Features of Structural Phase Transitions of Aluminum Hydroxides under Laser Processing |
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| Authors: | E Yu Tarasova S I Kuznetsov A S Panin I A Bakulin |
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| Institution: | 1.Samara Branch of the Lebedev Physical Institute,Russian Academy of Sciences,Samara,Russia |
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| Abstract: | The results of the studies of laser processing of alkoxide aluminum hydroxides with micrometer and nanometer particle sizes are presented. It is shown that the pseudo-boehmite processing process and phase composition of formed oxides are controlled by particle packing, laser radiation propagation in powder, and specific energy deposition. The main phases formed upon laser heating are γ, α-Al2O3; the content of δ, θ-Al2O3 is low. The minimum corundum crystallite size is ～50 nm. |
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