Crystal Structures and Phase-Transitions Analysis of the Double Perovskites Sr2Co1−xNixTeO6 (x = 0.25, 0.5 and 0.75) Using X-ray Powder Diffraction, Raman and Infrared Spectroscopy

1. Zaraq, A.
2. Orayech, B.
3. Igartua, J.M.
4. El Bouari, A.