Size effect on the lattice parameter of KCl during mechanical milling

Size effect on the lattice parameter of KCl during mechanical milling

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 Å at d = 6 μm to 6.30307 Å at d = 85 nm. The defe...

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Bibliographic Details
Published in:Scripta materialia Vol. 61; no. 6; pp. 600 - 603
Main Authors: Sharma, Prithu, Biswas, Krishanu, Mondal, Amit Kumar, Chattopadhyay, Kamanio
Format: Journal Article
Language:English
Published: Elsevier Ltd 01-09-2009
Subjects:
KCl
Lattice parameter
Madelung energy
Mechanical milling
Lattice parameter
Madelung energy
Mechanical milling
KCl
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Summary: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 Å at d = 6 μm to 6.30307 Å at d = 85 nm. The defects generated during ball milling of KCl and surface stress are deemed to be responsible for this lattice parameter expansion.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
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ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2009.05.033