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cond-mat.mes-hall2013
Reflection and refraction process of spinwave in a ferromagnet/frustrated ferromagnet junction system
Yuta Sasaki, Hiroaki T. Ueda
Frustration introduces a nontrivial dispersion relation of spinwave even in a ferromagnetic phase in a spin system. We study the reflection and refraction process of spinwaves in t…
cond-mat.mes-hall2012★ 8 cited
Active electromagnetic metamaterial based on spin torque oscillators
Gen Tatara, Hiroaki T. Ueda, Katsuhisa Taguchi +3
We propose theoretically an active material for electromagnetic radiation with frequency of GHz by use of spin-torque oscillators. The origin of the amplification is the energy sup…