Chemistry under high pressure

M Miao, Y Sun, E Zurek, H Lin - Nature Reviews Chemistry, 2020 - nature.com
Thanks to the development of experimental high-pressure techniques and methods for
crystal-structure prediction based on quantum mechanics, in the past decade, numerous …

Materials by design at high pressures

M Xu, Y Li, Y Ma - Chemical Science, 2022 - pubs.rsc.org
Pressure, a fundamental thermodynamic variable, can generate two essential effects on
materials. First, pressure can create new high-pressure phases via modification of the …

High-temperature superconductivity in alkaline and rare earth polyhydrides at high pressure: A theoretical perspective

E Zurek, T Bi - The Journal of chemical physics, 2019 - pubs.aip.org
The theoretical exploration of the phase diagrams of binary hydrides under pressure using
ab initio crystal structure prediction techniques coupled with first principles calculations has …

Multiple superionic states in helium–water compounds

C Liu, H Gao, Y Wang, RJ Needs, CJ Pickard, J Sun… - Nature Physics, 2019 - nature.com
Superionic states are phases of matter that can simultaneously exhibit some of the
properties of a liquid and of a solid. For example, in superionic ice, hydrogen atoms can …

Plastic and superionic helium ammonia compounds under high pressure and high temperature

C Liu, H Gao, A Hermann, Y Wang, M Miao, CJ Pickard… - Physical Review X, 2020 - APS
Both helium and ammonia are main components of icy giant planets. While ammonia is very
reactive, helium is the most inert element in the universe. It is of great interest whether …

[HTML][HTML] Chemistry under extreme conditions: Pressure evolution of chemical bonding and structure in dense solids

CS Yoo - Matter and Radiation at Extremes, 2020 - pubs.aip.org
Recent advances in high-pressure technologies and large-scale experimental and
computational facilities have enabled scientists, at an unprecedented rate, to discover and …

Crystal structure prediction: reflections on present status and challenges

AR Oganov - Faraday discussions, 2018 - pubs.rsc.org
Long thought to be impossible, crystal structure prediction (CSP) is a thriving field today, with
many important discoveries in fields as diverse as computational materials discovery, drug …

Rare Helium-Bearing Compound Stabilized at Deep-Earth Conditions

J Zhang, J Lv, H Li, X Feng, C Lu, SAT Redfern, H Liu… - Physical Review Letters, 2018 - APS
There is compelling geochemical evidence for primordial helium trapped in Earth's lower
mantle, but the origin and nature of the helium source remain elusive due to scarce …

Formation of ammonia–helium compounds at high pressure

J Shi, W Cui, J Hao, M Xu, X Wang, Y Li - Nature Communications, 2020 - nature.com
Uranus and Neptune are generally assumed to have helium only in their gaseous
atmospheres. Here, we report the possibility of helium being fixed in the upper mantles of …

Xenon iron oxides predicted as potential Xe hosts in Earth's lower mantle

F Peng, X Song, C Liu, Q Li, M Miao, C Chen… - Nature …, 2020 - nature.com
An enduring geological mystery concerns the missing xenon problem, referring to the
abnormally low concentration of xenon compared to other noble gases in Earth's …