Materials discovery at high pressures
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 …
of materials, because it reduces interatomic distances and profoundly modifies electronic …
Solids, liquids, and gases under high pressure
Pressure has long been recognized as a fundamental thermodynamic variable but its
application was previously limited by the available pressure vessels and probes. The …
application was previously limited by the available pressure vessels and probes. The …
Microscopic theory of hardness and design of novel superhard crystals
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 …
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 …
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 …
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
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 …
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
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 …
fate of a chemical reaction. Gases—and phase and chemical equilibria involving gaseous …
Hexagonal layered polymeric nitrogen phase synthesized near 250 GPa
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 …
single-bonded polymeric nitrogen structures unique to this element have been predicted up …
Global structural optimization of tungsten borides
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 …
with superior mechanical properties that rival those of traditional superhard materials. An in …
Thermodynamic routes to novel metastable nitrogen-rich nitrides
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 …
chemical space for novel materials discovery. Of particular interest are nitrogen-rich nitrides …