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      • Al in Brg at 3000 K
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      • Generation of 60 GPa
      • Generation of 40 GPa
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  • Home
  • Overview
  • Technology
    • UHP by WC
    • UHT by BDD
    • Zero-Temp gradient
    • Precise phase relations
    • Rapid quench
  • Meeting
  • People
  • Results
    • Chemistry
      • Al in Brg at 3000 K
      • T dependence of Fe2O3 in Brg Mg-rich
      • T dependence of MgAlO2.5
      • MgAlO2.5 vs bulk Mg/Si
      • LiNbO3-type (Mg,Fe3+)(Al3+,Si)O3
      • Clustering of O vacancies
    • HP-HT technology
      • Stripe BDD heater
      • CVD-BDD heater
      • Review of HP generation
      • Finite strain and BM-EOS
    • Related studies
      • Psp pressure
      • Psp thickness
    • Pre-ERC
      • Generation of 60 GPa
      • Generation of 40 GPa
      • Precise Guide Block
      • P-depend. MgAlO2.5
      • LiNbO3-type Mg3Al2Si3O12
      • Al2O3 as a function of P & T
  • Publications
  1. Results
  2. Chemistry

Chemistry


  • Oxygen vacancy substitution linked to ferric iron in bridgmanite at 27 GPa [Fei et al., 2020]
  • Aluminum solubility in bridgmanite up to 3000 K at the top lower mantle [Liu et al., 2020]
  • Increase of the oxygen vacancy component in bridgmanite with temperature [Liu et al., 2019a]
  • Strong correlation of oxygen vacancy in bridgmanite with Mg/Si ratio [Liu et al., 2019b]
  • A new (Mg0.5Fe3+0.5)(Si0.5Al3+0.5)O3 LiNbO3-type phase synthesized at lower mantle conditions [Liu et al., 2019c]
  • Oxygen vacancy ordering in aluminous bridgmanite in the Earth’s lower mantle [Grüninger et al., 2019]

Return to Results

Contact address:

Tomoo Katsura

Professor of Structure and Dynamics of Earth Materials

Bayerisches Geoinstitut, University of Bayreuth

Universitaetsstrasse 30, 95440 Bayreuth, Germany

E-mail: tomo.katsura@uni-bayreuth.de

Tel:+49(921)553791


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