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Thermal expansion of fayalite, Fe2SiO4

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Abstract

Thermal expansion of single-crystal fayalite has been measured by a dilatometric method at temperatures between 25 °C and 850 °C. The results show the presence of anomalous expansion in the b axis, which is correlated to the anomalous variation of elastic moduli with temperature. Grüneisen's parameter is 1.10 and the thermal Debye temperature is 565 K, which is close to the acoustic Debye temperature of 511 K.

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Author notes

  1. Isao Suzuki

    Present address: Institute of Geophysics and Planetary Physics, University of California, 90024, Los Angeles, California, USA

Authors and Affiliations

  1. Department of Earth Sciences, Faculty of Science, Okayama University, 700, Okayama, Japan

    Isao Suzuki & Kiyoshi Seya

  2. Research Institute of Iron, Steel and Other Metals, Tohoku University, 980, Sendai, Japan

    Humihiko Takei

  3. Department of Earth Sciences, Faculty of Science, Nagoya University, 464, Nagoya, Japan

    Yoshio Sumino

Authors
  1. Isao Suzuki
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  2. Kiyoshi Seya
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  3. Humihiko Takei
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  4. Yoshio Sumino
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Suzuki, I., Seya, K., Takei, H. et al. Thermal expansion of fayalite, Fe2SiO4 . Phys Chem Minerals 7, 60–63 (1981). https://doi.org/10.1007/BF00309452

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  • DOI: https://doi.org/10.1007/BF00309452

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