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Yoichi Kawakami

Yoichi Kawakami

D-Index & Metrics

Electronics and Electrical Engineering

D-Index
49
Citations
11041
World Ranking
2908
National Ranking
101

Overview

Yoichi Kawakami is affiliated with Kyoto University in Japan and has contributed extensively to research in physics, materials science, and engineering. Their scholarly output spans over 65 publications in physics and astronomy, 44 in materials science, and 31 in engineering, reflecting a multidisciplinary approach to scientific inquiry.

Kawakami's work focuses on several subfields including condensed matter physics, electronic, optical and magnetic materials, atomic and molecular physics and optics, materials chemistry, and biomedical engineering. This broad range highlights an engagement with both fundamental and applied aspects of physical sciences and materials research.

The main topics addressed in their research include:

  • GaN-based semiconductor devices and materials
  • Ga2O3 and related materials
  • Semiconductor quantum structures and devices
  • ZnO doping and properties
  • Metal and thin film mechanics
  • Semiconductor materials and devices
  • Acoustic wave resonator technologies

Frequent coauthors with whom Kawakami has published include Mitsuru Funato, Ryota Ishii, Yoshinobu Matsuda, Akira Yoshikawa, and Shuhei Ichikawa. This collaboration network reflects a sustained interaction with researchers active in related fields of semiconductor and materials physics.

Kawakami has published multiple papers in key journals, with recurring appearances in Applied Physics Letters, Japanese Journal of Applied Physics, Journal of Applied Physics, Applied Physics Express, and physica status solidi (b). The following are selected papers contributed by Kawakami:

  • "The 2020 UV emitter roadmap," 2020, Journal of Physics D Applied Physics
  • "Temperature-dependent electroluminescence study on 265-nm AlGaN-based deep-ultraviolet light-emitting diodes grown on AlN substrates," 2020, AIP Advances
  • "Metalorganic vapor phase epitaxy of GaN on 2 inch ScAlMgO 4 (0001) substrates," 2022, Japanese Journal of Applied Physics
  • "Doping and fabrication of polar-plane-free faceted InGaN LEDs with polychromatic emission properties on (1¯1¯22¯) semipolar planes," 2020, Journal of Applied Physics
  • "265 nm AlGaN-based deep-ultraviolet light-emitting diodes grown on AlN substrates studied by photoluminescence spectroscopy under ideal pulsed selective and non-selective excitation conditions," 2020, Applied Physics Express

Best Publications

  • Role of self-formed InGaN quantum dots for exciton localization in the purple laser diode emitting at 420 nm

    Yukio Narukawa;Yoichi Kawakami;Mitsuru Funato;Shizuo Fujita

  • Surface plasmon enhanced spontaneous emission rate of InGaN∕GaN quantum wells probed by time-resolved photoluminescence spectroscopy

    Koichi Okamoto;Isamu Niki;Axel Scherer;Yukio Narukawa

  • The 2020 UV emitter roadmap

    Hiroshi Amano;Ramón Collazo;Carlo De Santi;Sven Einfeldt

  • Blue, Green, and Amber InGaN/GaN Light-Emitting Diodes on Semipolar {11-22} GaN Bulk Substrates

    Mitsuru Funato;Masaya Ueda;Yoichi Kawakami;Yukio Narukawa

  • Dimensionality of excitons in laser-diode structures composed of In x Ga 1-x N multiple quantum wells

    Yukio Narukawa;Yoichi Kawakami;Shigeo Fujita;Shuji Nakamura

  • Efficient radiative recombination from -oriented InxGa1-xN multiple quantum wells fabricated by the regrowth technique

    K. Nishizuka;M. Funato;Y. Kawakami;Sg. Fujita

  • 100 mW deep-ultraviolet emission from aluminium-nitride-based quantum wells pumped by an electron beam

    Takao Oto;Ryan G. Banal;Ken Kataoka;Mitsuru Funato

  • Monolithic Polychromatic Light-Emitting Diodes Based on InGaN Microfacet Quantum Wells toward Tailor-Made Solid-State Lighting

    Mitsuru Funato;Takeshi Kondou;Keita Hayashi;Shotaro Nishiura

  • Nanoscopic recombination processes in InGaN/GaN quantum wells emitting violet, blue, and green spectra

    A Kaneta;M Funato;Y Kawakami

  • Optical anisotropy in [0001]-oriented AlxGa1-xN/AlN quantum wells (x>0.69)

    R. G. Banal;M. Funato;Y. Kawakami

  • Epitaxial growth and optical properties of semipolar (112¯2) GaN and InGaN∕GaN quantum wells on GaN bulk substrates

    M. Ueda;K. Kojima;M. Funato;Y. Kawakami

  • Strain relaxation effect by nanotexturing InGaN/GaN multiple quantum well

    V. Ramesh;Akihiko Kikuchi;Katsumi Kishino;Mitsuru Funato

  • Origin of high oscillator strength in green-emitting InGaN∕GaN nanocolumns

    Y. Kawakami;S. Suzuki;A. Kaneta;M. Funato

  • Initial nucleation of AlN grown directly on sapphire substrates by metal-organic vapor phase epitaxy

    Ryan G. Banal;Mitsuru Funato;Yoichi Kawakami

  • Radiative and nonradiative recombination processes in ultraviolet light-emitting diode composed of an In0.02Ga0.98N active layer

    Yukio Narukawa;Shin Saijou;Yoichi Kawakami;Shigeo Fujita

  • Emission color tunable light-emitting diodes composed of InGaN multifacet quantum wells

    M. Funato;K. Hayashi;M. Ueda;Y. Kawakami

  • Photoluminescence property of InGaN single quantum well with embedded AlGaN δ layer

    Jongwoon Park;Yoichi Kawakami

  • Partially disordered photonic-crystal thin films for enhanced and robust photovoltaics

    Ardavan Oskooi;Pedro A. Favuzzi;Yoshinori Tanaka;Hiroaki Shigeta

  • Stimulated emission from optically pumped GaN quantum dots

    Satoru Tanaka;Hideki Hirayama;Yoshinobu Aoyagi;Yukio Narukawa

  • Optical properties of InGaN/GaN nanopillars fabricated by postgrowth chemically assisted ion beam etching

    Y. Kawakami;A. Kaneta;L. Su;Y. Zhu

  • Efficient rainbow color luminescence from InxGa1−xN single quantum wells fabricated on {112¯2} microfacets

    K. Nishizuka;M. Funato;Y. Kawakami;Y. Narukawa

Frequent Co-Authors

Shizuo Fujita
Shizuo Fujita Kyoto University
Yukio Narukawa
Yukio Narukawa Nichia Corporation (Japan)
Takashi Mukai
Takashi Mukai National Institute of Advanced Industrial Science and Technology
Shuji Nakamura
Shuji Nakamura University of California, Santa Barbara
Jun Suda
Jun Suda Nagoya University
Shin-ichi Nagahama
Shin-ichi Nagahama Nichia Corporation (Japan)
Katsumi Kishino
Katsumi Kishino Sophia University
Susumu Noda
Susumu Noda Kyoto University
Akihiko Kikuchi
Akihiko Kikuchi Tokyo University of Science
Yasuaki Masumoto
Yasuaki Masumoto University of Tsukuba

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