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A Raman study of cation-disorder transition temperature of natural \(MgA{l_2}{O_4}\) spinel

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In the work "A Raman study of cation-disorder transition temperature of natural \(MgA{l_2}{O_4}\) spinel", the author have measured Raman spectra of samples of natural \(MgA{l_2}{O_4}\) spinel before and after annealing at different temperatures and quenching. The appearance of 727 cm 1 mode in the samples annealed at 800oC or higher is believed to be due to the cation-disorder of spinel. |