イベント・セミナー・講演会

Antiferromagnetic Spintronics:Spintronics without magnetic fields

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日程
2023年6月7日(水)
時間
10:30-11:30
場所
大岡山キャンパス別窓 本館2階 290 物理学系輪講室
講師
Professor Mathias Kläui (Johannes Gutenberg-University Mainz, Germany / Centre for Quantum Spintronics, NTNU, Norway / IEEE Magnetics Society Distinguished Lecturer 2020/2021)
お問い合わせ先
連絡教員:物理学系 村上 修一(内線2747)

量子物理学・ナノサイエンス第366回セミナー

概要

While known for a long time, antiferromagnetically ordered systems have previously been considered, as “interesting but useless”. However, since antiferromagnets potentially promises faster operation, enhanced stability and higher integration densities, they could potentially become a game changer for new spintronic devices. Here I will show how antiferromagnets can be used as active spintronics devices by demonstrating the key operations of “reading” [1], “writing” [2], and “transporting information” [3] in antiferromagnets. Beyond typical bulk and thin film systems, recently also antiferromagnetic van der Waals materials have been discovered [4], which bode particularly well for manipulation by efficient interface effects.

            
  • [1] S. Bodnar et al., Nature Commun. 9, 348 (2018); L. Baldrati et al., Phys. Rev. Lett. 125, 077201 (2020)/li>
  • [2] L. Baldrati et al., Phys. Rev. Lett. 123, 177201 (2019); H. Meer et al., Nano Lett. 21, 114 (2020); S. P. Bommanaboyena et al., Nature Commun. 12, 6539 (2021);
  • [3] R. Lebrun et al., Nature 561, 222 (2018). R. Lebrun et al., Nature Commun. 11, 6332 (2020). S. Das et al., Nature Commun. 13, 6140 (2022).
  • [4] R. Wu et al., Phys. Rev. Appl. 17, 064038 (2022).
  • 東京工業大学理学院・物理学系 ナノサイエンスを拓く量子物理学拠点 共催

更新日:2023.05.25

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