Fig. 1. Schematic diagram of the test platform测试平台原理图

Fig. 2. Voltages of NiFe/STO at different frequencies(a) and reversal test curves at 4.4 GHz before and after sample flip(b)NiFe/STO在不同频率下的测试曲线(a)及4.4 GHz时的翻转测试曲线(b)

Fig. 3. Linewidth (ΔH) of ferromagnetic resonance varies with frequency f (a) and frequency f varies with resonance field(H_r) (b) in NiFe/STO NiFe/STO中铁磁共振线宽ΔH随频率f的变化曲线(a)和频率f随铁磁共振场H_r的变化曲线(b)

Fig. 4. Test curve at 3.4GHz in NiFe/0.05Nb:STO, the inset shows the variation of V_SRE and V_ISHE with external magnetic field at 3.4 GHz NiFe/0.05Nb:STO体系3.4 GHz时的测试曲线, 插图为该体系3.4 GHz时的V_SRE和V_ISHE随外磁场的变化曲线

Fig. 5. Variation curve of V_ISHE with different doping concentrations with external magnetic field at 3.4 GHz 3.4 GHz时不同掺杂浓度的V_ISHE随外磁场的变化曲线

Fig. 6. Fitting curves of frequency f and linewidth ΔH at different doping concentrations,the inset shows the relationship between the damping coefficient α and the doping concentration 各掺杂浓度样品频率f与线宽ΔH的拟合曲线, 插图为阻尼系数α与掺杂浓度的关系