The radiation-induced blue (2.8 eV) luminescence in quartz is associated with the decay of a metastable state which appears to be intrinsic. It has been speculated that this centre is a form of self-trapped exciton. We describe calculations that test microscopic models of the defect.
A. J. Fisher, W. Hayes and A. M. Stoneham, J. Chem. Soc., Faraday Trans. 2, 1989, 85, 467 DOI: 10.1039/F29898500467
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