Electrical Conductivities of Mantle Minerals : In-situ High-Pressure High-Temperature Complex Impedance Spectroscopy

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Electrical conductivities for olivine at 10 GPa, wadsleyite at 15 GPa and ringwoodite at 20 GPa, all with San Carlos (Mg<SUB>0. 9</SUB>Fe<SUB>0. 1</SUB>) <SUB>2</SUB>SiO<SUB>4</SUB> olivine starting composition were determined by complex impedance spectroscopy in a multianvil apparatus. Results for olivine are in good agreement with previous studies, both at elevated pressure and ambient pressure, suggesting that its conductivity is only weakly dependent on pressure. Conductivities for wadsleyite and ringwoodite are significantly higher than olivine (about 2 orders of magnitude), but with slightly lower activation energies. These differences can be attributed to the likely presence of ferric iron in the wadsleyite and ringwoodite.

収録刊行物

  • 高圧力の科学と技術 = The Review of high pressure science and technology

    高圧力の科学と技術 = The Review of high pressure science and technology 7, 22-24, 1998

    The Japan Society of High Pressure Science and Technology

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各種コード

  • NII論文ID(NAID)
    10002688594
  • NII書誌ID(NCID)
    AN10452913
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    0917639X
  • NDL 記事登録ID
    4493827
  • NDL 雑誌分類
    ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z17-1589
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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