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Ultrasonic study of the structural phase transitions in [N(CH3)4]2CuCl4

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Zeitschrift für Physik B Condensed Matter

Abstract

The temperature dependence of the six principal stiffness componentsc 11 toc 66 was measured on single-crystal samples by the pulse-echo overlap technique between 120 and 310 K. We tried to interpret the observed anomalies in terms of interactions between order parameter, soft phonons, amplitons and phasons. A new phase transition at 127 K is found.

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Authors and Affiliations

  1. Laboratories RCA Ltd, Badenerstrasse 569, CH-8048, Zürich, Switzerland

    W. Rehwald & A. Vonlanthen

Authors
  1. W. Rehwald
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  2. A. Vonlanthen
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Dedicated to Prof. Dr. H.E. Müser on the occasion of his 60th birthday

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Rehwald, W., Vonlanthen, A. Ultrasonic study of the structural phase transitions in [N(CH3)4]2CuCl4 . Z. Physik B - Condensed Matter 61, 25–28 (1985). https://doi.org/10.1007/BF01308938

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  • DOI: https://doi.org/10.1007/BF01308938

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