Contribution of spatially and spectrally resolved cathodoluminescence to study crack-tip phenomena in silica glass.


A current controversy over the nature of fracture in silica glass is revisited in the light of additional experimental evidence obtained by cathodoluminescence (CL) spectroscopy in the immediate crack-tip zone of two different types of silica glass. The Letter describes the dual experimental output obtained by monitoring optically active oxygen defects in… (More)


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