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Elastic diamond could be used to make LEDs and lasers – physicsworld.com

Tiny pieces of diamond can be stretched to change their electronic properties

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Stress and strain: artistic representation of the device used to stretch the diamond samples. In real life the clear pieces of diamond are about 5 micron tall. (Courtesy: City University of Hong Kong)
Normally brittle diamond has been stretched by almost 10% by an international team of scientists in China. Modelling done by the team suggests that this stretching significantly alters the electronic properties of the material, which could lead to new applications for diamond such as LEDs and variable-colour…

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