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Ag-substituted Al-Cu-Fe icosahedral phases
Manaila, R; Macovei, D; Jianu, A; Popescu, R; Nicula, R; Zavaliche, F; Devenyi, A; Xie, Y; Hu, T; Xie YN(谢亚宁); Hu TD(胡天斗)
1996
发表期刊PHYSICA STATUS SOLIDI B-BASIC RESEARCH
卷号193期号:2页码:#REF!
通讯作者Manaila, R (reprint author), INST PHYS & TECHNOL MAT,POB MG7,R-76900 BUCHAREST,ROMANIA.
摘要The gradual substitution of Cu by Ag in the Al62Cu25.5-xAgxFe12.5 icosahedral phase (x less than or equal to 10) is investigated by X-ray diffraction from the viewpoint of the induced structural changes. The phonon and random phason disorders, estimated from diffraction linewidths, increase with x, the latter showing, however, an induction range of Ag concentrations. EXAFS results at the CuK and FeK edges show. for low Ag contents, and enhanced disorder in the first coordination sphere, partly relaxed for higher x values. The 6D hypercubic lattice parameter is found to be independent of the Ag content, despite the large diameter of monovalent Ag. The latter facts suggest a d-sp hybridization of the Ag bonds to the surrounding Al, taking place above a certain x value.
文章类型Article
学科领域Physics
DOI10.1002/pssb.2221930202
收录类别SCI
WOS类目Physics, Condensed Matter
WOS记录号WOS:A1996TX34300001
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/227401
专题多学科研究中心
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GB/T 7714
Manaila, R,Macovei, D,Jianu, A,et al. Ag-substituted Al-Cu-Fe icosahedral phases[J]. PHYSICA STATUS SOLIDI B-BASIC RESEARCH,1996,193(2):#REF!.
APA Manaila, R.,Macovei, D.,Jianu, A.,Popescu, R.,Nicula, R.,...&胡天斗.(1996).Ag-substituted Al-Cu-Fe icosahedral phases.PHYSICA STATUS SOLIDI B-BASIC RESEARCH,193(2),#REF!.
MLA Manaila, R,et al."Ag-substituted Al-Cu-Fe icosahedral phases".PHYSICA STATUS SOLIDI B-BASIC RESEARCH 193.2(1996):#REF!.
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