[14p-2J-5~18] 10.2 Spin torque, spin current, circuits, and measurement technologies

▼ [14p-2J-11] Spin Torque-Induced Vortex Oscillation in Co₂(Fe, Mn)Si Heusler Alloy

〇(D)Tatsuya Yamamoto¹, Takashi Seki^1,2, Koki Takanashi¹ (1.IMR, Tohoku Univ., 2.JST-PRESTO)

Keywords:Spin torque oscillator

We fabricated vortex STOs using an epitaxially-grown CFMS/Ag/CFMS film, and characterized their oscillation properties. We show that the high spin polarization of CFMS and the magnetization dynamics of the vortex provide with large P_rf and high Q oscillations.