In situ crystallization of barium zinc silicate in glass-ceramics studied by hot stage scanning electron microscopy.


Glasses with the mol% composition 30ZnO, 10Na(2)O, 10BaO and 50SiO(2) were annealed at 700°C and 760°C ex situ as well as in situ using a hot stage scanning electron microscope (SEM). The formed crystal phase (BaZn(2)Si(2)O(7)) was proved ex situ by X-ray diffraction. Annealing the glass samples in the SEM resulted in a strong surface crystallization, which… (More)
DOI: 10.1093/jmicro/dfs058


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