Bridgmanite Chemistry & Phase relations

  1. Chanyshev, A., Ishii, T., Bondar, D, Bhat, S. Kim, E.-J., Farla, R., Nishida, K., Liu, Z., Wang, L., Nakajima, A., Yan, B., Tang, H., Chen, Z., Higo, Y., Tange, Y., Katsura, T., Depressed 660-km discontinuity caused by akimotoite-bridgmanite transition, Nature, 601, 69-73, 2022. 10.1038/s41586-021-04157-z     
  2. Ishii, T., Miyajima, N., Crinti, G., Hu, Q., Glazyrin, K., Katsura, T., High pressure-temperature phase relations of basaltic crust up to mid-mantle conditions, Earth Planet. Sci. Lett., in press.     
  3. Fei, H., Liu, Z., Huang, R., Kamada, S., Hirao, N., Kawaguchi, S., McCammon, C. A., Katsura, T., Pressure destabilizes oxygen vacancies in bridgmanite, J. Geophys. Res.: Solid Earth, 126, e2021JB022437, 2021. 10.1029/2021JB022437     
  4. Liu, Z., Fei, H., Chen, L., McCammon, C., Wang, L., Liu, R., Wang, F., Liu, B., Katsura, T., Bridgmanite is nearly dry at the top of the lower mantleEarth Planet. Sci. Lett., 570, 117088, 2021. 10.1016/j.epsl.2021.117088   
  5. Fei, H., Liu, Z., McCammon, C., Katsura, T., Oxygen vacancy substitution linked to ferric iron in bridgmanite at 27 GPa. Geophysical Research Letters 47, e2019GL086296, 2020.  (Open Access)    
  6. Liu, Z., Liu, R., Shang, Y., Shen, F., Chen, L., Hou, X., Yao, M., Cui, T., Liu, B. and Katsura, T., Aluminum solubility in bridgmanite up to 3000 K at the top lower mantle, Geoscience Frontier 12, 929-935, 2021. (Open Access)
  7. Liu, Z., McCammon, C., Wang, B., Dubrovinsky, L., Ishii, T., Bondar, D., Nakajima, a., Tange, Y., Higo, Y., cui, T., Liu, B., Katsura, T., Stability and solubility of the FeAlO3 component in bridgmanite at uppermost lower mantle conditions. Journal of Geophysical Research: Solid Earth 125, e2019JB018447, 2020. (Open Access)
  8. Grüninger, H., Liu, Z., Siegel, R., Boffa Ballaran, T., Katsura, T., Senker, J., Frost, D.J., Oxygen vacancy ordering in aluminous bridgmanite in the Earth's lower mantle. Geophysical Research Letters 46, 8731-8749, 2019.  (Open Access)
  9. Ishii, T., Huang, R., Myhill, R., Fei, H., Koemets, I., Liu, Z., Maeda, F., Yuan, L., Wang, L., Druzhbin, D., Yamamoto, T., Bhat, S., Farla, R., Kawazoe, T., Tsujino, N., Kulik, E., Higo, Y., Tange, Y., Katsura, T., 2019. Sharp 660-km discontinuity controlled by extremely narrow binary post-spinel transition. Nature Geoscience. 12. (After embargo period)
  10. Liu, Z.-D., M. Akaogi, and T. Katsura, Increase of the oxygen vacancy component in bridgmanite with temperature. Earth and Planetary Science Letters 505, 141-151, 2019. doi: 10.1016/j.epsl.2018.10.014 (embargo period)
  11. Liu, Z., Boffa Ballaran, T., Huang, R., Frost, D.J., Katsura, T., Strong correlation of oxygen vacancies in bridgmanite with Mg/Si ratio. Earth Planetary Science Letters 523, 115697, 2019. (embargo period)
  12. Liu, Z., Dubrovinsky, L., McCammon, C., Ovsyannikov, S. V., Koemets, I., Chen, L., Cui, Q, Su, N., Cheng, J., Cui, T., Liu, B., Katsura, T., A new (Mg0.5Fe3+0.5)(Si0.5Al3+0.5)O3 LiNbO3-type phase synthesized at lower mantle conditions, American Mineralogist 104, 1213-1216, 2019. (embargo period)

Grain Growth

  1. Fei, H., Faul, U., Katsura, T., The grain growth kinetics of bridgmanite at the topmost lower mantle, Earth and Planetary Science Letters 561, 116820, 2021. 10.1016/j.epsl.2021.116820 (embargo period)

HP-HT technology

  1. Farla, R., Bhat, S., Sonntag, S., Chanyshev, A., Ma, S., Ishii, T., Liu, Z., Néri, A., Nishiyama, N., Faria, G., A., Wroblewski, T., Schulte-Schrepping, H., Drube, W., Seeck, O., Katsura, T., Extreme Conditions Research Using the Large Volume Press at the P61B End Station, PETRA III, J. Synchrotron Rad., 29, 409-423, 2022. 10.1107/S1600577522001047. (Open access)  
  2. Xie, L., Chanyshev, A., Ishii, T.,  Bondar, D., Nishida, K., Chen, Z., Bhat, S., Farla, R., Higo, Y., Tange, Y., Su, X., Yan, B., Ma, S., Katsura, T., Simultaneous generation of ultrahigh pressure and temperature to 50 GPa and 3300 K in multi-anvil apparatus, Rev. Sci. Instr., 92, 103902, 2021.     
  3. Nishida, K., Xie, L., Kim, E.J., Katsura, T., A strip-type  boron-doped diamond heater synthesized by chemical vapor deposition for large volume presses, Review of Scientific Instruments 91, 095108, 2020. (embargo period)
  4. 桂 智男, 丹下 慶範, バーチ・マーナハン状態方程式の平易な導出と,他の状態方程式との比較, 高圧力の科学と技術30巻, 237-249, 2020. (Open Access)
  5. Xie, L., Yoneda, A., Liu, Z., Nishida, K., Katsura, T., Boron-doped diamond synthesized by chemical vapor deposition as a heating element in a multi-anvil apparatus, High Pressure Research 40, 369-378, 2020. (embargo period)
  6. Ishii, T., Liu, Z., Katsura, T., A Breakthrough in pressure generation by a Kawai-type multi-anvil apparatus with tungsten carbide anvils, Engineering 5, 434-440, 2019. (Open Access)
  7. Katsura, T., Tange, Y., A simple derivation of the Birch–Murnaghan equations of state (EOSs) and comparison with EOSs derived from other definitions of finite strain. Minerals, 9, 745, 2019. 10.3390/min9120745     

