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High Resolution Transmission Electron Microscopy Observation of Thermally Fluctuating Phasons in Decagonal Al-Cu-Co

Keiichi Edagawa, Kunio Suzuki, and Shin Takeuchi
Phys. Rev. Lett. 85, 1674 – Published 21 August 2000
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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.

  • Received 13 March 2000

DOI:https://doi.org/10.1103/PhysRevLett.85.1674

©2000 American Physical Society

Authors & Affiliations

Keiichi Edagawa and Kunio Suzuki

  • Institute of Industrial Science, The University of Tokyo, Roppongi, Minato-ku, Tokyo 106-8558, Japan

Shin Takeuchi

  • Department of Materials Science and Engineering, Science University of Tokyo, Noda, Chiba 278-8510, Japan

See Also

Quasicrystal Caught in the Act

Phys. Rev. Focus 6, 6 (2000)

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Issue

Vol. 85, Iss. 8 — 21 August 2000

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