Dmitry V. Smovzh, Nikolay A. Kalyuzhnyi, Alexey V. Zaikovsky, Sergey A. Novopashin

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Kutateladze Institute of Thermophysics of Siberian Branch of Russian Academy of Sciences, Novosibirsk, Russia.
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Abstract: The formation of hollow nanoparticles of alumina was detected when nanostructured carbon–aluminum material, synthesized by composite electrode sputtering in an electric arc, was annealed in oxygen. The synthesized material was characterized by the methods of transmission electron microscopy, thermogravimetry, and roentgen-phase analysis. It is shown that the alumina is the γ-phase; the typical size of particles is 6 - 12 nm and they have a wall thickness of 2 - 3 nm. The mechanism of formation of the hollow nanoparticles of alumina is suggested.

Keywords: Hollow Nanoparticles; Аlumina; Arc Discharge

Cite this paper: Smovzh, D. , Kalyuzhnyi, N. , Zaikovsky, A. and Novopashin, S. (2013) Synthesis of Hollow Nanoparticles γ-Al₂O₃. Advances in Nanoparticles, 2, 120-124. doi: 10.4236/anp.2013.22020.

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