Non-isothermal crystallization of La2O3·B2O3·2GeO 2 glassesстатьяИсследовательская статья
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Аннотация:The non-isothermal crystallization of lanthanum borogermanate glasses, of stoichiometry LaBGeO5 has been studied by differential thermal analysis. The phase that crystallizes during the DTA runs was identified by X-ray diffraction as the stillwellite-like LaBGeO5. In the glasses studied, crystallization from surface nuclei was found to be dominant. The activation energy of crystal growth, evaluated from DTA curves, was about 465 kJ mol-1.