Synthesis and structural characterization of nanocrystalline aluminium oxide

Madhu Kumar, P. ; Borse, Pramod ; Rohatgi, V. K. ; Bhoraskar, S. V. ; Singh, Prabhat ; Sastry, Murali (1994) Synthesis and structural characterization of nanocrystalline aluminium oxide Materials Chemistry and Physics, 36 (3-4). pp. 354-358. ISSN 0254-0584

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Official URL: http://www.sciencedirect.com/science/article/pii/0...

Related URL: http://dx.doi.org/10.1016/0254-0584(94)90054-X

Abstract

Nanocrystalline alumina (Al2O3) powder has been synthesized by the d.c. arc plasma method at atmospheric conditions using aluminium electrodes. Structural characterization by X-ray diffraction and transmission electron microscopy confirmed the ultrafine nature of the particulates. Investigation of the size distribution revealed a long-normal behaviour of the nanoparticles. Chemical analysis of the particulates was carried out using X-ray photoemission spectroscopy. The Al 2p core level spectrum revealed the presence of unreacted Al0, in addition to Al3+, suggesting a core of Al0 surrounded by a layer of Al2O3 as the particle structure.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:47163
Deposited On:06 Jul 2011 14:03
Last Modified:06 Jul 2011 14:03

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