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New type of Al-based decagonal quasicrystal in Al60Cr20Fe10Si10 alloy
He, Zhanbing; Ma, Haikun; Li, Hua; Li, Xingzhong; Ma, Xiuliang; hezhanbing@ustb.edu.cn
2016
发表期刊SCIENTIFIC REPORTS
ISSN2045-2322
卷号6页码:-
摘要A new kind of decagonal quasicrystal (DQC) with a periodicity of 1.23 nm was observed in the as-cast quaternary Al60Cr20Fe10Si10 alloy. The intensity distribution of some spots in the selected-area electron diffraction pattern along the tenfold zone axis was found to be different from other Al-based DQCs. High-angle annular dark-field scanning transmission electron microscopy was adopted to reveal the structural features at an atomic level. Both the tenfold symmetry and symmetry-broken decagonal (D) clusters of 1.91 nm in diameter were found, but with structural characteristics different from the corresponding D clusters in the other Al-based DQCs. The neighboring D clusters are connected by sharing one edge rather than covering, suggesting the tiling model is better than the covering model for structural description.
部门归属[he, zhanbing ; ma, haikun ; li, hua] univ sci & technol beijing, state key lab adv met & mat, beijing 100083, peoples r china ; [li, xingzhong] univ nebraska, nebraska ctr mat & nanosci, lincoln, ne 68588 usa ; [ma, xiuliang] chinese acad sci, inst met res, shenyang natl lab mat sci, wenhua rd 72, shenyang 110016, peoples r china
资助者National Natural Science Foundation of China [51471024]; Self-determined Project of State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing [2014Z-03]; Fundamental Research Funds for the Central Universities, China
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/75023
专题中国科学院金属研究所
通讯作者hezhanbing@ustb.edu.cn
推荐引用方式
GB/T 7714
He, Zhanbing,Ma, Haikun,Li, Hua,et al. New type of Al-based decagonal quasicrystal in Al60Cr20Fe10Si10 alloy[J]. SCIENTIFIC REPORTS,2016,6:-.
APA He, Zhanbing,Ma, Haikun,Li, Hua,Li, Xingzhong,Ma, Xiuliang,&hezhanbing@ustb.edu.cn.(2016).New type of Al-based decagonal quasicrystal in Al60Cr20Fe10Si10 alloy.SCIENTIFIC REPORTS,6,-.
MLA He, Zhanbing,et al."New type of Al-based decagonal quasicrystal in Al60Cr20Fe10Si10 alloy".SCIENTIFIC REPORTS 6(2016):-.
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