Quasicrystal-crystal transformation in Zn-Mg-rare-earth alloys

被引：52

作者：

Abe, E ^{[1
]}

Tsai, AP ^{[1
]}

机构：

[1] Natl Res Inst Met, Tsukuba, Ibaraki 305, Japan

来源：

PHYSICAL REVIEW LETTERS | 1999年 / 83卷 / 04期

关键词：

D O I：

10.1103/PhysRevLett.83.753

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report a reversible phase transformation between the icosahedral Zn-Mg-rare-earth(RE) quasicrystal and the hexagonal crystal being not composed of any giant icosahedral atomic cluster. This clearly shows that the large atomic cluster is not an essential atomic configuration for quasicrystal formation. A structural unit of the Zn-Mg-RE icosahedral quasicrystal is suggested to be not an icosahedral atomic cluster such as the Mackay or Bergman type which have been successfully used for the structural description of the Al-based icosahedral quasicrystalline phases.

引用

页码：753 / 756

页数：4

共 24 条

[1] Hexagonal superstructures in the Zn-Mg-rare-earth alloys [J].