DSpace at LLAS: Morphological Evolution Durin...

来源：百度文库编辑：神马文学网时间：2024/04/29 04:47:37

题名: Morphological Evolution During Synthesis of New AlPO4 Center dot H2O Crystal
作者: Chen WC
Liu DD
王育人
发布日期: 2-Jan-2006
辑/报告号: 2005,22(10):2704-2707
摘要:
A new crystal of aluminophosphate, AIPO(4)(.)H(2)O, is synthesized from two-batch aqueous solution under hydrothermal conditions. Three types of the crystal habits, i.e. the tetragonal double pyramid, the tetragonal prism and the plate-type tetragonal prism, are found from batch-A solution. Two types of the crystal habits, i.e. the hexagonal pyramid and the strip-type tetragonal prism, are found from batch-B solution. The change of crystal morphology is originated from the fluctuation of the synthesis conditions, such as the supersaturation, the temperature and the impurity content. It causes change of the step energies, the defect density and the step roughness, and further, change of the growth rates. Since the crystal morphology is sensitive to the mass transport mechanism, the crystal habits could be changed under the microgravity.
URI: http://hdl.handle.net/22156/1659
ISSN: 0256-307X
专题：期刊论文（NMLC)
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