Converting graphite into diamond has been a long held dream of alchemists the world over. In the modern era, materials scientists have puzzled over this process because it’s hard to work out why ...

Simulations of formation of graphite (top) and diamond (bottom) under very high temperature and pressure (Davide Donadio, UC Davis). Differences in crystallization Through the simulations, the team ...

(Nanowerk News) A research team led by SLAC scientists has uncovered a potential new route to produce thin diamond films for a variety of industrial applications, from cutting tools to electronic ...

New Material Breakthrough: Super-hard Graphite Cracks Diamond Date: October 17, 2003 Source: Carnegie Institution Summary: It is hard to imagine that graphite, the soft "lead" of pencils, can be ...

GCSE AQA Trilogy Giant covalent molecules - AQA Diamond and graphite Giant covalent substances have many atoms joined together by covalent bonds. Diamond, graphite and graphene are forms of carbon ...

Image shows simulations of the nucleation pathways of graphite (top row) and diamond (bottom row) from direct molecular dynamics simulations at pressures of 15 and 15.5 GPa and a temperature of ...

Brief Communication Published: 06 February 2003 Materials Ultrahard polycrystalline diamond from graphite Tetsuo Irifune, Ayako Kurio, Shizue Sakamoto, Toru Inoue & Hitoshi Sumiya Nature 421, 599 ...

Graphite remains stable at pressures higher than those of its equilibrium coexistence with diamond. This has proved hard to explain, owing to the difficulty in simulating the transition with ...

Pure carbon can be found as diamond, graphite, fullerenes and graphene. Crude oil is made from hydrocarbons which can be processed to make a variety of fuels and other useful products.