DIFFUSE-SCATTERING AND PHASON ELASTICITY IN THE ALPDMN ICOSAHEDRAL PHASE

被引:131
作者
DEBOISSIEU, M
BOUDARD, M
HENNION, B
BELLISSENT, R
KYCIA, S
GOLDMAN, A
JANOT, C
AUDIER, M
机构
[1] CENS,LAB LEON BRILLOUIN,F-91191 GIF SUR YVETTE,FRANCE
[2] IOWA STATE UNIV SCI & TECHNOL,US DOE,AMES LAB,AMES,IA 50011
[3] IOWA STATE UNIV SCI & TECHNOL,DEPT PHYS & ASTRON,AMES,IA 50011
[4] INST MAX VON LAUE PAUL LANGEVIN,F-38042 GRENOBLE 9,FRANCE
关键词
D O I
10.1103/PhysRevLett.75.89
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The diffuse scattering located close to Bragg reflections has been measured on a single grain of the AlPdMn icosahedral phase using elastic neutron scattering. This diffuse scattering is mainly due to phason disorder. The intensity distribution and anisotropic shape can be reproduced in the framework of the elastic theory of quasicrystals using only the two phason elastic constants whose ratio is found to be equal to -0.5. © 1995 The American Physical Society.
引用
收藏
页码:89 / 92
页数:4
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