Quasi-unit-cell model for an Al-Ni-Co ideal quasicrystal based on clusters with broken tenfold symmetry

被引：98

作者：

Abe, E

Saitoh, K

Takakura, H

Tsai, AP

Steinhardt, PJ

Jeong, HC

机构：

[1] Natl Res Inst Met, Tsukuba, Ibaraki 3050047, Japan

[2] Tohoku Univ, Res Inst Sci Measurements, Sendai, Miyagi 9808577, Japan

[3] Princeton Univ, Dept Phys, Princeton, NJ 08544 USA

[4] Sejong Univ, Dept Phys, Seoul 143747, South Korea

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 84卷 / 20期

关键词：

D O I：

10.1103/PhysRevLett.84.4609

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We present new evidence supporting the quasi-unit-cell description of the Al72Ni20Co8 decagonal quasicrystal which shows that the solid is composed of repeating, overlapping decagonal cluster columns with broken tenfold symmetry. We propose an atomic model which gives a significantly improved fit to electron microscopy experiments compared to a previous proposal by us and to alternative proposals with tenfold symmetric clusters.

引用

页码：4609 / 4612

页数：4

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