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Incommensurate Structures in the Long-Period Ordered Alloys Studied by High-Resolution Electron Microscopy

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Modulated Structure Materials

Part of the book series: Nato ASI Series ((NSSE,volume 83))

Abstract

The Au-Zn and Au-Mg alloys with the incommensurate two-dimensional antiphase structures, containing 16–19 at.% Zn and 16–22 at.% Mg respectively, were investigated by high-resolution structure imaging method with the 1000 kV electron microscopy, and it was revealed that the actual domain configurations change delicately with the incommensurate periods along the two directions. “Domain-like” atomic arrangement was observed in the Au-Zn alloys: two types of “domains” with commensurate structures of the same unit cell size, 6a; x 5c, are arranged in such a characteristic way that the incommensurate periods are produced in the [100] and [001] directions. In the Au-Mg alloys, however, the “domain-like” structures were not observed.

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Authors and Affiliations

  1. Department of Physics, Faculty of Science, Tohoku University, Sendai, 980, Japan

    D. Watanabe & O. Terasaki

Authors
  1. D. Watanabe
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  2. O. Terasaki
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Editor information

Editors and Affiliations

  1. Department of Mechanics and Materials Science, Rutgers University, Piscataway, NJ, 08854, USA

    T. Tsakalakos

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© 1984 Martinus Nijhoff Publishers, Dordrecht

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Watanabe, D., Terasaki, O. (1984). Incommensurate Structures in the Long-Period Ordered Alloys Studied by High-Resolution Electron Microscopy. In: Tsakalakos, T. (eds) Modulated Structure Materials. Nato ASI Series, vol 83. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-6195-1_14

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  • DOI: https://doi.org/10.1007/978-94-009-6195-1_14

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-009-6197-5

  • Online ISBN: 978-94-009-6195-1

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