Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/66608
Title: Growth modes in vapour-phase prepared orthorhombic molybdenum trioxide crystals
Authors: Balakumar, S. 
Zeng, H.C. 
Keywords: Crystal morphology
Oxide crystals
Vapour phase growth
Issue Date: 1999
Source: Balakumar, S.,Zeng, H.C. (1999). Growth modes in vapour-phase prepared orthorhombic molybdenum trioxide crystals. Journal of Crystal Growth 197 (1-2) : 186-194. ScholarBank@NUS Repository.
Abstract: Vapour-phase growth of orthorhombic molybdenum trioxide has been carried out under various growth conditions. It is found that the Miller-index of c-axis-related crystal planes increases with rise in degree of vapour supersaturation in the order of {0 0 1} < {1 0 2} < {2 0 3} < {1 0 1} < {3 0 2} < {2 0 1} < {4 0 1}; some of these planes are observed for the first time. In high supersaturation growths, natural crystal planes associated to c-direction, change to convex curved growth fronts, whereas in low supersaturation cases, low Miller-index planes (left-hand side of the above order) persist. Formations of curvy steps and terraces on {0 1 0} planes are correlated to growth temperature and supersaturation. Growth mechanisms/oscillation are also addressed on the basis of the current findings. © 1999 Elsevier Science B. V. All rights reserved.
Source Title: Journal of Crystal Growth
URI: http://scholarbank.nus.edu.sg/handle/10635/66608
ISSN: 00220248
Appears in Collections:Staff Publications

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