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Motoaki Iwaya

Motoaki Iwaya

D-Index & Metrics

Materials Science

D-Index
48
Citations
9543
World Ranking
10781
National Ranking
673

Overview

Motoaki Iwaya is affiliated with Meijo University in Japan and conducts research primarily in the fields of Physics and Astronomy, Engineering, and Materials Science. Their work extensively covers several subfields including Condensed Matter Physics, Materials Chemistry, Electronic, Optical and Magnetic Materials, Electrical and Electronic Engineering, and Biomedical Engineering.

The main research topics that characterize Motoaki Iwaya's scientific contributions include GaN-based semiconductor devices and materials, Ga2O3 and related materials, ZnO doping and properties, Semiconductor Quantum Structures and Devices, Metal and Thin Film Mechanics, Semiconductor materials and devices, and Photocathodes and Microchannel Plates.

Motoaki Iwaya has published a number of papers in renowned journals. Selected recent publications include:

  • "Room-temperature operation of AlGaN ultraviolet-B laser diode at 298 nm on lattice-relaxed Al0.6Ga0.4N/AlN/sapphire," 2020, Applied Physics Express
  • "AlGaN-based UV-B laser diode with a high optical confinement factor," 2021, Applied Physics Letters
  • "RGB monolithic GaInN-based μLED arrays connected via tunnel junctions," 2023, Applied Physics Express
  • "AlGaN-based UV-B laser diode with a wavelength of 290 nm on 1 μm periodic concavo-convex pattern AlN on a sapphire substrate," 2021, Applied Physics Express
  • "Recent development of UV-B laser diodes," 2021, Japanese Journal of Applied Physics

Their research outputs have been disseminated across a variety of publication venues, including:

  • Applied Physics Express
  • physica status solidi (a)
  • Japanese Journal of Applied Physics
  • Applied Physics Letters
  • ACS Applied Materials & Interfaces

Motoaki Iwaya has collaborated frequently with other researchers in their field. Notable coauthors include:

  • Satoshi Kamiyama
  • Tetsuya Takeuchi
  • Isamu Akasaki
  • Sho Iwayama
  • Weifang Lu

Best Publications

  • Internal Quantum Efficiency of Whole-Composition-Range AlGaN Multiquantum Wells

    Kazuhito Ban;Jun-ichi Yamamoto;Kenichiro Takeda;Kimiyasu Ide

  • Improved Efficiency of 255?280 nm AlGaN-Based Light-Emitting Diodes

    Cyril Pernot;Myunghee Kim;Shinya Fukahori;Tetsuhiko Inazu

  • Reduction of Etch Pit Density in Organometallic Vapor Phase Epitaxy-Grown GaN on Sapphire by Insertion of a Low-Temperature-Deposited Buffer Layer between High-Temperature-Grown GaN

    Motoaki Iwaya;Tetsuya Takeuchi;Shigeo Yamaguchi;Christian Wetzel

  • Stress and Defect Control in GaN Using Low Temperature Interlayers

    Hiroshi Amano;Motoaki Iwaya;Takayuki Kashima;Maki Katsuragawa

  • 350.9 nm UV Laser Diode Grown on Low-Dislocation-Density AlGaN

    Kazuyoshi Iida;Takeshi Kawashima;Atsushi Miyazaki;Hideki Kasugai

  • Solar-Blind UV Photodetectors Based on GaN/AlGaN p-i-n Photodiodes

    Cyril Pernot;Akira Hirano;Motoaki Iwaya;Theeradetch Detchprohm

  • Lateral Hydrogen Diffusion at p-GaN Layers in Nitride-Based Light Emitting Diodes with Tunnel Junctions

    Yuka Kuwano;Mitsuru Kaga;Takatoshi Morita;Kouji Yamashita

  • High-Temperature Metal-Organic Vapor Phase Epitaxial Growth of AlN on Sapphire by Multi Transition Growth Mode Method Varying V/III Ratio

    Masataka Imura;Kiyotaka Nakano;Naoki Fujimoto;Narihito Okada

  • Development of high efficiency 255-355 nm AlGaN-based light-emitting diodes

    Cyril Pernot;Shinya Fukahori;Tetsuhiko Inazu;Takehiko Fujita

  • Epitaxial lateral overgrowth of AlN on trench-patterned AlN layers

    Masataka Imura;Kiyotaka Nakano;Gou Narita;Naoki Fujimoto

  • Low-temperature-deposited AlGaN interlayer for improvement of AlGaN/GaN heterostructure

    Satoshi Kamiyama;Motoaki Iwaya;Nobuaki Hayashi;Tetsuya Takeuchi

  • Dislocations in AlN Epilayers Grown on Sapphire Substrate by High-Temperature Metal-Organic Vapor Phase Epitaxy

    Masataka Imura;Kiyotaka Nakano;Naoki Fujimoto;Narihito Okada

  • High‐Efficiency GaN/AlxGa1—xN Multi‐Quantum‐Well Light Emitter Grown on Low‐Dislocation Density AlxGa1—xN

    M. Iwaya;S. Terao;T. Sano;S. Takanami

  • Control of Dislocations and Stress in AlGaN on Sapphire Using a Low Temperature Interlayer

    H. Amano;M. Iwaya;N. Hayashi;T. Kashima

  • UV Light‐Emitting Diode Fabricated on Hetero‐ELO‐Grown Al0.22Ga0.78N with Low Dislocation Density

    S. Kamiyama;M. Iwaya;S. Takanami;S. Terao

  • GaInN-Based Solar Cells Using Strained-Layer GaInN/GaInN Superlattice Active Layer on a Freestanding GaN Substrate

    Yousuke Kuwahara;Takahiro Fujii;Toru Sugiyama;Daisuke Iida

  • Extremely high quantum efficiency of donor-acceptor-pair emission in N-and-B-doped 6H-SiC

    S. Kamiyama;T. Maeda;Y. Nakamura;M. Iwaya

  • AlGaN-Based Deep Ultraviolet Light-Emitting Diodes Fabricated on Patterned Sapphire Substrates

    Myunghee Kim;Takehiko Fujita;Shinya Fukahori;Tetsuhiko Inazu

  • Room-temperature continuous-wave operation of GaN-based vertical-cavity surface-emitting lasers with n-type conducting AlInN/GaN distributed Bragg reflectors

    Kazuki Ikeyama;Yugo Kozuka;Kenjo Matsui;Shotaro Yoshida

  • Growth of high-quality and crack free AlN layers on sapphire substrate by multi-growth mode modification

    N. Okada;N. Kato;S. Sato;T. Sumii

  • Room-temperature operation of AlGaN ultraviolet-B laser diode at 298 nm on lattice-relaxed Al0.6Ga0.4N/AlN/sapphire

    Kosuke Sato;Kosuke Sato;Shinji Yasue;Kazuki Yamada;Shunya Tanaka

Frequent Co-Authors

Satoshi Kamiyama
Satoshi Kamiyama Meijo University
Hiroshi Amano
Hiroshi Amano Nagoya University
Tetsuya Takeuchi
Tetsuya Takeuchi Meijo University
Bo Monemar
Bo Monemar Linköping University
Akira Yoshikawa
Akira Yoshikawa Tohoku University
Theeradetch Detchprohm
Theeradetch Detchprohm Georgia Institute of Technology
Yasuo Kitaoka
Yasuo Kitaoka Osaka University
Fernando Ponce
Fernando Ponce Arizona State University
Yusuke Mori
Yusuke Mori Osaka University
Kazuhiro Hono
Kazuhiro Hono National Institute for Materials Science

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