Highly scaled graded channel GaN HEMT with peak drain current of 2.48 A/mm

KH Hamza, D Nirmal, ASA Fletcher… - … -International Journal of …, 2021 - Elsevier
The dc and high frequency performances of Al composition Graded Channel AlGaN/GaN
high electron mobility transistor on GaN substrate was investigated and compared with …

Role of Ti/Al relative thickness in the formation mechanism of Ti/Al/Ni/Au Ohmic contacts to AlGaN/GaN heterostructures

X Kong, K Wei, G Liu, X Liu - Journal of Physics D: Applied …, 2012 - iopscience.iop.org
Abstract In this work, Ti/Al/Ni/Au Ohmic contacts to AlGaN/GaN heterostructures with different
Ti/Al relative thicknesses were fabricated and characterized. A contact with Ti/Al relative …

[HTML][HTML] Interfacial stress characterization of GaN epitaxial layer with sapphire substrate by confocal Raman spectroscopy

Z Zhang, Z Xu, Y Song, T Liu, B Dong, J Liu… - Nanotechnology and …, 2021 - pubs.aip.org
As an important wide-bandgap semiconductor, gallium nitride (GaN) has attracted
considerable attention. This paper describes the use of confocal Raman spectroscopy to …

Functionalization of 2D macroporous silicon under the high-pressure oxidation

L Karachevtseva, M Kartel, V Kladko… - Applied Surface …, 2018 - Elsevier
Addition functionalization after high-pressure oxidation of 2D macroporous silicon structures
is evaluated. X-ray diffractometry indicates formation of orthorhombic SiO 2 phase on …

Substrate effects on the strain relaxation in GaN/AlN short-period superlattices

V Kladko, A Kuchuk, P Lytvyn, O Yefanov… - Nanoscale research …, 2012 - Springer
We present a comparative study of the strain relaxation of GaN/AlN short-period
superlattices (SLs) grown on two different III-nitride substrates introducing different amounts …

High-resolution X-ray diffraction analysis of AlxGa1− xN/InxGa1− xN/GaN on sapphire multilayer structures: Theoretical, simulations, and experimental observations

SK Jana, P Mukhopadhyay, S Ghosh, S Kabi… - Journal of Applied …, 2014 - pubs.aip.org
The work presents a comparative study on the effects of In incorporation in the channel layer
of AlGaN/GaN type-II heterostructures grown on c-plane sapphire by Plasma Assisted …

X-ray diffraction investigation of GaN layers on Si (111) and Al₂O₃ (0001) substrates

NV Safriuk, GV Stanchu, AV Kuchuk… - Semiconductor …, 2013 - dspace.nbuv.gov.ua
Methodical approaches to the analysis of X-ray data for GaN films grown on various buffer
layers and different substrates are presented in this work. Justification of dislocation …

Light-emitting diode quality investigation via low-frequency noise characteristics

V Palenskis, J Matukas, S Pralgauskaitė - Solid-State Electronics, 2010 - Elsevier
There are presented a comprehensive investigation of noise characteristics (the fluctuations
spectra of both the emitted light power and the voltage of light-emitting diodes (LEDs) at …

[HTML][HTML] Optical and structural study of deformation states in the GaN/AlN superlattices

O Kolomys, B Tsykaniuk, V Strelchuk… - Journal of Applied …, 2017 - pubs.aip.org
We report on the effect of strain on the optical and structural properties of 5-, 10-, and 20-
period GaN/AlN superlattices (SLs) deposited by plasma-assisted molecular beam epitaxy …

Effect of strain relaxation and the Burstein–Moss energy shift on the optical properties of InN films grown in the self-seeded catalytic process

KK Madapu, S Dhara - CrystEngComm, 2016 - pubs.rsc.org
For the first time, high optical quality InN films were grown on a sapphire substrate using the
atmospheric chemical vapour deposition technique in the temperature range of 560–650° C …