Abstract
It has been shown by the methods of X-ray powder diffraction (XRD), differential thermal analysis (DTA) and infrared spectroscopy (IR) that solid solutions of a formula Cr1−xAlxVMoO7, where xε (0−0.65), are formed in the system CrVMoO7-AlVMoO7. The obtained research results have proven that the ions Al3+ are incorporated into the crystal lattice of CrVMoO7 instead of Cr3+, which causes a contraction of the lattice and a shift of IR absorption bands towards higher values of wavenumbers. The phases Cr1−xAlxVMoO7 melt incongruently in the temperature range from 710°C (for x=0.65) to ∼820°C in the case of x close to zero
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Tabero, P., Filipek, E. Synthesis and properties of a solid solution formed in the CrVMoO7 - AlVMoO7 system. Journal of Thermal Analysis and Calorimetry 77, 183–191 (2004). https://doi.org/10.1023/B:JTAN.0000033202.46419.2c
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DOI: https://doi.org/10.1023/B:JTAN.0000033202.46419.2c