LOCALIZED VIBRATIONS FROM CLUSTERS IN QUASI-CRYSTALS

被引:29
作者
JANOT, C [1 ]
MAGERL, A [1 ]
FRICK, B [1 ]
DEBOISSIEU, M [1 ]
机构
[1] ECOLE NATL SUPER ELECTR & ELECTROMECAN GRENOBLE,THERMODYNAM & PHYSICOCHIM MET LAB,F-38402 ST MARTIN DHERES,FRANCE
关键词
D O I
10.1103/PhysRevLett.71.871
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Information on the temperature dependence of the atomic correlation functions in quasicrystals has been obtained from Mossbauer and high resolution neutron spectroscopies. A pronounced nonlinear decrease is observed at high temperature for the purely elastic contribution. This indicates localized vibrational states within a length scale of about 10 angstrom.
引用
收藏
页码:871 / 874
页数:4
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