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Sadao Adachi

Sadao Adachi

D-Index & Metrics

Materials Science

D-Index
70
Citations
25519
World Ranking
4347
National Ranking
201

Overview

Sadao Adachi is affiliated with Gunma University in Japan and focuses research efforts primarily within materials science and chemistry. The scientist's work concentrates on luminescence properties and solid-state spectroscopy, contributing to 53 publications in materials science and 19 in chemistry.

The research scope encompasses several specialized subfields, including materials chemistry, inorganic chemistry, electrical and electronic engineering, ceramics and composites, and radiation. This diverse expertise supports investigations into advanced materials with luminescent properties and their underlying spectroscopic characteristics.

Key topics addressed in the published work are:

  • Luminescence Properties of Advanced Materials
  • Solid-state spectroscopy and crystallography
  • Inorganic Fluorides and Related Compounds
  • Glass properties and applications
  • Perovskite Materials and Applications
  • Gas Sensing Nanomaterials and Sensors
  • Radiation Detection and Scintillator Technologies

The publication record shows a strong presence in the ECS Journal of Solid State Science and Technology with 20 articles, followed by 9 publications in the Journal of Luminescence. Contributions also appear in Optical Materials and Optical Materials X.

Frequent collaboration includes coauthors such as Akihiro Tatsumi and Masashi Okubo.

Selected recent papers illustrate the research themes:

  • Review-Photoluminescence Properties of Cr3+-Activated Oxide Phosphors (2021), ECS Journal of Solid State Science and Technology
  • Mn4+ and Cr3+ ions in red and deep red-emitting phosphors: Spectral analysis and Racah parameter determination (2020), Journal of Luminescence
  • Luminescence spectroscopy of Cr3+ in an oxide: A strong or weak crystal-field phosphor? (2021), Journal of Luminescence
  • Spectroscopy of Cr3+ activator: Tanabe−Sugano diagram and Racah parameter analysis (2020), Journal of Luminescence
  • Review-Temperature Dependence of Luminescence Intensity and Decay Time in Mn4+-Activated Fluoride and Oxyfluoride Phosphors (2021), ECS Journal of Solid State Science and Technology

Best Publications

  • GaAs, AlAs, and AlxGa1−xAs: Material parameters for use in research and device applications

    Sadao Adachi

  • Material parameters of In1−xGaxAsyP1−y and related binaries

    Sadao Adachi

  • Optical dispersion relations for GaP, GaAs, GaSb, InP, InAs, InSb, AlxGa1−xAs, and In1−xGaxAsyP1−y

    Sadao Adachi

  • Optical constants of ZnO

    Hisashi Yoshikawa;Sadao Adachi

  • Band gaps and refractive indices of AlGaAsSb, GaInAsSb, and InPAsSb: Key properties for a variety of the 2–4‐μm optoelectronic device applications

    Sadao Adachi

  • Optical properties of hexagonal GaN

    Takahiro Kawashima;Hisashi Yoshikawa;Sadao Adachi;Shunro Fuke

  • Mn4 + -Activated Red Photoluminescence in K2SiF6 Phosphor

    Toru Takahashi;Sadao Adachi

  • Photoluminescence properties of Mn4+-activated oxide phosphors for use in white-LED applications: A review

    Sadao Adachi

  • Optical Properties of Crystalline and Amorphous Semiconductors

    Unknown

  • Model dielectric constants of GaP, GaAs, GaSb, InP, InAs, and InSb.

    Unknown

  • Chemical Etching Characteristics of ( 001 ) InP

    Sadao Adachi;Hitoshi Kawaguchi

  • Refractive indices of III–V compounds: Key properties of InGaAsP relevant to device design

    Sadao Adachi

  • Photoluminescence spectra and modeling analyses of Mn 4+ -activated fluoride phosphors: A review

    Sadao Adachi

  • Properties of Na2SiF6:Mn4+ and Na2GeF6:Mn4+ red phosphors synthesized by wet chemical etching

    Yan Kai Xu;Sadao Adachi

  • Optical properties of cubic and hexagonal CdSe

    Susumu Ninomiya;Sadao Adachi

  • Direct synthesis and properties of K2SiF6:Mn4+ phosphor by wet chemical etching of Si wafer

    Sadao Adachi;Toru Takahashi

  • Optical properties of wurtzite CdS

    Susumu Ninomiya;Sadao Adachi

  • Lattice thermal resistivity of III–V compound alloys

    Sadao Adachi

  • Optical properties of ZnTe

    Kohzo Sato;Sadao Adachi

  • Model dielectric constants of Si and Ge

    Sadao Adachi

  • Optical properties of CdTe: Experiment and modeling

    Sadao Adachi;Toshifumi Kimura;Norihiro Suzuki

  • Review—Mn4+-Activated Red and Deep Red-Emitting Phosphors

    Sadao Adachi

  • Photoluminescent properties of K2GeF6:Mn4+ red phosphor synthesized from aqueous HF/KMnO4 solution

    Sadao Adachi;Toru Takahashi

  • Optical properties of Mn4+-activated Na2SnF6 and Cs2SnF6 red phosphors

    Yusuke Arai;Sadao Adachi

  • Red and Deep Red Emissions from Cubic K2SiF6:Mn4+ and Hexagonal K2MnF6 Synthesized in HF/KMnO4/KHF2/Si Solutions

    Ryota Kasa;Sadao Adachi

Frequent Co-Authors

Minoru Fujii
Minoru Fujii Kobe University
Tadao Ishibashi
Tadao Ishibashi NTT (Japan)
Wai Kin Chan
Wai Kin Chan University of Hong Kong
D. Mangalaraj
D. Mangalaraj Bharathiar University
Hoi Sing Kwok
Hoi Sing Kwok Hong Kong University of Science and Technology
Naoto Koshizaki
Naoto Koshizaki Hokkaido University
Aleksandra B. Djurišić
Aleksandra B. Djurišić University of Hong Kong
Malcolm K. Jones
Malcolm K. Jones University of Queensland
Keiji Sasaki
Keiji Sasaki Hokkaido University

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