Invited Talks since 2024

Surface Plasmon Polaritons

  1. Spin-photonics A. Y. Lee, H. Koizumi, E. Mödl, D. Oue, M. Matsuo and A. Hirohata,
    "Spin-polarised surface plasmon polaritons generated at an oxide/metal interface,"
    International Symposium on Advanced Magnetic Materials and Applications (ISAMMA 2026) (01/07/2026, Busan, Korea).

Magnetic Skyrmions

  1. Magnetoresistance H. Koizumi, R. Ishikawa, W. Zeng, H. Ma, Y. Suzuki, S. Miki, S. Mizukami, K. Yamada, Y. Nakatani and A. Hirohata,
    "Neuromorphic Operaation and Skyrmions,"
    Materials and Physics @ Ultimate Scale (Mat-Pulse 2026) (08/04/2025, Pont-à-Mousson, France).
  2. Magnetoresistance H. Koizumi, R. Ishikawa, W. Zeng, H. Ma, S. Miki, S. Mizukami, Y. Suzuki and A. Hirohata,
    "Skyrmion motion under the interfacial improvement by a pulsed current,"
    Future Asia Spintronics and Magnetic Recording Technologies conference (FAST 2026) (04/02/2026, Phuket, Thailand).
  3. Magnetoresistance H. Koizumi, R. Ishikawa, W. Zeng, H. Ma, S. Miki, S. Mizukami, Y. Suzuki and A. Hirohata,
    "Skyrmion motion under the interfacial improvement by a pulsed current,"
    Symposium on Magnetism and Spintronics (SMS-3) (24/01/2026, Hyderabad, India).
  4. Magnetoresistance H. Koizumi, R. Ishikawa, W. Zeng, H. Ma, S. Miki, S. Mizukami, Y. Suzuki and A. Hirohata,
    "Skyrmion motion under the interfacial improvement by a pulsed current,"
    Second Northeastern University Cross-College Magnetics Center Workshop (24/10/2025, Boston, MA, USA).
  5. Magnetoresistance H. Koizumi, R. Ishikawa, W. Zeng, H. Ma, S. Miki, S. Mizukami, Y. Suzuki and A. Hirohata,
    "Skyrmion motion under the interfacial improvement by a pulsed current,"
    Nanomaterials: Applications and Properties (NAP) 2025 (10/09/2025, Bratislava, Slovakia).

Spintronics

  1. Spin-photonicsSpin-currentsMagnetoresistanceHalf-metalsDomain structures A. Hirohata,
    "Introduction to JST Aspire "SpinMaD" Project,"
    ASPIRE Annual Meeting and Kick-off Meeting in Materials Area” (12/05/2026, Tokyo, Japan).
  2. Spin-photonicsSpin-currentsMagnetoresistanceHalf-metalsDomain structures A. Hirohata,
    "Introduction to JST Aspire "SpinMaD" Project,"
    ASPIRE Annual Meeting and Kick-off Meeting in Materials Area” (19/03/2025, Tokyo, Japan).
  3. Spin-photonicsSpin-currentsMagnetoresistanceHalf-metalsDomain structures A. Hirohata,
    "Research Activities in Tohoku University,"
    JST Aspire project kick-off meeting on “Research network on spintronic materials and devices for the sustainable society (SpinMaD)” (25/02/2025, Sendai, Japan).
  4. MagnetoresistanceHalf-metalsMiscellaneous A. Hirohata,
    "Research activities in Tohoku University,"
    JST Aspire project kick-off meeting on “Research network on spintronic materials and devices for the sustainable society (SpinMaD)” (25/02/2025, Sendai, Japan).
  5. MagnetoresistanceHalf-metalsMiscellaneous A. Hirohata,
    "Spintronics research in Tohoku University,"
    Workshop Materials for Quantum Electronics (Mat4QE) (29/02/2024, Manchester, England).

Heusler alloys

  1. Half-metals A. Hirohata, E. Pandey, S. Yamashita, H. Koizumi, A. Y. Lee and M. Yaqoob,
    "Heusler Alloys for Spintronic Devices,"
    1st International Conference on Materials Innovation and Technology (ICMIT 2026)” (12/06/2026, Hanoi, Vietnam).
  2. Half-metals A. Hirohata, H. Koizumi, S. Mizukami and M. Shirai,
    "Replacement and reduction of critical raw materials used in magnetic memories and storages,"
    Materials Research Society (MRS) Spring Meeting 2026” (30/04/2026, Honolulu, HI, USA).
  3. Half-metals A. Hirohata, E. Pandey, S. Yamashita, G. Fecher, H. Koizumi, E. Lesne and C. Felser,
    "Heusler Alloy Films for Spintronic Devices by Controlling Their Crystallisation Process,"
    International Magnetics Conference (Intermag 2026)” (14/04/2026, Manchester, UK).
  4. Half-metals E. Pandey, S. Yamashita, E. Lesne, G. Fecher, C. Felser and A. Hirohata,
    "Control of a compensation temperature in a ferrimagnetic Heusler alloy,"
    1st Symposium on JST Aspire project “Research network on spintronic materials and devices for the sustainable society (SpinMaD)” (28/11/2025, Dresden, Germany).
  5. Half-metals A. Hirohata,
    "Highly Spin-Poolarised Materials for Spintronics,"
    Summer School on Ferroic-Ordering and their Manipulation (11/09/2025, Nagoya, Japan).
  6. Half-metals A. Hirohata, H. Koizumi, S. Mizukami and M. Shirai,
    "Replacement of critical raw materials used in magnetic memories and storages,"
    Materials Research Society (MRS) Spring Meeting 2025 (10/04/2025, Seattle, WA, USA).
  7. Half-metals A. Hirohata, S. Mizukami and M. Shirai,
    "New ferromagnetic materials for spintronic devices predicted by machine learning,"
    5th International Symposium on Advanced Magnetic Materials and Applications (ISAMMA) (05/07/2024, Dong Hoi, Viet Nam).
  8. Half-metals A. Hirohata, S. Mizukami and M. Shirai,
    "New ferromagnetic materials for spintronic devices predicted by machine learning,"
    International Network on Spintronics - Applied Spintronic Phenomena 2024 (04/06/2024, Kaiserslautern, Germany).

Career Development

  1. Miscellaneous M. Yaqoob,
    "Research with the JST Aspire "SpinMaD" Project,"
    ASPIRE Annual Meeting and Kick-off Meeting in Materials Area” (12/05/2026, Tokyo, Japan).
  2. Miscellaneous A. Hirohata,
    "Career aspects and journal editors' perspective,"
    IEEE Magnetics Society Summer School 2024 (09/06/2024, Taipei, Taiwan).