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Secondary ionic forces in lead molybdate melt solidification

Published online by Cambridge University Press:  31 January 2011

H. C. Zeng and
L. C. Lim
H. C. Zeng*
Affiliation:
Department of Chemical Engineering, Faculty of Engineering, National University of Singapore, 10 Kent Ridge Crescent, Singapore 119260
L. C. Lim
Affiliation:
Department of Mechanical and Production Engineering, Faculty of Engineering and Institute of Materials Research and Engineering, National University of Singapore, 10 Kent Ridge Crescent, Singapore 119260
*
a)Address correspondence to this author.
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Abstract

We report a dendritic crystallization of ionic melt of lead molybdate (PbMoO4) under a concentric thermal field. The solidified melt is a PbMoO4 single crystal with [001] axis normal to surface. The dendrite arms propagate and branch along 〈310〉 and 〈130〉, forming a well-organized surface structure. It is evident that the interaction between a cation to its second-nearest anions determines the dendrite development and meltsolidification.

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Type
Articles
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Journal of Materials Research , Volume 13 , Issue 6 , June 1998, pp. 1426 - 1429
Copyright
Copyright © Materials Research Society 1998

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