Fig. 1. Theoretical mode and coordinate system.理论模型和坐标系

Fig. 2. The phase diagram defined in parameter space spanned by the polar angle of pinned-layer magnetization vector and the current density of spin-orbit torque 以钉扎层磁化向量极角 和自旋轨道矩电流密度 为控制参数的相图

Fig. 3. The time evolutions of free-layer magnetization vector for six points a, b, , and in different regions of Fig. 2. (a) and ( ) quasi-P or IPP state; (b) and ( ) OPP state; (c) and ( ) OPS states. 对于图2中不同区域a,b,c,, , 六点, 自由层磁化向量随时间的演化轨迹　(a)和( )准平行稳定态或平面内的进动态; (b)和( )伸出膜面的进动态; (c)和( )伸出膜面的稳定态

Fig. 4. The phase diagram defined in parameter space spanned by the azimuthal angle of pinned-layer magnetization vector and the current density of spin-orbit torque . 以钉扎层磁化向量方位角 和自旋轨道矩电流密度 为控制参数的相图

Fig. 5. The time evolutions of three components , and driven by different spin torque in free-layer magnetization vector for point ‘a’ of Fig. 4 with the initial magnetization along x direction: (a) IPS state excited by spin-transfer torque; (b) magnetization reversal driven by spin-transfer torque; (c) IPP state excited by spin-transfer torque and spin-orbit torque; (d) magnetization reversal driven by spin-transfer torque and spin-orbit torque. 对应图4中的“a”点, 自由层初始磁化沿x方向时磁化向量三个分量 , 和 在不同自旋矩驱动下随时间的演化 (a)自旋转移矩激发的平面内的稳定态; (b)自旋转移矩驱动磁化翻转; (c)自旋转移矩和自旋轨道矩共同激发的平面内的进动态; (d)自旋转移矩和自旋轨道矩共同驱动磁化翻转