by carscat | May 12, 2021 | Science Highlights
Both seismic observations of dense low shear velocity regions and models of magma ocean crystallization and mantle dynamics support enrichment of iron in Earth’s lowermost mantle. Physical properties of iron-rich lower mantle heterogeneities in the modern Earth depend...
by carscat | May 9, 2021 | Science Highlights
Diverse plant communities are known to increase soil carbon (C) levels compared to monocultures, but an incomplete understanding of the underlying mechanisms of this phenomenon limits the development of strategies for optimizing soil C sequestration. We hypothesized...
by carscat | May 3, 2021 | Science Highlights
Through a series of high-pressure x-ray diffraction experiments combined with in situ laser heating, we explore the pressure–temperature phase diagram of germanium (Ge) at pressures up to 110 GPa and temperatures exceeding 3000 K. In the pressure range of 64–90 GPa,...
by carscat | Apr 30, 2021 | Science Highlights
Bulk nanopolycrystalline diamond (NPD) samples were deformed plastically within the diamond stability field up to 14 GPa and above 1473 K. Macroscopic differential stress Δσ was determined on the basis of the distortion of the 111 Debye ring using synchrotron X-ray...
by carscat | Apr 27, 2021 | News and Announcements, Science Highlights
Unlocking the secrets of Earth’s early atmosphere By Liz Thompson April 27, 2021 Research partly conducted at the Advanced Photon Source helped scientists discover the composition of Earth’s first atmosphere. What they found raises questions about the origin of life...
