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Masaki Akaogi

Masaki Akaogi

D-Index & Metrics

Chemistry

D-Index
48
Citations
8677
World Ranking
15203
National Ranking
1189

Overview

Masaki Akaogi is a researcher affiliated with Gakushuin University in Japan, specializing in Earth and Planetary Sciences, Materials Science, and Engineering. Their work primarily focuses on high-pressure geophysics and materials, geological and geochemical analysis, crystal structures and properties, earthquake and tectonic studies, nuclear materials and radiation effects, advanced condensed matter physics, and electronic and structural properties of oxides.

Akaogi has published extensively in these areas, contributing to over thirty publications within Earth and Planetary Sciences and more than twenty in Materials Science. Their subfields of study include geophysics, materials chemistry, electronic, optical and magnetic materials, electrical and electronic engineering, and condensed matter physics.

Frequent co-authors in their research collaborations include Hiroshi Kojitani, Takayuki Ishii, Yoshiyuki Inaguma, Kazunari Yamaura, and Giacomo Criniti.

Their recent papers include:

  • Post-spinel-type AB2O4 high-pressure phases in geochemistry and materials science, 2024, Communications Chemistry
  • Enthalpy, heat capacity and thermal expansivity measurements of MgSiO3 akimotoite: Reassessment of its self-consistent thermodynamic data set, 2022, Physics of The Earth and Planetary Interiors
  • Discovery of New-Structured Post-Spinel MgFe2O4: Crystal Structure and High-Pressure Phase Relations, 2020, Geophysical Research Letters
  • High-pressure syntheses and crystal structure analyses of a new low-density CaFe2O4-related and CaTi2O4-type MgAl2O4 phases, 2020, American Mineralogist
  • High-pressure and high-temperature phase relations in the systems KAlSiO4-MgAl2O4 and CaAl2O4-MgAl2O4: Stability fields of NAL phases, 2020, Physics of The Earth and Planetary Interiors

In addition to journal articles, Akaogi has contributed to book publications, including a title published by Springer Nature: "High-Pressure Silicates and Oxides" (2022).

The primary venues for their research publications are:

  • American Mineralogist
  • Physics of The Earth and Planetary Interiors
  • Physics and Chemistry of Minerals
  • Geophysical Research Letters
  • Communications Chemistry

Best Publications

  • Olivine-modified spinel-spinel transitions in the system Mg2SiO4-Fe2SiO4: Calorimetric measurements, thermochemical calculation, and geophysical application

    Masaki Akaogi;Eiji Ito;Alexandra Navrotsky

  • Molecular Dynamics Simulation of the Structural and Physical Properties of the Four Polymorphs of TiO2

    Masanori Matsui;Masaki Akaogi

  • A ferroelectric-like structural transition in a metal

    Youguo Shi;Yanfeng Guo;Yanfeng Guo;Xia Wang;Andrew J. Princep

  • Pyroxene-garnet solid-solution equilibria in the systems Mg4Si4O12Mg3Al2Si3O12 and Fe4Si4O12Fe3Al2Si3O12 at high pressures and temperatures

    M. Akaogi;S. Akimoto

  • High-pressure phase equilibria in a garnet lherzolite, with special reference to Mg2+Fe2+ partitioning among constituent minerals

    M. Akaogi;S. Akimoto

  • Negative Pressure-Temperature Slopes for Reactions Formign MgSiO3 Perovskite from Calorimetry

    E. Ito;M. Akaogi;L. Topor;A. Navrotsky

  • In situ observation of the olivine‐spinel phase transformation in Fe2SiO4 using synchrotron radiation

    Takehiko Yagi;Masaki Akaogi;Osamu Shimomura;Toshihiro Suzuki

  • The quartz-coesite-stishovite transformations: new calorimetric measurements and calculation of phase diagrams

    Masaki Akaogi;Alexandra Navrotsky

  • The Mg 2 SiO 4 polymorphs (olivine, modified spinel and spinel); thermodynamic properties from oxide melt solution calorimetry, phase relations, and models of lattice vibrations

    Masaki Akaogi;Nancy L. Ross;Paul McMillan;Alexandra Navrotsky

  • High pressure transitions in the system KAlSi3O8-NaAlSi3O8

    Atsushi Yagi;Toshihiro Suzuki;Masaki Akaogi

  • Garnet-perovskite transformation in CaGeO3: In-situ X-ray measurements using synchrotron radiation

    J. Susaki;M. Akaogi;S. Akimoto;O. Shimomura

  • Computational model of the structural and elastic properties of the ilmenite and perovskite phases of MgSiO3

    Masanori Matsui;Masaki Akaogi;Takeo Matsumoto

  • Post-garnet transitions in the system Mg4Si4O12–Mg3Al2Si3O12 up to 28 GPa: phase relations of garnet, ilmenite and perovskite

    Atsushi Kubo;Masaki Akaogi

  • HIGH PRESSURE TRANSITIONS IN THE SYSTEM MGAL2O4-CAAL2O4 A NEW HEXAGONAL ALUMINOUS PHASE WITH IMPLICATION FOR THE LOWER MANTLE

    M Akaogi;Y Hamada;T Suzuki;M Kobayashi

  • Garnet–ilmenite–perovskite transitions in the system Mg4Si4O12–Mg3Al2Si3O12 at high pressures and high temperatures: phase equilibria, calorimetry and implications for mantle structure

    Masaki Akaogi;Akira Tanaka;Eiji Ito

  • High-pressure synthesis, crystal structure, and phase stability relations of a LiNbO3-type polar titanate ZnTiO3 and its reinforced polarity by the second-order Jahn-Teller effect.

    Yoshiyuki Inaguma;Akihisa Aimi;Yuichi Shirako;Daichi Sakurai

  • Hydrostatic compression of the synthetic garnets pyrope and almandine

    Yosiko Sato;Masaki Akaogi;Syun-Iti Akimoto

  • Low-temperature heat capacities, entropies and enthalpies of Mg 2 SiO 4 polymorphs, and α−β−γ and post-spinel phase relations at high pressure

    M. Akaogi;H. Takayama;H. Kojitani;H. Kawaji

  • High-pressure transformation of pyrope (Mg3Al2Si3O12) in a sintered diamond cubic anvil assembly

    E. Ito;A. Kubo;T. Katsura;M. Akaogi

  • Pyroxene-Garnet Transformation: Thermochemistry and Elasticity of Garnet Solid Solutions, and Application to a Pyrolite Mantle

    Masaki Akaogi;Alexandra Navrotsky;Takehiko Yagii;Syun-Iti Akimoto

  • Hydroxyl groups in β-Mg2SiO4

    Paul F. McMillan;Masaki Akaogi;Robert K. Sato;Brent Poe

Frequent Co-Authors

Kazunari Yamaura
Kazunari Yamaura National Institute for Materials Science
Yoshiyuki Inaguma
Yoshiyuki Inaguma Gakushuin University
Eiji Ito
Eiji Ito Okayama University
Alexandra Navrotsky
Alexandra Navrotsky Arizona State University
Eiji Takayama-Muromachi
Eiji Takayama-Muromachi National Institute for Materials Science
Yoshitaka Matsushita
Yoshitaka Matsushita National Institute for Materials Science
Takehiko Yagi
Takehiko Yagi University of Tokyo
Youguo Shi
Youguo Shi Chinese Academy of Sciences
Tomoo Katsura
Tomoo Katsura University of Bayreuth
Quentin Williams
Quentin Williams University of California, Santa Cruz

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