期刊
MICRON
卷 70, 期 -, 页码 21-25出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.micron.2014.12.002
关键词
TiB2 morphology; Shape control; Chamfered edges and corners; Growth geometric conditions; Element adsorption
类别
To reveal the effect of alloy element on the morphology of in situ TiB2 particles, a series of TiB2 particles with various morphology were obtained via controlling synthesis process. Si and Cu can affect the morphology transformation of TiB2 particles significantly. Si preferentially adsorbed on (1 0 (1) over bar 1), (1 1 (2) over bar 0) and (1 (2) over bar 1 (3) over bar) planes resulting in the polyhedron morphology of TiB2. Cu adsorbed on (1 0 (1) over bar 0) preferentially leading to the minimum aspect (the ratio of the diameter and thickness). (C) 2014 Elsevier Ltd. All rights reserved.
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