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8 ore fa · AlxYB2O3 [(6-x–Y)P2O5]TeO3 (x = 3, 2, 1, and Y = 2.5, 1.5, and 0.5) was synthesised by the sol–gel autocombustion method and calcinated at 800 °C for 2 h. The ultraviolet–visible study shows maximum absorbance at ~ 264 nm with optical band gaps ranging from 4.21 to 4.24 eV. The X-ray diffraction pattern confirmed the body-centred cubic (BCC) structure, with an average particle size of ...
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