NEW TYPE OF DECAGONAL QUASI-CRYSTAL WITH SUPERLATTICE ORDER IN AL-NI-CO ALLOY

被引：107

作者：

EDAGAWA, K

ICHIHARA, M

SUZUKI, K

TAKEUCHI, S

机构：

[1] Institute for Solid State Physics, The University of Tokyo, Tokyo, 106, Roppongi

来源：

PHILOSOPHICAL MAGAZINE LETTERS | 1992年 / 66卷 / 01期

关键词：

D O I：

10.1080/09500839208206008

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A new type of decagonal phase having superlattice order has been found in an Al70Ni15Co15 alloy by means of the electron diffraction technique. Most of the grains in the Al70Ni15Co15 sample heat treated at 600-degrees-C for 216 h exhibit superlattice order. In contrast, superlattice order has not been seen for the Al65Cu20Co15 decagonal phase. The relation between the structures with and without superlattice order is discussed using a four-dimensional description of the decagonal quasicrystalline structure.

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页码：19 / 25

页数：7

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