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Wednesday, October 29, 2008

Technology is good also for diamonds

If diamonds are a girl's best friends so is technology.
Using chemical vapor deposition, gems can be grown very rapidly.
Diamond, the purest and hardest form of Carbon is used not only for jewels, but also for making scalpel blades, electronic components, and even quantum computers.
Its main quality is its hardness and resistance to chemicals, and for this reason can also be a very difficult material to work with.
A team of scientists at the Carnegie Institution in Washington, D.C. use a method called chemical vapor deposition (CVD) to grow synthetic diamonds.
These diamonds can be grown very rapidly and have relatively few defects.
The new method, detailed in the Oct. 27 issue of the journal Proceedings of the National Academy of Sciences, also lets the researchers grow diamonds bigger.
"The breakthrough will allow us to push to kilocarat diamonds of high optical quality."
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