Effects of the electronic spin transitions of iron in lower mantle minerals: Implications for deep mantle geophysics and geochemistry
We have critically reviewed and discussed currently available information regarding the spin
and valence states of iron in lower mantle minerals and the associated effects of the spin …
and valence states of iron in lower mantle minerals and the associated effects of the spin …
Perovskite in Earth's deep interior
Silicate perovskite-type phases are the most abundant constituent inside our planet and are
the predominant minerals in Earth's lower mantle more than 660 kilometers below the …
the predominant minerals in Earth's lower mantle more than 660 kilometers below the …
Discovery of bridgmanite, the most abundant mineral in Earth, in a shocked meteorite
Meteorites exposed to high pressures and temperatures during impact-induced shock often
contain minerals whose occurrence and stability normally confine them to the deeper …
contain minerals whose occurrence and stability normally confine them to the deeper …
Evidence for a Fe3+-rich pyrolitic lower mantle from (Al,Fe)-bearing bridgmanite elasticity data
The chemical composition of Earth's lower mantle can be constrained by combining
seismological observations with mineral physics elasticity measurements,,. However, the …
seismological observations with mineral physics elasticity measurements,,. However, the …
Evidence for the charge disproportionation of iron in extraterrestrial bridgmanite
Bridgmanite, MgSiO3 with perovskite structure, is considered the most abundant mineral on
Earth. On the lower mantle, it contains Fe and Al that strongly influence its behavior …
Earth. On the lower mantle, it contains Fe and Al that strongly influence its behavior …
The effects of trivalent cations (Al and Fe) on the grain growth rates of bridgmanite
H Fei, Y Lyu, F Wang, C McCammon… - Earth and Planetary …, 2024 - Elsevier
Trivalent cations such as Al 3+ and Fe 3+ can be incorporated into the crystal structure of
bridgmanite either by the charge-coupled mechanism forming the FeFeO 3, AlAlO 3, and …
bridgmanite either by the charge-coupled mechanism forming the FeFeO 3, AlAlO 3, and …
Reduced lattice thermal conductivity of Fe‐bearing bridgmanite in Earth's deep mantle
Complex seismic, thermal, and chemical features have been reported in Earth's lowermost
mantle. In particular, possible iron enrichments in the large low shear‐wave velocity …
mantle. In particular, possible iron enrichments in the large low shear‐wave velocity …
Metastable silica high pressure polymorphs as structural proxies of deep Earth silicate melts
Modelling of processes involving deep Earth liquids requires information on their structures
and compression mechanisms. However, knowledge of the local structures of silicates and …
and compression mechanisms. However, knowledge of the local structures of silicates and …
Thermoelasticity of Fe2+‐bearing bridgmanite
We present local density approximation augmented by the Hubbard‐type correction
calculations of high‐temperature elastic properties of bridgmanite with composition for …
calculations of high‐temperature elastic properties of bridgmanite with composition for …
Single-crystal diffraction at the Extreme Conditions beamline P02. 2: procedure for collecting and analyzing high-pressure single-crystal data
A Rothkirch, GD Gatta, M Meyer, S Merkel… - Journal of …, 2013 - journals.iucr.org
Fast detectors employed at third-generation synchrotrons have reduced collection times
significantly and require the optimization of commercial as well as customized software …
significantly and require the optimization of commercial as well as customized software …