The results of an x-ray diffraction study of two new modifications of aluminum oxide with tetragonal and hexagonal cells, synthesized by means of in an explosion of an octogen – aluminum hydride mixture (90/10 wt.%), are presented. The parameters of the tetragonal and hexagonal cells are, respectively, a = 7.932(6) Å, c = 9.142(5) Å, c/a = 1.153, V = 575 Å3 and a = 9.140(3) Å, c = 3.980(4) Å, c/a = 0.453, V = 288 A3. Matrices for transforming one set of cell parameters into the other are presented.
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A. N. Tsvigunov, V. G. Khotin, E. S. Kuznetsov, et al., “Explosive synthesis of a new modification of aluminum oxide from gibbsite,” Steklo Keram., No. 12, 16 – 20 (1998).
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Translated from Steklo i Keramika, No. 6, pp. 24 – 25, June, 2009.
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Tsvigunov, A.N., Zhukov, I.S., Kozak, G.D. et al. Shock synthesis of new aluminum oxide modifications using an octogen – aluminum hydride mixture. Glass Ceram 66, 219–220 (2009). https://doi.org/10.1007/s10717-009-9158-y
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DOI: https://doi.org/10.1007/s10717-009-9158-y