Nuclear resonance techniques for high-pressure research: example of the ID18 beamline of the European Synchrotron Radiation Facility

I Kupenko, X Li, SC Müller, D Bessas… - High Pressure …, 2024 - Taylor & Francis
We review applications of various nuclear resonance techniques for high-pressure
experiments within the nearly 30-year-long operation of the Nuclear Resonance beamline at …

WISTFUL: Whole‐rock interpretative seismic toolbox for ultramafic lithologies

WJ Shinevar, O Jagoutz… - Geochemistry, Geophysics …, 2022 - Wiley Online Library
To quantitatively convert upper mantle seismic wave speeds measured into temperature,
density, composition, and corresponding and uncertainty, we introduce the Whole‐rock …

Sound velocities in FeSi at lower mantle conditions and the origin of ultralow‐velocity zones

V Mergner, I Kupenko, G Spiekermann… - Geophysical …, 2021 - Wiley Online Library
The origin of ultralow‐velocity zones (ULVZs) remains an open question despite recent
advances in mineral physics and seismology. Here, we examine the hypothesis that FeSi …

Mössbauer spectroscopy with high spatial resolution: spotlight on geoscience

C McCammon - … Mössbauer Spectroscopy: New Challenges Based on …, 2021 - Springer
Mössbauer spectroscopy is an important tool in geoscience. Samples are often small or
heterogeneous, requiring measurements with small beam size. Such measurements can be …

Low velocity zones in the Martian upper mantle highlighted by sound velocity measurements

F Xu, NC Siersch, S Greaux, A Rivoldini… - Geophysical …, 2021 - Wiley Online Library
Abstract The InSight mission to Mars is currently monitoring the seismic activity of the planet.
Interpretation of seismological observations in terms of composition and mineralogy requires …

High pressure‐temperature single‐crystal elasticity of grossular: Implications for the low‐velocity layer in the bottom transition zone

W Wei, Z Mao, N Sun, D Sun… - Geophysical Research …, 2021 - Wiley Online Library
We determined the single‐crystal elasticity of Fe3+‐bearing grossular using Brillouin
scattering up to 22 GPa and 1,000 K. Using the obtained results, we modeled mantle …

Seismic detectability of carbonates in the deep Earth: A nuclear inelastic scattering study

S Chariton, C McCammon, DM Vasiukov… - American …, 2020 - degruyter.com
Carbonates play an important role in the transport and storage of carbon in the Earth's
mantle. However, the abundance of carbon and carbonates in subduction zones is still an …

Crystal chemistry and compressibility of Fe0.5Mg0.5Al0.5Si0.5O3 and FeMg0.5Si0.5O3 silicate perovskites at pressures up to 95 GPa

I Koemets, B Wang, E Koemets, T Ishii, Z Liu… - Frontiers in …, 2023 - frontiersin.org
Silicate perovskite, with the mineral name bridgmanite, is the most abundant mineral in the
Earth's lower mantle. We investigated crystal structures and equations of state of two …

Crystal chemistry and compressibility of Fe₀. ₅Mg₀. ₅Al₀. ₅Si₀. ₅O₃ and FeMg₀. ₅Si₀. ₅O₃ silicate perovskites at pressures up to 95 GPa

I Koemets, B Wang, E Koemets, T Ishii… - Frontiers in …, 2023 - epub.uni-bayreuth.de
Silicate perovskite, with the mineral name bridgmanite, is the most abundant mineral in the
Earth's lower mantle. We investigated crystal structures and equations of state of two …

Elastic properties of majoritic garnet inclusions in diamonds and the seismic signature of pyroxenites in the Earth's upper mantle

I Koemets, N Satta, H Marquardt, ES Kiseeva… - American …, 2020 - degruyter.com
Majoritic garnet has been predicted to be a major component of peridotite and eclogite in
Earth's deep upper mantle (> 250 km) and transition zone. The investigation of mineral …