Temperature derivatives of elastic moduli of (Mg0.91 Fe0.09)2SiO4 modified spinel

Tomoo Katsura, Norihito Mayama, Kousuke Shouno, Motoko Sakai, Akira Yoneda, Isao Suzuki

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

The adiabatic bulk and shear moduli, and their temperature derivatives, of polycrystalline modified spinel of composition (Mg0.91 Fe0.09)2SiO4 were determined by means of the resonance sphere technique at ambient pressure. The adiabatic bulk and shear moduli, respectively, are 165.70 and 106.25 GPa at 300 K. The temperature derivatives of the adiabatic bulk and shear moduli, respectively, are -0.016(3) and -0.012(1) GPa/K at temperatures between 278 and 318 K, which do not agree with those of Li et al. [Science 281 (1998) 675].

Original languageEnglish
Pages (from-to)163-166
Number of pages4
JournalPhysics of the Earth and Planetary Interiors
Volume124
Issue number3-4
DOIs
Publication statusPublished - Jan 1 2001

Keywords

  • Adiabatic bulk modulus
  • Modified spinel
  • Shear modulus
  • Temperature derivatives

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Geophysics
  • Physics and Astronomy (miscellaneous)
  • Space and Planetary Science

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