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Article

A Crystallographic Study on the Growth of Partially Faceted MnSn2 Phase during Solidification Process

1
Key Laboratory of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University, Shenyang 110819, China
2
School of Materials Science and Engineering, Northeastern University, Shenyang 110819, China
3
CNRS, Arts et Métiers ParisTech, LEM3, Université de Lorraine, F-57000 Metz, France
4
Laboratory of Excellence on Design of Alloy Metals for low-mAss Structures (DAMAS), Université de Lorraine, 57073 Metz, France
*
Author to whom correspondence should be addressed.
Crystals 2018, 8(10), 380; https://doi.org/10.3390/cryst8100380
Received: 11 September 2018 / Revised: 25 September 2018 / Accepted: 27 September 2018 / Published: 29 September 2018
(This article belongs to the Section Crystalline Materials)
The growth of MnSn2 phase during the solidification process of Sn-Mn alloy was crystallographically investigated. The results show that the non-faced spherical caps of the MnSn2 crystals follow the continuous growth mechanism to grow rapidly along the <001> direction, while the side surfaces the two-dimensional nucleation mechanism to form the low index {100} and {110} facets. An interface structure analysis indicates that the atom planes within the {100} interplanar spacing period (IPSP) has a lower average reticular density than those within the {011} IPSP. This leads to the faster growth rates and thus the shortening and disappearance of the {100} side facets. As a consequence, the partially faceted (i.e., non-faceted spherical caps and faceted side surfaces) MnSn2 crystals follow an octagonal-base/spherical-cap geometric model (few crystals possess square bases) in three dimensions. View Full-Text
Keywords: MnSn2 phase; solidification; crystal growth; crystallography MnSn2 phase; solidification; crystal growth; crystallography
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MDPI and ACS Style

Li, L.; Bi, Y.; Ban, C.; Zhang, H.; Liu, T.; Wang, X.; Esling, C.; Cui, J. A Crystallographic Study on the Growth of Partially Faceted MnSn2 Phase during Solidification Process. Crystals 2018, 8, 380. https://doi.org/10.3390/cryst8100380

AMA Style

Li L, Bi Y, Ban C, Zhang H, Liu T, Wang X, Esling C, Cui J. A Crystallographic Study on the Growth of Partially Faceted MnSn2 Phase during Solidification Process. Crystals. 2018; 8(10):380. https://doi.org/10.3390/cryst8100380

Chicago/Turabian Style

Li, Lei; Bi, Yuantong; Ban, Chunyan; Zhang, Haitao; Liu, Tie; Wang, Xiangjie; Esling, Claude; Cui, Jianzhong. 2018. "A Crystallographic Study on the Growth of Partially Faceted MnSn2 Phase during Solidification Process" Crystals 8, no. 10: 380. https://doi.org/10.3390/cryst8100380

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