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High-pressure Phase Transition of Olivine-type MgGeO to a Metastable Forsterite-III type Structure and their Equation of States
R. V. Divya, G. Kumar, R. E. Cohen +5
Germanates are often used as structural analogs of planetary silicates. We have explored the high-pressure phase relations in MgGeO using diamond anvil cell experiments com…
Nonlinearity of the post-spinel transition and its expression in slabs and plumes worldwide
Junjie Dong, Rebecca A. Fischer, Lars Stixrude +6
At the interface of Earth's upper and lower mantle, the post-spinel transition boundary controls the dynamics and morphologies of downwelling slabs and upwelling plumes, and its Cl…
Reconciliation of experiments and theory on transport properties of iron and the geodynamo
Zhang Youjun, Hou Mingqiang, Liu Guangtao +6
The amount of heat transport from the core, which constrains the dynamics and thermal evolution of the region, depends on the transport properties of iron. Ohta et al.(2016) and Ko…
Revealing the complex nature of bonding in binary high-pressure compound FeO
E. Koemets, I. Leonov, M. Bykov +21
Extreme pressures and temperatures are known to drastically affect the chemistry of iron oxides resulting in numerous compounds forming homologous series FeOFeO…
Raman spectroscopy and X-ray diffraction of sp3-CaCO3 at lower mantle pressures
Sergey S. Lobanov, Xiao Dong, Naira S. Martirosyan +8
The exceptional ability of carbon to form sp2 and sp3 bonding states leads to a great structural and chemical diversity of carbon-bearing phases at non-ambient conditions. Here we…