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Byong-Guk Park: Novel spintronic phenomena based on spin-orbit torque

Wanneer:di 30-01-2018 11:00 - 12:00
Waar:5113.0202

Spin-orbit torque (SOT) arising from the spin-orbit coupling of non-magnetic heavy metal (HM)/ferromagnet (FM) structures has gained much attention because it allows for an efficient switching of perpendicular magnetization as well as high speed domain wall motion. In this talk, I will present three topics related the SOT: field-free SOT switching of perpendicular magnetization using antiferromagnet [1], complementary logic operations based on electric-field controlled SOT [2], and thermal generation of spin current or spin Nernst effect in heavy metal/ferromagnet bilayer structures [3].

[1] Y.-W. Oh, et al. Nature Nanotech 11, 878 (2016

[2] S.-C. Baek, et al. arXiv: 1711.11172 (2017)

[3] D.-J. Kim et al. Nature Commun 8, 1400 (2017)