Online Library
Codo** of gallium nitride for improved acceptor ionization has long been theorized;
however, reduction to practice proves difficult via growth. Herein, implementation of …

Strain map** of GaN substrates and epitaxial layers used for power electronic devices by synchrotron X-ray rocking curve topography

Y Liu, Z Chen, S Hu, H Peng, Q Cheng… - Journal of Crystal …, 2022 - Elsevier
Strain and tilt maps of gallium nitride (GaN) materials including substrates, ion-implanted
and annealed epilayers, and etched and regrown epilayers by different etching methods …