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Size effect on the lattice parameter of KCl during mechanical milling

Sharma, Prithu and Biswas, Krishanu and Mondal, Amit Kumar and Chattopadhyay, Kamanio (2009) Size effect on the lattice parameter of KCl during mechanical milling. In: Scripta Materialia, 61 (6). pp. 600-603.

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Abstract

The size effect on the lattice parameter of ionic KCl nanocrystals was studied systematically during mechanical milling of Pure KCl powder under vacuum. The results suggest anomalous lattice expansion, with the lattice parameter increasing from 6.278 angstrom at d = 6 mu m to 6.30307 angstrom at d = 85 mn. The defects generated during ball milling of KCl and surface stress are deemed to be responsible for this lattice parameter expansion. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Elsevier Ltd
Keywords: Lattice parameter; KCl; Mechanical milling; Madelung energy
Department/Centre: Division of Mechanical Sciences > Materials Engineering (formerly Metallurgy)
Date Deposited: 23 Dec 2009 08:57
Last Modified: 19 Sep 2010 05:41
URI: http://eprints.iisc.ernet.in/id/eprint/22255

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