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Experimental determination of the electrical resistivity of iron at Earth’s core conditions

Author

Listed:
  • Kenji Ohta

    (Tokyo Institute of Technology, 2-12-1 Ookayama)

  • Yasuhiro Kuwayama

    (Geodynamics Research Center, Ehime University, 2-5 Bunkyo-cho)

  • Kei Hirose

    (Earth-Life Science Institute, Tokyo Institute of Technology, 2-12-1 Ookayama
    Laboratory of Ocean-Earth Life Evolution Research, Japan Agency for Marine-Earth Science and Technology, 2-15 Natsushima-cho)

  • Katsuya Shimizu

    (Center for Science and Technology under Extreme Conditions, Osaka University, 1-3 Machikaneyama)

  • Yasuo Ohishi

    (Japan Synchrotron Radiation Research Institute, 1-1-1 Koto)

Abstract

Using a laser-heated diamond-anvil cell to measure the electrical resistivity of iron under the high temperature and pressure conditions of the Earth’s core yields a value that means Earth’s core has high thermal conductivity, suggesting that its inner core is less than 0.7 billion years old, much younger than thought.

Suggested Citation

  • Kenji Ohta & Yasuhiro Kuwayama & Kei Hirose & Katsuya Shimizu & Yasuo Ohishi, 2016. "Experimental determination of the electrical resistivity of iron at Earth’s core conditions," Nature, Nature, vol. 534(7605), pages 95-98, June.
    • Handle: RePEc:nat:nature:v:534:y:2016:i:7605:d:10.1038_nature17957
    DOI: 10.1038/nature17957
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    Cited by:

    1. Wai-Ga D. Ho & Peng Zhang & Kristjan Haule & Jennifer M. Jackson & Vladimir Dobrosavljević & Vasilije V. Dobrosavljevic, 2024. "Quantum critical phase of FeO spans conditions of Earth’s lower mantle," Nature Communications, Nature, vol. 15(1), pages 1-8, December.

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