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反強磁性ナノ構造におけるスピントルクと電圧生成

Spin torques and electrical voltage generation in antiferromagnetic nanotextures

山根 結太*; 家田 淳一

Yamane, Yuta*; Ieda, Junichi

We overview the recent theoretical development on spin-transfer torque in antiferromagnetic nanostructures and related subjects. As antiferromagnetic materials are generating more attention lately due to their potential to play pivotal roles in spintronics applications, demands are rising for reliable methods to control and detect antiferromagnetic textures and their dynamics. While antiferromagnets are largely insensitive to external magnetic fields in general, electrical means are proving to be capable of offering promising ways to access the antiferromagnetic dynamics. We discuss in this article the possibility of manipulation and observation of dynamical antiferromagnetic textures by electrical current and voltage.

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