期刊
MATERIALS RESEARCH BULLETIN
卷 55, 期 -, 页码 1-7出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2014.03.033
关键词
Inorganic compounds; Multilayers; Surfaces; Atomic force microscopy; Crystal growth
资金
- National Natural Science Foundation of China [51202131, 51202135]
- Postdoctoral Science Foundation of China [2013M541907]
- Taishan Scholars Project of Shandong Province, China [ts20110828]
Nonstoichiometric cubic bismuth phosphate crystals were synthesized and grown by hydrothermal method. Under high alkalinity condition, three dimensional nuclei were generated and combined into cubic plates. The cubic bismuth phosphate crystals were combined by the corresponding cubic plates with various defects and rough surfaces. The cubic plates made (1 0 0) surface of the crystal cleavage face. Additionally, multilevel Kink-Terrace-Step structures on Kossel (1 0 0) surface were characterized through scanning electron microscopy and atomic force microscope techniques, respectively. It revealed that the lowest level Kink-Terrace-Step structure was in nano-scale, and the height of the elemental kinked [0 1 0] steps was about half of the unit cell. The elemental kinked [0 1 0] steps could bunch together and consequently constructed a higher level of Kink-Terrace-Step structures. As a result, multilevel Kink-Terrace-Step structures coexisted on the Kossel (1 0 0) surface of bismuth phosphate crystal, which were owing to the coexistence of multilevel growth units in crystal growth system. (C) 2014 Elsevier Ltd. All rights reserved.
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