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    助教 長田 礎
    Motoki Osada
    mosada_@_tohoku.ac.jp
    (_を抜いてください)
    022-215-2089

























    • Education and Professional Career
      01/2022-present  Assistant Professor, Institute for Materials Research, Tohoku University

      2020-2022           Postdoctoral Scholar, Applied Physics, Stanford University

      2015-2022           Research Assistant, SLAC National Accelerator Laboratory

      2014-2020           Ph.D., Materials Science and Engineering, Stanford University

      2010-2014           B.Eng., Metallurgical Engineering, Tokyo Institute of Technology

  • Research interests
    Solid state physics, (photo)electrochemistry, nanotechnology, low-dimensional quantum materials

    • Recent research topics
      TBD

      • Publication list
        16. Orbital and spin character of doped carriers in infinite-layer nickelates
        M. Rossi, H. Lu, A. Nag, D. Li, M. Osada, K. Lee, B. Y. Wang, S. Agrestini, M. Garcia-Fernandez, Y.-D. Chuang, Z. X. Shen, H. Y. Hwang, B. Moritz, K.-J. Zhou, T. P. Devereaux, W. S. Lee
        Physical Review B 104, L220505 (2021).

        15. Insulator-to-Metal crossover near the edge of the superconducting dome in Nd
        1-xSrxNiO2
        Y.-T. Hsu, B. Y. Wang, M. Berben, D. Li, K. Lee, C. Duffy, T. Ottenbros, W. J. Kim, 
        M. Osada, S. Wiedmann, H. Y. Hwang, N. E. Hussey
        Physical Review Research 3, L042015 (2021).

        14. Nickelate superconductivity without rare-earth magnetism: (La,Sr)NiO
        2
        M. Osada, B. Y. Wang, B. H. Goodge, S. P. Harvey, K. Lee, D. Li, L. F. Kourkoutis, H. Y. Hwang
        Advanced Materials 33, 2104083 (2021).

        13. Magnetic excitations in infinite-layer nickelates
        H. Lu, M. Rossi, A. Nag,
        M. Osada, D. Li, K. Lee, B. Y. Wang, M. Garcia-Fernandez, S. Agrestini, Z. X. Shen, E. M. Been,,  B. Moritz, T. P. Devereaux, J. Zaanen, H. Y. Hwang, K.-J. Zhou, W. S. Lee
        Science 373, 213 (2021).

        12. Isotropic Pauli-limited superconductivity in the infinite-layer nickelate Nd
        0.775Sr0.225NiO2
        B. Y. Wang, D. Li, B. H. Goodge, K. Lee,
        M. Osada, S. P. Harvey, L. F. Kourkoutis, H. Y. Hwang
        Nature Physics 17, 473 (2021).

        11. Highly efficient surface charge transfer in Fe
        2TiO5 epitaxial thin film photoanodes
        M. Osada, K. Nishio, K. Lee, M. Colletta, B. H. Goodge, W. J. Kim, L. F. Kourkoutis, H. Y. Hwang, Y. Hikita
        ACS Applied Energy Materials 4, 2098 (2021).

        10. Doping evolution of the Mott–Hubbard landscape in infinite-layer nickelates
        B. H. Goodge, D. Li, K. Lee,
        M. Osada, B. Y. Wang, G. A. Sawatzky, H. Y. Hwang, L. F. Kourkoutis
        Proceedings of the National Academy of Sciences of the United States of America 118, e2007683118 (2021).

        9. Phase diagram of infinite layer praseodymium nickelate Pr
        1-xSrxNiO2 thin films
        M. Osada, B. Y. Wang, K. Lee, D. Li, H. Y. Hwang
        Physical Review Materials 4, 121801(R) (2020).

        8.Superconducting dome in Nd
        1-xSrxNiO2  infinite layer films
        D. Li, B. Y. Wang, K. Lee, S. P. Harvey,
        M. Osada, B. H. Goodge, L. F. Kourkoutis, H. Y. Hwang
        Physical Review Letters 125, 027001 (2020).

        7. A superconducting praseodymium nickelate with infinite layer structure
        M. Osada, B. Y. Wang, B. H. Goodge, K. Lee, H. Yoon, K. Sakuma, D. Li, M. Miura, L. F. Kourkoutis, H. Y. Hwang
        Nano Letters 20, 5735 (2020).

        6. Aspects of the synthesis of thin film superconducting infinite-layer nickelates
        K. Lee, B. H. Goodge, D. Li,
        M. Osada, B. Y. Wang, Y. Cui, L. F. Kourkoutis, H. Y. Hwang
        APL Materials 8, 041107 (2020).

        5. Electronic structure of the parent compound of superconducting infinite-layer nickelates
        M. Hepting, D. Li, C. J. Jia, H. Lu, E. Paris, Y. Tseng, X. Feng,
        M. Osada, E. Been, Y. Hikita, Y.-D. Chuang, Z. Hussain, K. J. Zhou, A. Nag, M. Garcia-Fernandez, M. Rossi, H. Y. Huang, D. J. Huang, Z. X. Shen, T. Schmitt, H. Y. Hwang, B. Moritz, J. Zaanen, T. P. Devereaux, W. S. Lee
        Nature Materials 19, 381 (2020).

        4. Superconductivity in an infinite-layer nickelate
        D. Li, K. Lee, B. Y. Wang,
        M. Osada, S. Crossley, H. R. Lee, Y. Cui, Y. Hikita, H. Y. Hwang
        Nature 572, 624 (2019).

        3. Oxygen evolution reaction activity in IrO
        x/SrIrO3 catalysts: Correlations between structural parameters and the catalytic activity
        K. Lee,
        M. Osada, H. Y. Hwang, Y. Hikita
        The Journal of Physical Chemistry Letters 10, 1516 (2019).

        2. Synthesis and electronic properties of Fe
        2TiO5 epitaxial thin films
        M. Osada, K. Nishio, H. Y. Hwang, Y. Hikita
        APL Materials 6, 056101 (2018).

        1. Log angles: Characteristic angles of crystal orientation given by the logarithm of rotation matrix
        K. Hayashi,
        M. Osada, Y. Kurosu, Y. Miyajima, S. Onaka
        Materials Transactions 57, 507 (2016).

        • 研究室志望の学生さんに一言
             物理と化学を組み合わせることで未知の現象に出会えるのが物質科学の楽しさです。
             一緒に世界を驚かせる研究をしましょう!