研究概要

研究主分野

• 数物系科学

研究関連分野

• 工学
• 化学
• 総合理工
• 磁性、超伝導および強相関系関連
• 電気電子材料工学関連
• 半導体、光物性および原子物理関連

キーワード

• トポロジカル半金属
• スキルミオン
• フラストレート磁性
• 熱ホール効果
• 熱電輸送現象

主要論文

「*」は、理研外のみでの成果です。

• 1. Yamada, R., Nomoto, T., Miyake, A., Terakawa, T., Kikkawa, A., Arita, R., Tokunaga, M., Taguchi, Y., Tokura, Y., and Hirschberger, M.:
  "Nernst Effect of High-Mobility Weyl Electrons in NdAlSi Enhanced by a Fermi Surface Nesting Instability"
  Physical Review X 14, 021012 (2024)
• 2. Akatsuka, S., Esser, S., Okumura, S., Yambe, R., Yamada, R., Hirschmann, M.M., Aji, S., White, J., Gao, S., Onuki, Y., Arima, T.-h., Nakajima, T., and Hirschberger, M.:
  "Non-coplanar helimagnetism in the layered van-der-Waals metal DyTe3"
  Nature Communications 15, 4291 (2024)
• 3. Kolincio, K.K., Hirschberger, M., Masell, J., Arima, T.-h., Nagaosa, N., and Tokura, Y.:
  "Kagome Lattice Promotes Chiral Spin Fluctuations"
  Physical Review Letters 130, 136701 (2023)
• 4. Hirschberger, M., Hayami, S., and Tokura, Y.:
  "Nanometric skyrmion lattice from anisotropic exchange interactions in a centrosymmetric host"
  New Journal of Physics 23, 023039 (2021)
• 5. Hirschberger, M., Spitz, L., Nomoto, T., Kurumaji, T., Gao, S., Masell, J., Nakajima, T., Kikkawa, A., Yamasaki, Y., Sagayama, H., Nakao, H., Taguchi, Y., Arita, R., Arima, T.-h., and Tokura, Y.:
  "Topological Nernst Effect of the Two-Dimensional Skyrmion Lattice"
  Physical Review Letters 125, 076602 (2020)
• 6. Hirschberger, M., Nakajima, T., Gao, S., Peng, L., Kikkawa, A., Kurumaji, T., Kriener, M., Yamasaki, Y., Sagayama, H., Nakao, H., Ohishi, K., Kakurai, K., Taguchi, Y., Yu, X., Arima, T.-h., and Tokura, Y.:
  "Skyrmion phase and competing magnetic orders on a breathing kagome lattice"
  Nature Communications 10, 5831 (2019)
• 7. Kurumaji, T., Nakajima, T., Hirschberger, M., Kikkawa, A., Yamasaki, Y., Sagayama, H., Nakao, H., Taguchi, Y., Arima, T.-h., and Tokura, Y.:
  "Skyrmion lattice with a giant topological Hall effect in a frustrated triangular-lattice magnet"
  Science 365, 914-918 (2019)
• 8. *Hirschberger, M., Kushwaha, S., Wang, Z., Gibson, Q., Liang, S., Belvin, C.A., Bernevig, B.A., Cava, R.J., and Ong, N.P.:
  "The chiral anomaly and thermopower of Weyl fermions in the half-Heusler GdPtBi"
  Nature Materials 15, 1161 (2016)
• 9. *Hirschberger, M., Chisnell, R., Lee, Y.S., and Ong, N.P.:
  "Thermal Hall effect of spin excitations in a kagome magnet"
  Physical Review Letters 115, 106603 (2015)
• 10. *Hirschberger, M., Krizan, J.W., Cava, R.J., and Ong, N.P.:
  "Large thermal Hall conductivity of neutral spin excitations in a frustrated quantum magnet"
  Science 348, 106-109 (2015)

研究成果（プレスリリース）

• 

  2023年9月7日
  スキルミオンによるトポロジカル磁気光学効果の観測に成功

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