High resolution transmission electron microscopy observation of thermally fluctuating phasons in decagonal Al-Cu-Co.
作者信息
Edagawa K, Suzuki K, Takeuchi S
机构信息
Institute of Industrial Science, The University of Tokyo, Roppongi, Minato-ku, Tokyo 106-8558, Japan.
出版信息
Phys Rev Lett. 2000 Aug 21;85(8):1674-7. doi: 10.1103/PhysRevLett.85.1674.
PMID:10970586
Abstract
In situ high-temperature, high resolution transmission electron microscopy (HRTEM) was performed on an Al-Cu-Co decagonal quasicrystal, to investigate thermal fluctuation of phasons. A tiling pattern constructed from the HRTEM image was analyzed in the framework of the strip-projection method. Transitions between two local tile arrangements were observed at high temperature for the first time, and were shown to correspond to a thermal phason fluctuation.
摘要
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