Perfect sheets of diamond a few atoms thick appear to be possible even without the big squeeze that makes natural gems.
Scientists have speculated about it and a few labs have even seen
signs of what they call diamane, an extremely thin film of diamond that
has all of diamond’s superior semiconducting and thermal properties.
Now researchers at Rice University and in Russia have calculated a “phase diagram”
for the creation of diamane. The diagram is a road map. It lays out the
conditions – temperature, pressure and other factors – that would be
necessary to turn stacked sheets of graphene into a flawless diamond lattice.
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| The phase diagram developed by scientists at Rice University and in Moscow describes the conditions necessary for the chemical creation of thin films of diamond from stacks of single-atomic-layer graphene. (Credit: Pavel Sorokin/Technological Institute for Superhard and Novel Carbon Materials) |
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