Related studies

  1. Katsura, T., A revised adiabatic temperature profile for the mantle, J. Geophys. Res.: Solid Earth, 127, e2021JB023562, 2022. 10.1029/2021JB023562     
  2. Chanyshev, A., Bondar, D., Fei, H., Purevjav, N., Ishii, T., Nishida, K.,  Bhat, S., Farla, R., Katsura, T., Determination of phase relations of the olivine–ahrensite transition in the Mg2SiO4–Fe2SiO4 system at 1740 K using modern multi-anvil techniques, Contrib. Mineral. Petrol., 176, 77, 2021. 10.1007/s00410-021-01829-x     
  3. Ishii, T., Criniti, G., Bykova, E., Dubrovinsky, L., Katsura, T., Arii, H., Kojitani, H., Akaogi, M., High-pressure syntheses and crystal structure analyses of a new low-density CaFe2O4-related and CaTi2O4-type MgAl2O4, American Mineralogist, in press, 2021. 10.2138/am-2021-7619
  4. Tang, H., Yuan, X., Cheng, Y., Fei, H., Liu, F., Liang, T., Zeng, Z., Ishii, T., Wang, M.-S., Katsura, T., Sheng, S., Gou, H., Synthesis of Paracrystalline Diamond, Nature, 599, 605–610, 2021. 10.1038/s41586-021-04122-w
  5. Xie, L., Yoneda, A., Katsura, T., Andrault, D., Tange, Y., Higo, Y., Direct viscosity measurement of peridotite melt to lower-mantle conditions: a further support for a fractional magma-ocean solidification at the top of the lower mantle, Geophys. Res. Lett., 48, 2021GL094507, 2021. 10.1029/2021GL094507     
  6. Ishii, T., R. Huang, H-Z. Fei, I. Koemets, Z.-D. Liu, F. Maeda, L. Yuan, L. Wang, D. Druzhbin, T. Yamamoto, S. Bhat, R. Farla, T. Kawazoe, N. Tsujino, E. Kulik, Y. Higo, Y. Tange, T. Katsura, Complete agreement of the post-spinel transition with the 660-km seismic discontinuity. Sci. Rep. 8, 6358 , 2018. (Open Access)


  1. Ishii, T., D. Yamazaki, N. Tsujino, F. Xu, Z. Liu, T. Kawazoe, T. Yamamoto, D. Druzhbin, L. Wang, Y. Higo, Y. Tange, T. Yoshino, and T. Katsura, Pressure generation to 65 GPa in a Kawai-type multi-anvil apparatus with tungsten carbide anvils. High Pressure Res. 37, 507-515, 2017. doi: 10.1080/08957959.2017.137549 (Accepted Manuscript)
  2. Ishii, T., R. Sinmyo, T. Komabayashi, T.B. Ballaran, T. Kawazoe, N. Miyajima, K. Hirose, and T. Katsura, Synthesis and crystal structure of LiNbO3-type Mg3Al2Si3O12: A possible indicator of shock conditions of meteorites. Am. Miner. 102, 1947-1952, 2017. (Accepted Manuscript)
  3. Liu, Z.-D., T. Ishii and T. Katsura, Rapid decrease in oxygen-vacancy substitution in aluminous bridgmanite with pressure, Geochem. Persp. Lett. 5, 12-18, 2017. doi: 10.7185/geochemlet.1739 (Open Access)
  4. Liu, Z.-D., M. Nishi, T. Ishii, H.-Z. Fei, N. Miyajima, T. Boffa-Ballaran, H. Ohfuji, T. Sakai, L. Wang, S. Scheka, T. Arimoto, Y. Tange, Y. Higo, T. Irifune and T. Katsura, Phase relations in the system MgSiO3–Al2O3 up to 2300 K at lower-mantle pressures. J. Geophys. Res. - Solid Earth, 122, 2017. doi: 10.1002/2017JB014579 (Accepted Manuscript)
  5. Ishii, T., L.-L. Shi, R. Huang, N. Tsujino, D. Druzhbin, R. Myhill, Y. Li, L. Wang, T. Yamamoto, N. Miyajima, T. Kawazoe, N. Nishiyama, Y. Higo, Y. Tange, and T. Katsura, Generation of pressures over 40 GPa using Kawai-type multi-anvil apparatus with tungsten carbide anvils, Rev. Sci. Instr. 87, 024501, 2016. doi: 10.1063/1.4941716 (Accepted Manuscript)
  6. Katsura, T., K. Funakoshi, A. Kubo, N. Nishiyama, Y. Tange, Y. Sueda, T. Kubo, and W. Utsumi, A large-volume high P-T apparatus for in situ X-ray observation ‘SPEED-Mk.II, Phys. Earth Planet. Int. 143-144, 497-506, 2004. doi: 10.1016/j.pepi.2003.07.025 (Accepted Manuscript)