[PDF][PDF] Extreme conditions research using the large-volume press at the P61B endstation, PETRA III

R Farla, S Bhat, S Sonntag, A Chanyshev… - Journal of …, 2022 - journals.iucr.org
Penetrating, high-energy synchrotron X-rays are in strong demand, particularly for high-
pressure research in physics, chemistry and geosciences, and for materials engineering …

Electrical resistivity of Fe and Fe‐3 wt% P at 5 GPa with implications for the Moon's core conductivity and dynamo

Y Yin, L Wang, S Zhai, Y Fei - Journal of Geophysical …, 2022 - Wiley Online Library
A high‐magnetic field once existed in the early history of the Moon, suggesting the core
once possessed a thermally driven dynamo. The thermal conductivity of core materials is a …

Thermal and dynamo evolution of the lunar core based on the transport properties of Fe‐S‐P alloys

K Zhai, Y Yin, S Zhai - Geophysical Research Letters, 2024 - Wiley Online Library
Paleomagnetic analyses have suggested that the lunar magnetic field underwent a
significant change from 4.25 to 3.19 Ga, indicating the rapid transition of the lunar dynamo …

Experimental evidence supporting an overturned iron‐titanium‐rich melt layer in the deep lunar interior

M Xu, Z **g, JA Van Orman, T Yu… - Geophysical Research …, 2022 - Wiley Online Library
Abstract Dense Fe‐Ti‐rich cumulates, formed as the last dregs of the lunar magma ocean,
are thought to have driven a large‐scale overturn of the lunar mantle over 4 Ga ago …

High-pressure elastic properties of dolomite melt supporting carbonate-induced melting in deep upper mantle

M Xu, Z **g, SK Bajgain… - Proceedings of the …, 2020 - National Acad Sciences
Deeply subducted carbonates likely cause low-degree melting of the upper mantle and thus
play an important role in the deep carbon cycle. However, direct seismic detection of …

Sound velocity and compressibility of melts along the hedenbergite (CaFeSi2O6)-diopside (CaMgSi2O6) join at high pressure: Implications for stability and seismic …

M Xu, Z **g, T Yu, EE Alp, B Lavina… - Earth and Planetary …, 2022 - Elsevier
Iron-rich silicate melts play an important role in the magmatic history of the Earth and the
Moon. However, their elastic properties at high pressures, especially the sound velocities …

High-pressure sound velocity measurements of liquids using in situ ultrasonic techniques in a multianvil apparatus

Z **g, T Yu, M Xu, J Chantel, Y Wang - Minerals, 2020 - mdpi.com
Sound velocity and equation of state of liquids provide important constraints on the
generation, presence, and transport of silicate and metallic melts in the Earth's interior …

Electrical resistivity of iron phosphides at high‐pressure and high‐temperature conditions with implications for lunar core's thermal conductivity

Y Yin, K Zhai, B Zhang, S Zhai - Journal of Geophysical …, 2019 - Wiley Online Library
Based on cosmochemistry evidence and element partitioning experiments, phosphorus is
thought to be present in the iron‐rich cores of Earth and Moon. Phosphorus has a similar …

Ultrasonic velocity of diopside liquid at high pressure and temperature: Constraints on velocity reduction in the upper mantle due to partial melts

M Xu, Z **g, J Chantel, P Jiang, T Yu… - Journal of Geophysical …, 2018 - Wiley Online Library
Sound velocities of diopside liquid were determined at high pressures and temperatures up
to 3.8 GPa and 2375 K, using the ultrasonic technique combined with synchrotron X‐ray …

In situ determination of thermoelastic properties of magnesite at high pressure and temperature with implications to seismic detectability of moderately carbonated …

M Xu, Z **g, JA Van Orman, T Yu… - Journal of Geophysical …, 2024 - Wiley Online Library
Subduction of carbonate‐bearing oceanic plates into Earth's interior recycles carbon from
the surface to the deep mantle. The subducted carbonates can significantly affect mantle …