研究概要

研究主分野

• 数物系科学

研究関連分野

• 総合理工
• 応用物性
• 応用物性 I
• 無機材料・物性

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. 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, in print.
• 2. 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)
• 3. *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)
• 4. *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)
• 5. *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)
• 6. *Ali, M.N., Xiong, J., Flynn, S., Tao, J., Gibson, Q.D., Schoop, L.M., Liang, T., Haldolaarachchige, N., Max Hirschberger, M., Ong, N.P., Cava, R.J.:
  "Large, non-saturating magnetoresistance in WTe2"
  Nature 514, 205 (2014)
• 7. *Yu, F., Hirschberger, M., Loew, T., Li, G., Lawson, B.J., Asaba, T., Kemper, J.B., Liang, T., Porras, J., Boebinger, G.S., Singleton, J., Keimer, B., Li, L., and Ong, N.P.:
  "Magnetic phase diagram of underdoped YBa2Cu3Oy inferred from torque magnetization and thermal conductivity"
  Proceedings of the National Academy of Sciences 113, 12667-12672 (2016)
• 8. *Xiong, J., Kushwaha, S.K., Liang, T., Krizan, J.W., Hirschberger, M., Wang, W., Cava, R.J., and Ong, N.P.:
  "Evidence for the chiral anomaly in the Dirac semimetal Na3Bi"
  Science 350, 413-416 (2015)
• 9. *Wang, Z., Vergniory, M.G., Kushwaha, S., Hirschberger, M., Chulkov, E.V., Ernst, A., Ong, N.P., Cava, R.J., Bernevig, B.A.:
  "Time-reversal-breaking Weyl fermions in magnetic Heusler alloys"
  Physical Review Letters 117, 236401 (2016)
• 10. *Gibson, Q.D., Schoop, L.M., Muechler, L., Xie, L.S., Hirschberger, M., Ong, N.P., Car, R., and Cava, R.J.:
  "Three-dimensional Dirac semimetals: Design principles and predictions of new materials"
  Physical Review B 91, 205128 (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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