[HTML][HTML] Carbon under pressure

B Sundqvist - Physics Reports, 2021 - Elsevier
Carbon is an element with extremely versatile bonding properties and theoretical
calculations have suggested the possible existence of several hundred structural allotropes …

Thermal conductivity of diamond composites

SV Kidalov, FM Shakhov - Materials, 2009 - mdpi.com
A major problem challenging specialists in present-day materials sciences is the
development of compact, cheap to fabricate heat sinks for electronic devices, primarily for …

Synthesis of paracrystalline diamond

H Tang, X Yuan, Y Cheng, H Fei, F Liu, T Liang, Z Zeng… - Nature, 2021 - nature.com
Solids in nature can be generally classified into crystalline and non-crystalline states,,,,,–,
depending on whether long-range lattice periodicity is present in the material. The …

Terapascal static pressure generation with ultrahigh yield strength nanodiamond

N Dubrovinskaia, L Dubrovinsky, NA Solopova… - Science …, 2016 - science.org
Studies of materials' properties at high and ultrahigh pressures lead to discoveries of unique
physical and chemical phenomena and a deeper understanding of matter. In high-pressure …

Lonsdaleite is faulted and twinned cubic diamond and does not exist as a discrete material

P Németh, LAJ Garvie, T Aoki, N Dubrovinskaia… - Nature …, 2014 - nature.com
Lonsdaleite, also called hexagonal diamond, has been widely used as a marker of
asteroidal impacts. It is thought to play a central role during the graphite-to-diamond …

Creation of nanostuctures by extreme conditions: high-pressure synthesis of ultrahard nanocrystalline cubic boron nitride.

VL Solozhenko, OO Kurakevych… - … (Deerfield Beach, Fla.), 2012 - europepmc.org
The synthesis of high-purity bulk nanostructured cubic boron nitride (cBN) at 20 GPa and
1770 K by direct phase transformation of graphite-like BN with an" ideal random layer" …

Superhard nanocomposite of dense polymorphs of boron nitride: Noncarbon material has reached diamond hardness

N Dubrovinskaia, VL Solozhenko, N Miyajima… - Applied Physics …, 2007 - pubs.aip.org
The authors report a synthesis of unique superhard aggregated boron nitride
nanocomposites (ABNNCs) showing the enhancement of hardness up to 100% in …

Hardness and deformation microstructures of nano-polycrystalline diamonds synthesized from various carbons under high pressure and high temperature

H Sumiya, T Irifune - Journal of materials research, 2007 - cambridge.org
Mechanical properties of high-purity nano-polycrystalline diamonds synthesized by direct
conversion from graphite and various non-graphitic carbons under static high pressures and …

A review of binderless polycrystalline diamonds: Focus on the high-pressure–high-temperature sintering process

J Guignard, M Prakasam, A Largeteau - Materials, 2022 - mdpi.com
Nowadays, synthetic diamonds are easy to fabricate industrially, and a wide range of
methods were developed during the last century. Among them, the high-pressure–high …

Machine learning the metastable phase diagram of covalently bonded carbon

S Srinivasan, R Batra, D Luo, T Loeffler… - Nature …, 2022 - nature.com
Conventional phase diagram generation involves experimentation to provide an initial
estimate of the set of thermodynamically accessible phases and their boundaries, followed …