The results of X-ray diffraction studies of two new modifications of aluminum oxide with tetragonal and hexagonal cells, synthesized by the explosion of a mixture of otktogen - aluminum hydride (90/10% by weight) are presented. Tetragonal cell parameters: a = 7.932 (6) & Aring ;, c = 9.142 (5) & Aring ;, c / a = 1.153, V = 575 & Aring; 3 ; hexagonal: a = 9.140 (3) & Aring ;, c = 3.980 (4) & Aring ;, c / a = 0.435, V = 288 & Aring; 3 . Conversion matrices of cell parameters are given. Tab. 1, bibliography: 3 titles.
Tsvigunov AN, Khotin VG, Kuznetsov ES et al. Detonation synthesis by explosion of a new modification of aluminum oxide from gibbsite // Glass and ceramics. - 1998. - N 12. - P. 16 - 20.
Tsvigunov A. N., Apolenis A. V., Annikov V. E., Raikova V. M. Synthesis of iron aluminates and a new modification of aluminum oxide under the impact of explosives / / Glass and ceramics. - 2007.-N12.-С.15-22.
Apolenis AV, Tsvigunov AN, Annikov VE, Raikova VM Synthesis of Iron Aluminates and New Modification of Alumina at Impact of Explosive // ??Central Eur. J. Energet. Mat. (CEJEM). - 2008. - V. 5.-N3-4.-P.37-44.
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