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 …
Spin transitions in mantle minerals
J Badro - Annual Review of Earth and Planetary Sciences, 2014 - annualreviews.org
Mantle minerals at shallow depths contain iron in the high-spin electronic state. The crystal-
field splitting energy increases with increasing pressure, which can favor the low-spin state …
field splitting energy increases with increasing pressure, which can favor the low-spin state …
Visualizing the non-equilibrium dynamics of photoinduced intramolecular electron transfer with femtosecond X-ray pulses
Ultrafast photoinduced electron transfer preceding energy equilibration still poses many
experimental and conceptual challenges to the optimization of photoconversion since an …
experimental and conceptual challenges to the optimization of photoconversion since an …
Guest–host Interactions investigated by time-resolved X-ray spectroscopies and scattering at MHz rates: solvation dynamics and photoinduced spin transition in …
We have studied the photoinduced low spin (LS) to high spin (HS) conversion of [Fe (bipy) 3]
2+ in aqueous solution. In a laser pump/X-ray probe synchrotron setup permitting …
2+ in aqueous solution. In a laser pump/X-ray probe synchrotron setup permitting …
Spin-state studies with XES and RIXS: From static to ultrafast
We report on extending hard X-ray emission spectroscopy (XES) along with resonant
inelastic X-ray scattering (RIXS) to study ultrafast phenomena in a pump-probe scheme at …
inelastic X-ray scattering (RIXS) to study ultrafast phenomena in a pump-probe scheme at …
Spin crossover of iron in aluminous MgSiO3 perovskite and post-perovskite
H Hsu, GY Yonggang, RM Wentzcovitch - Earth and Planetary Science …, 2012 - Elsevier
Using density functional theory+ Hubbard U (DFT+ U) calculations, we investigate how
aluminum affects the spin crossover of iron in MgSiO3 perovskite (Pv) and post-perovskite …
aluminum affects the spin crossover of iron in MgSiO3 perovskite (Pv) and post-perovskite …
[HTML][HTML] Compressional and shear wave velocities of Fe-bearing silicate post-perovskite in Earth's lowermost mantle
The bridgmanite (Bgm) to silicate post-perovskite (PPv) phase transition is believed to be the
main cause for the distinct seismic features observed in the D''layer, the lowermost region of …
main cause for the distinct seismic features observed in the D''layer, the lowermost region of …
Effects of the Fe3+ spin transition on the equation of state of bridgmanite
We have investigated the equation of state of Fe‐bearing bridgmanite,(Mg0. 9Fe0. 1) SiO3,
using synchrotron X‐ray diffraction in diamond anvil cells up to 125 GPa and 300 K …
using synchrotron X‐ray diffraction in diamond anvil cells up to 125 GPa and 300 K …
Electronic spin states of ferric and ferrous iron in the lower-mantle silicate perovskite
The electronic spin and valence states of iron in lower-mantle silicate perovskite have been
previously investigated at high pressures using various experimental and theoretical …
previously investigated at high pressures using various experimental and theoretical …
Seismic anisotropy of the D ″layer induced by (001) deformation of post-perovskite
Crystallographic preferred orientation (CPO) of post-perovskite (Mg, Fe) SiO3 (pPv) has
been believed to be one potential source of the seismic anisotropic layer at the bottom of the …
been believed to be one potential source of the seismic anisotropic layer at the bottom of the …