Table 1 Device and material parameters for SOT and STT operation, along with their default parameters established through literature and prior works10,38,39,40,41,42
Spin Orbit Torque (SOT) MTJ | |||||
---|---|---|---|---|---|
Parameter | Symbol | Min Range | Max Range | Defaults | Parameter Type |
Gilbert Damping Constant | α | 0.01 | 0.1 | 0.03 | Material |
Surface Anisotropy Energy | Ki | 0.2 × 10−3 J/m2 | 1 × 10−3 J/m2 | 1 × 10−3 J/m2 | Device |
Saturation Magnetization | Ms | 0.3 × 106 A/m | 2 × 106 A/m | 1.2 × 106 A/m | Material |
Parallel Resistance | Rp | 500 Ω | 50,000 Ω | 5000 Ω | Device |
Spin Hall Angle | η | 0.1 | 2 | 0.3 | Material |
Current Density | JSOT | 0.01 × 1012 A/m2 | 5 × 1012 A/m2 | 0.5 × 1012 A/m2 | Device |
Pulse Width | tpulse | 0.5 ns | 75 ns | 10 ns | Device |
Spin Transfer Torque (STT) MTJ | |||||
---|---|---|---|---|---|
Parameter | Symbol | Min Range | Max Range | Defaults | Parameter Type |
Gilbert Damping Constant | α | 0.01 | 0.1 | 0.03 | Material |
Surface Anisotropy Energy | Ki | 0.2 × 10−3 J/m2 | 1 × 10−3 J/m2 | 1 × 10−3 J/m2 | Device |
Saturation Magnetization | Ms | 0.3 × 106 A/m | 2 × 106 A/m | 1.2 × 106 A/m | Material |
Parallel Resistance | Rp | 500 Ω | 50,000 Ω | 5000 Ω | Device |
Pulse Width | tpulse | 0.5 ns | 75 ns | 1 ns | Device |