Triple-axis neutron-scattering study of phason dynamics in Al-Mn-Pd quasicrystals

被引：25
|
作者：
Coddens, G
Lyonnard, S
Hennion, B
Calvayrac, Y
机构：
[1] CEA, CNRS, Leon Brillouin Lab, F-91191 Gif Sur Yvette, France
[2] CNRS, Ctr Etud Chim Met, F-94407 Vitry Sur Seine, France
来源：
PHYSICAL REVIEW B | 2000年 / 62卷 / 10期
关键词：
D O I：
10.1103/PhysRevB.62.6268
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We present an extensive triple-axis neutron-scattering study of phason hopping in a single-domain sample of a perfect icosahedral Al70.4Mn8.6Pd21.0 quasicrystal. The quasielastic intensities exhibit important anisotropies. They are compared with models at various levels of sophistication. This comparison strongly suggests the occurrence of simultaneous correlated jumps. The important correlations are directed along the threefold axes.
引用
收藏
页码：6268 / 6295
页数：28
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