Graphite changes to hexagonal diamond in picoseconds
The graphite-diamond phase transition is of particular interest for fundamental reasons and a wide range of applications.
The graphite-diamond phase transition is of particular interest for fundamental reasons and a wide range of applications.
General Physics
Aug 8, 2022
0
1007
Lawrence Livermore National Laboratory (LLNL) scientists recently obtained high-precision thermodynamic data on warm dense nitrogen at extreme conditions that could lead to a better understanding of the interiors of celestial ...
Condensed Matter
Jun 28, 2022
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41
When a meteorite hurtles through the atmosphere and crashes to Earth, how does its violent impact alter the minerals found at the landing site? What can the short-lived chemical phases created by these extreme impacts teach ...
Materials Science
Aug 26, 2020
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225
A team of theorists from Lawrence Livermore National Laboratory (LLNL) has solved a long-standing puzzle in the nucleation of a high-pressure phase of ice known as ice VII, which is believed to exist near the core of "ocean ...
Condensed Matter
Oct 12, 2018
1
61
Among the many discoveries on matter at high pressure that garnered him the Nobel Prize in 1946, scientist Percy Bridgman discovered five different crystalline forms of water ice, ushering in more than 100 years of research ...
Condensed Matter
Feb 6, 2018
0
280
A new study by Washington State University researchers answers longstanding questions about the formation of a rare type of diamond during major meteorite strikes.
Condensed Matter
Nov 2, 2017
1
381
For the first time, scientists have reported in-situ diffraction experiments measuring deformation twinning at the lattice level during shock compression. The results were recently published in Nature by a team of researchers ...
Condensed Matter
Oct 27, 2017
0
11
Stanford scientists are harnessing the power of focused X-ray beams to study the transformations undergone by rocks under intense heat and pressure. The technique could provide new insights into ancient asteroid impact events ...
General Physics
Nov 8, 2016
0
24
New laser-driven compression experiments reproduce the conditions deep inside exotic super-Earths and giant planet cores, and the conditions during the violent birth of Earth-like planets, documenting the material properties ...
General Physics
Jan 22, 2015
5
1028
(Phys.org) —Using an ultrafast laser system, a group in Physical and Life Sciences at Lawrence Livermore National Laboratory have subjected iron to extremely rapid dynamic compression and have shown that the transition ...
Condensed Matter
Apr 29, 2014
0
0