activity
20112020
most citedPersistence of Strong Silica-Enriched Domains in the Earth's Lower Mantle

218 citations · 503 across the 5 of their papers we have counts for

collaborators

5 papers

cond-mat.mtrl-sci2020★ 24 cited

Thermal Conductivity of CaSiO Perovskite at Lower Mantle Conditions

Zhen Zhang, Dong-Bo Zhang, Kotaro Onga +4

Thermal conductivity () of mantle minerals is a fundamental property in geodynamic modeling. It controls the style of mantle convection and the time scale of the mantle and core…

astro-ph.EP2018★ 218 cited

Persistence of Strong Silica-Enriched Domains in the Earth's Lower Mantle

Maxim D. Ballmer, Christine Houser, John W. Hernlund +2

The composition of the lower mantle comprising 56% of Earth's volume remains poorly constrained. Among the major elements, Mg/Si ratios ranging from 0.91.1, such a…

astro-ph.EP2018★ 90 cited

Reconciling Magma-Ocean Crystallization Models with the present-day Structure of the Earth's mantle

Maxim D. Ballmer, Diogo L. Lourenço, Kei Hirose +2

Terrestrial planets are thought to experience episode(s) of large-scale melting early in their history. Fractionation during magma-ocean freezing leads to unstable stratification w…

cond-mat.mtrl-sci2015★ 36 cited

Post-stishovite transition in hydrous aluminous SiO2

Koichiro Umemoto, Katsuyuki Kawamura, Kei Hirose +1

Lakshtanov et al. (2007) showed that incorporation of aluminum and some water into SiO2 significantly reduces the post-stishovite transition pressure in SiO2. This discovery sugges…

cond-mat.mtrl-sci2011★ 135 cited

Experimental and theoretical evidence for pressure-induced metallization in FeO with the rock-salt type structure

Kenji Ohta, R. E. Cohen, Kei Hirose +3

Electrical conductivity of FeO was measured up to 141 GPa and 2480 K in a laserheated diamond-anvil cell. The results show that rock-salt (B1) type structured FeO metallizes at aro…