[15a-3A-1~11] 10.2 Spin torque, spin current, circuits, and measurement technologies

▼ [15a-3A-5] Inverse-magnetostriction-induced switching current reduction for spin-transfer torque MTJs

〇Yota Takamura¹, Shigeki Nakagawa¹, Satoshi Sugahara² (1.Dept. of Physical Electron., Tokyo Tech, 2.ISEL, Tokyo Tech)

Keywords:Current-induced mangetization switching,Stress,Super magnetostriction

We propsoed and analyzed inverse-magnetostriction-induced switching current reduction technique for spin-transfer torque MTJs. The proposed technique can reduce switching current density J_c by 1/50 at applied pressure P = ~180 MPa.