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Approximants of Al-Cr-Fe-Si decagonal quasicrystals described by single structural block
He, Zhanbing; Wei, Dongxia; Shen, Xi; Chen, Yuan; Ma, Haikun; Wang, Leilei; Du, Kui; Yao, Yuan; Yu, Richeng; hezhanbing@ustb.edu.cn
2015
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume647Pages:797-801
AbstractThe orthorhombic (3/2, 2/1) approximant with a = 3.06 nm, b = 1.23 nm, c = 2.24 nm, and the coexisting (2/1, 3/2) approximant of decagonal quasicrystals with a = 1.90 nm, c = 3.64 nm, and beta congruent to 90 degrees are found in Al-Cr-Fe-Si alloys by aberration-corrected transmission electron microscope. The structural relationships of these two approximants are analyzed and discussed based on the high-angle annular dark-field scanning transmission electron microscopy images at atomic resolution. We find that both of their structural tiling along the [010] direction can be described by one shield-like tile, with the superiority over the previous HBS tiling model due to the clarity. Combining the shield-like tile and HBS tiling model, the domains of approximants are clearly demonstrated. (C) 2015 Elsevier B.V. All rights reserved.
description.department[he, zhanbing ; wei, dongxia ; chen, yuan ; ma, haikun ; wang, leilei] univ sci & technol beijing, state key lab adv met & mat, beijing 100083, peoples r china ; [shen, xi ; yao, yuan ; yu, richeng] chinese acad sci, beijing natl lab condensed matter phys, inst phys, beijing 100190, peoples r china ; [du, kui] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, peoples r china
KeywordQuasicrystals Casting Scanning And Transmission Electron Microscopy Crystal Structure And Symmetry
Funding OrganizationNational 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
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74640
Collection中国科学院金属研究所
Corresponding Authorhezhanbing@ustb.edu.cn
Recommended Citation
GB/T 7714
He, Zhanbing,Wei, Dongxia,Shen, Xi,et al. Approximants of Al-Cr-Fe-Si decagonal quasicrystals described by single structural block[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2015,647:797-801.
APA He, Zhanbing.,Wei, Dongxia.,Shen, Xi.,Chen, Yuan.,Ma, Haikun.,...&hezhanbing@ustb.edu.cn.(2015).Approximants of Al-Cr-Fe-Si decagonal quasicrystals described by single structural block.JOURNAL OF ALLOYS AND COMPOUNDS,647,797-801.
MLA He, Zhanbing,et al."Approximants of Al-Cr-Fe-Si decagonal quasicrystals described by single structural block".JOURNAL OF ALLOYS AND COMPOUNDS 647(2015):797-801.
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