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  1. Article

    Open Access

    Superionic effect and anisotropic texture in Earth’s inner core driven by geomagnetic field

    Seismological observations suggest that Earth’s inner core (IC) is heterogeneous and anisotropic. Increasing seismological observations make the understanding of the mineralogy and mechanism for the complex IC...

    Shichuan Sun, Yu He, Junyi Yang, Yufeng Lin, **feng Li… in Nature Communications (2023)

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  2. No Access

    Article

    Superionic iron alloys and their seismic velocities in Earth’s inner core

    Earth’s inner core (IC) is less dense than pure iron, indicating the existence of light elements within it1. Silicon, sulfur, carbon, oxygen and hydrogen have been suggested to be the candidates2,3, and the prope...

    Yu He, Shichuan Sun, Duck Young Kim, Bo Gyu Jang, He** Li, Ho-kwang Mao in Nature (2022)

  3. No Access

    Article

    Superionic iron oxide–hydroxide in Earth’s deep mantle

    Water ice becomes a superionic phase under the high pressure and temperature conditions of deep planetary interiors of ice planets such as Neptune and Uranus, which affects interior structures and generates ma...

    Mingqiang Hou, Yu He, Bo Gyu Jang, Shichuan Sun, Yukai Zhuang… in Nature Geoscience (2021)

  4. No Access

    Article

    First-principles investigations on the formation of H2O defects in lizardite with influence on the elastic property

    Dehydration of hydrous minerals is the key for understanding the partial melting and earthquakes taking place at subduction zones. It has been reported that a large amount of H2O defects (HD) can be formed during...

    Shichuan Sun, Yu He in Physics and Chemistry of Minerals (2019)