Abstract

AbstractThe formation of solid solutions in the CaMoO4‐CaWO4 binary system is investigated by X‐ray diffraction, Raman spectroscopy, and scanning electron microscopy methods. The intermixtures of CaMoO4 and CaWO4 components are sintered in 600—1200 °C temperature range (in 100 °C increments). The solidus of the CaMoxW(1‐x)O4 system is studied by the differential scanning calorimetry method in the x = 0.3 … 1.0 range. CaMoO4‐CaWO4 phase diagram is constructed up to 1550 °C. The minimal sintering temperature in order to get CaMoxW(1‐x)O4 solid solution is shown to be 800 °C. Cathodoluminescence study of CaMoxW(1‐x)O4 compounds showed higher intensity of molybdate luminescence type.

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