Surface Decorations of Al-Cu-Fe and Al-Cu-Co Single Quasicrystals

被引：2

作者：

Surowiec, M. ^{[1
]}

Bogdanowicz, W. ^{[1
]}

Krawczyk, J. ^{[1
]}

Sozanska, M. ^{[2
]}

机构：

[1] Univ Silesia, Inst Mat Sci, PL-41500 Chorzow, Poland

[2] Silesian Tech Univ, Fac Mat Engn & Met, PL-40019 Katowice, Poland

来源：

ACTA PHYSICA POLONICA A | 2014年 / 126卷 / 02期

关键词：

GROWTH-MORPHOLOGY; MN-PD; ALLOY; MICROVOIDS; GRAINS;

D O I：

10.12693/APhysPolA.126.597

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We studied surface decorations of faceted icosahechal Al-Cu-Fe and decagonal Al-Cu-Co single quasicrystals by the scanning electron microscopy using primary and secondary electrons. Both types of single quasicrystals exhibited decorations on their facets, however the character of the decorations was totally different. Three kinds of decorations has been developed. On icosahech-al Al60Cu26Fe14 quasicrystals we found three kinds of decorations: cellular, cavity type and fractal-like. There was no evident difference in chemical composition between the inner dodecahedra and the decorations of all types. Surface decorations found on decagonal Al73.5Cu17.5Co9 quasicrystals formed a kind of irregular dench-itic stars on the separate bright islands.

引用

页码：597 / 598

页数：2

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