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Inelastic neutron scattering study of the dynamics of the AlNiCo decagonal phase

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Abstract:

The dynamics of the decagonal AlNiCo phase has been investigated on a single-grain quasicrystalline sample using inelastic neutron scattering. The decagonal structure can be viewed as a periodic stacking of quasiperiodic planes. The anisotropy between the modes propagating in the periodic and quasiperiodic directions is found to be much weaker than theoretically predicted. A strong resonance splitting is observed at an energy transfer of 15 meV for transverse modes polarized in the quasiperiodic plane.

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Authors and Affiliations

  1. Institut Laue Langevin, B.P. 156, 38042 Grenoble, France, , , , , , FR

    F. Dugain & R. Currat

  2. Laboratoire de Thermodynamique et Physico-Chimie Métallurgiques (CNRS - UMR 5614), INPG, UJF, B.P. 75, 38402 Saint Martin d'Hères, France, , , , , , FR

    M. de Boissieu

  3. Institute for Materials Research, Tohoku University, Sendai 980-77, Japan, , , , , , JP

    K. Shibata

  4. National Research Institute for Metals, Tsukuba 305, Japan, , , , , , JP

    T.J. Sato & A.P. Tsai

  5. Bell Laboratories, Lucent Technologies, Murray Hill, NJ 07974, USA, , , , , , US

    A.R. Kortan

  6. Institut für Physik, Technische Universität Chemnitz-Zwickau, 09107 Chemnitz, Germany, , , , , , DE

    J.-B. Suck

  7. Institut für Kristallographie, LMU München, 80333 München, Germany, , , , , , DE

    K. Hradil & F. Frey

Authors
  1. F. Dugain
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  2. M. de Boissieu
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  3. K. Shibata
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  4. R. Currat
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  5. T.J. Sato
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  6. A.R. Kortan
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  7. J.-B. Suck
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  8. K. Hradil
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  9. F. Frey
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  10. A.P. Tsai
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Additional information

Received: 18 November 1998 / Accepted: 27 November 1998

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Dugain, F., de Boissieu, M., Shibata, K. et al. Inelastic neutron scattering study of the dynamics of the AlNiCo decagonal phase. Eur. Phys. J. B 7, 513–516 (1999). https://doi.org/10.1007/s100510050640

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  • DOI: https://doi.org/10.1007/s100510050640

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