Synthesis, structure, UV–Vis–NIR, infrared and Raman spectroscopy, and force-field investigation for A^sub 2^GaSbO^sub 7^ (A^sup 3+^ = Y, Dy, Gd) pyrochlores

Three mixed pyrochlores, A2GaSbO7 (A3+ = Y, Dy, Gd) were synthesized using the solid-state reaction technique and characterized systematically through powder X-ray diffraction and its Rietveld analysis, SEM-EDAX, UV–Visible absorption spectra, Fourier-transform infrared and Raman spectroscopy. Scher...

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