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Title: Pseudo-dendritic growth in lead molybdate single crystal by Czochralski technique
Authors: Zeng, H.C. 
Chong, T.C. 
Lim, L.C. 
Kumagai, H.
Hirano, M.
Issue Date: Jun-1994
Citation: Zeng, H.C.,Chong, T.C.,Lim, L.C.,Kumagai, H.,Hirano, M. (1994-06). Pseudo-dendritic growth in lead molybdate single crystal by Czochralski technique. Journal of Crystal Growth 140 (1-2) : 148-156. ScholarBank@NUS Repository.
Abstract: A pseudo-dendritic crystal growth of lead molybdate (PbMoO4) has been studied with the Czochralski technique. The observed dendritic growth is iso-directional, projecting from the circumference of the growth front, where the content of impurities, melt stoichiometry and temperature are expected to be varied. The dendrite arm length and inter-dendrite angle are closely correlated. It is found that the grown dendrite arms are bounded only by ten low-index crystallographic planes (001), (001), (101), (101), (101), (101), (011), (011), (011), and (011). Based on this work, a facet transition pattern existing among the dendritic arms has been revealed. Further analysis for crystal grains in as-grown PbMoO4 single crystals indicates that a similar dendritic growth can also occur under conventional growth conditions. It is further suggested that the constitutional supercooling is a major factor causing the dendritic growth in PbMoO4 single crystals. © 1994.
Source Title: Journal of Crystal Growth
ISSN: 00220248
Appears in Collections:Staff Publications

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