Ohmic contacts to Gallium Nitride materials

G Greco, F Iucolano, F Roccaforte - Applied Surface Science, 2016 - Elsevier
In this review article, a comprehensive study of the mechanisms of Ohmic contact formation
on GaN-based materials is presented. After a brief introduction on the physics of Ohmic …

A comprehensive review of recent progress on GaN high electron mobility transistors: Devices, fabrication and reliability

F Zeng, JX An, G Zhou, W Li, H Wang, T Duan, L Jiang… - Electronics, 2018 - mdpi.com
GaN based high electron mobility transistors (HEMTs) have demonstrated extraordinary
features in the applications of high power and high frequency devices. In this paper, we …

The 2020 UV emitter roadmap

H Amano, R Collazo, C De Santi… - Journal of Physics D …, 2020 - iopscience.iop.org
Solid state UV emitters have many advantages over conventional UV sources. The (Al, In,
Ga) N material system is best suited to produce LEDs and laser diodes from 400 nm down to …

Contact mechanisms and design principles for alloyed ohmic contacts to n-GaN

SN Mohammad - Journal of Applied Physics, 2004 - pubs.aip.org
GaN and related III–V nitrides have been applied to realize optoelectronic devices, such as
light emitting diodes, ultraviolet photodetectors, and laser diodes. 1 They have been …

The role of Al on Ohmic contact formation on n-type GaN and AlGaN∕ GaN

B Van Daele, G Van Tendeloo, W Ruythooren… - Applied Physics …, 2005 - pubs.aip.org
A standard metallization scheme for the formation of Ohmic contacts on n-type GaN does
exist. It has the following multilayer structure: Ti∕ Al∕ metal∕ Au⁠. Ti is known to extract N …

Electrical properties and microstructure formation of V/Al-based n-contacts on high Al mole fraction n-AlGaN layers

L Sulmoni, F Mehnke, A Mogilatenko… - Photonics …, 2020 - opg.optica.org
Structural coloration techniques have improved display science due to their high durability in
terms of resistance to bleaching and abrasion, and low energy consumption. Here, we …

[HTML][HTML] Performance and reliability of β-Ga2O3 Schottky barrier diodes at high temperature

K Heinselman, P Walker, A Norman, P Parilla… - Journal of Vacuum …, 2021 - pubs.aip.org
Beta-gallium oxide (β-Ga 2 O 3) is an ultrawide bandgap semiconductor that has potential
for power electronic applications and devices operating at high temperatures. Particularly …

Highly selective GaN-nanowire/TiO2-nanocluster hybrid sensors for detection of benzene and related environment pollutants

GS Aluri, A Motayed, AV Davydov, VP Oleshko… - …, 2011 - iopscience.iop.org
Nanowire–nanocluster hybrid chemical sensors were realized by functionalizing gallium
nitride (GaN) nanowires (NWs) with titanium dioxide (TiO 2) nanoclusters for selectively …

Electrical, spectral, and chemical properties of 1.8 MeV proton irradiated AlGaN/GaN HEMT structures as a function of proton fluence

BD White, M Bataiev, SH Goss, X Hu… - … on Nuclear Science, 2003 - ieeexplore.ieee.org
We have characterized high-electron mobility transistors and corresponding unprocessed
material as a function of 1.8 MeV proton fluence. Electrical data shows degradation of the …

Temperature dependence of the specific resistance in Ti∕ Al∕ Ni∕ Au contacts on n-type GaN

F Iucolano, F Roccaforte, A Alberti… - Journal of applied …, 2006 - pubs.aip.org
The temperature dependence of the specific resistance ρ c in annealed Ti∕ Al∕ Ni∕ Au
contacts on n-type GaN was monitored, obtaining information on the current transport …