Materials discovery at high pressures

L Zhang, Y Wang, J Lv, Y Ma - Nature Reviews Materials, 2017 - nature.com
Pressure is a fundamental thermodynamic variable that can be used to control the properties
of materials, because it reduces interatomic distances and profoundly modifies electronic …

Solids, liquids, and gases under high pressure

HK Mao, XJ Chen, Y Ding, B Li, L Wang - Reviews of Modern Physics, 2018 - APS
Pressure has long been recognized as a fundamental thermodynamic variable but its
application was previously limited by the available pressure vessels and probes. The …

Microscopic theory of hardness and design of novel superhard crystals

Y Tian, B Xu, Z Zhao - International Journal of Refractory Metals and Hard …, 2012 - Elsevier
Hardness can be defined microscopically as the combined resistance of chemical bonds in
a material to indentation. The current review presents three most popular microscopic …

Crystal structures and elastic properties of superhard and from first principles

Z Wu, E Zhao, H **ang, X Hao, X Liu, J Meng - Physical Review B …, 2007 - APS
First principles calculations were performed to investigate the structural, elastic, and
electronic properties of Ir N 2 for various space groups: cubic F m-3 m and P a-3, hexagonal …

Atomic stiffness for bulk modulus prediction and high-throughput screening of ultraincompressible crystals

R **, X Yuan, E Gao - Nature Communications, 2023 - nature.com
Determining bulk moduli is central to high-throughput screening of ultraincompressible
materials. However, existing approaches are either too inaccurate or too expensive for …

Fe-N system at high pressure reveals a compound featuring polymeric nitrogen chains

M Bykov, E Bykova, G Aprilis, K Glazyrin… - Nature …, 2018 - nature.com
Poly-nitrogen compounds have been considered as potential high energy density materials
for a long time due to the large number of energetic N–N or N= N bonds. In most cases high …

The Chemical Imagination at Work in Very Tight Places

W Grochala, R Hoffmann, J Feng… - Angewandte Chemie …, 2007 - Wiley Online Library
Pressure and temperature influence all properties of a chemical system. And determine the
fate of a chemical reaction. Gases—and phase and chemical equilibria involving gaseous …

Hexagonal layered polymeric nitrogen phase synthesized near 250 GPa

D Laniel, G Geneste, G Weck, M Mezouar, P Loubeyre - Physical review letters, 2019 - APS
The nitrogen triple bond dissociates in the 100 GPa pressure range and a rich variety of
single-bonded polymeric nitrogen structures unique to this element have been predicted up …

Global structural optimization of tungsten borides

Q Li, D Zhou, W Zheng, Y Ma, C Chen - Physical Review Letters, 2013 - APS
Tungsten borides are among a distinct class of transition-metal light-element compounds
with superior mechanical properties that rival those of traditional superhard materials. An in …

Thermodynamic routes to novel metastable nitrogen-rich nitrides

W Sun, A Holder, B Orvañanos, E Arca… - Chemistry of …, 2017 - ACS Publications
Compared to oxides, the nitrides are relatively unexplored, making them a promising
chemical space for novel materials discovery. Of particular interest are nitrogen-rich nitrides …