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Takashi Egawa

Researcher at Nagoya Institute of Technology

Publications -  394
Citations -  7477

Takashi Egawa is an academic researcher from Nagoya Institute of Technology. The author has contributed to research in topics: Metalorganic vapour phase epitaxy & Chemical vapor deposition. The author has an hindex of 39, co-authored 385 publications receiving 6642 citations. Previous affiliations of Takashi Egawa include Oki Electric Industry.

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The 2018 GaN power electronics roadmap

Hiroshi Amano, +64 more
- 26 Mar 2018 - 
TL;DR: This collection of GaN technology developments is not itself a road map but a valuable collection of global state-of-the-art GaN research that will inform the next phase of the technology as market driven requirements evolve.
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Optical properties of wurtzite structure GaN on sapphire around fundamental absorption edge (0.78–4.77 eV) by spectroscopic ellipsometry and the optical transmission method

TL;DR: In this article, the authors used spectroscopic ellipsometry (SE) together with the optical transmission method to determine the refractive index n and absorption coefficient α of undoped gallium nitride film over the spectral range of 0.78-4.77 eV of photon energy.
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GaN on Si Substrate with AlGaN/AlN Intermediate Layer

TL;DR: In this article, a single crystal GaN thin film was successfully grown on a Si (111) substrate by means of atmospheric pressure metalorganic chemical vapor deposition (MOCVD) and the fullwidth at half maximum (FWHM) of the double-crystal X-ray rocking curve for GaN(0004) was 600 arcsec.
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Investigations of SiO2/n-GaN and Si3N4/n-GaN insulator–semiconductor interfaces with low interface state density

TL;DR: In this paper, the electrical properties of electron beam (EB) evaporated silicon dioxide (SiO2)/n-GaN, plasma enhanced chemical vapor deposited (PECVD) SiO2/n-GAN, and PECVD silicon nitride (Si3N4)/nGaN interfaces were investigated using high frequency capacitance-voltage measurements.
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Thermal stability of GaN on (111)Si substrate

TL;DR: In this paper, the authors studied thermal annealing effects of low-temperature grown GaN (LT-GaN) on Si substrate by use of the two-step growth technique.