Research & Activities


Deep Earth Science

M. A. Siegler, R. S. Miller, J. T. Keane, M. Laneuville, D. A. Paige, I. Matsuyama, D. J. Lawrence, A. Crotts & M. J. Poston. Lunar true polar wander inferred from polar hydrogen, Nature, 531, 480-484, doi:10.1038/nature17166, 2016.

Tateno, S., Kuwayama, Y., Hirose, K., Ohishi, Y., Crystal structure of Fe-Si alloy in the Earth's inner core, Earth and Planetary Science Letters, 418, 11-19, 2015.

Labrosse, S., Hernlund, J., Hirose, K., Fractional melting and freezing in the deep mantle and implications for the formation of a basal magma ocean, in "Early Earth: Accretion and Differentiation", AGU monograph, 212, 111-130, 2015.

Gomi, H., Hirose, K., Electrical resistivity and thermal conductivity of hcp Fe-Ni alloys under high pressure: Implications for thermal convection in the Earth's core, Physics of the Earth and Planetary Interiors, doi:10.1016/j.pepi.2015.04.003, 2015.

Minobe, S., Nakajima, Y., Hirose, K., Ohishi, Y., Stability and compressibility of a new iron-nitride β-Fe7N3 to core pressures, Geophysical Research Letters, 42, doi:10.1002/2015GL064496, 2015.

Komabayashi, T., Kato, J., Hirose, K., Tsutsui, S., Imada, S, Nakajima, Y., Baron, A. Q. R., Temperature dependence of the velocity-density relation for liquid metals under high pressure: implications for the Earth's outer core, American Mineralogist, 100, 2602-2609, 2015.

Umemoto, K., Hirose, K., Liquid iron-hydrogen alloys at outer core conditions by first-principles calculations, Geophysical Research Letters, 42, 7513-7520, doi:10.1002/2015GL065899, 2015.

Hirose, K., Phase transition and melting in the deep lower mantle, AGU monograph "Deep Earth: Physics and Chemistry of the Lower Mantle and Core" in press.

Yoichi Nakajima, Saori Imada, Kei Hirose, Tetsuya Komabayashi, Haruka Ozawa, Shigehiko Tateno, Satoshi Tsutsui, Yasuhiro Kuwayama, Alfred Q. R. Baron, "Carbon-depleted outer core revealed by sound velocity measurements of liquid iron-carbon alloy", Nature Communications, doi: 10.1038/NCOMMS9942

Koichiro Umemoto, Emiko Sugimura, Stefano de Gironcoli, Yoichi Nakajima, Kei Hirose, Yasuo Ohishi, and Renata M. Wentzcovitch,. "Nature of the Volume Isotope Effect in Ice" Physical Review Letters (2015), DOI: http://dx.doi.org/10.1103/PhysRevLett.115.173004.