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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Thermal effect in Pt/YIG heterostructure induced by direct microwave power injection
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Thermal effect in Pt/YIG heterostructure induced by direct microwave power injection

机译：直接微波功率注射诱导的Pt / YIG异质结构的热效应

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We performed direct microwave power injection into Pt/YIG, a heavy metal/ferrimagnetic insulator bilayer structure. The induced heating effect plays an important role in the interpretation of the ferromagnetic resonance signal. According to our frequency dependent measurements, we found the heat-induced inhomogeneous broadening in addition to the spin Hall magnetoresistance (SMR). From the angular dependent measurement, the thermal signals both in non-resonant and resonant states were observed, consistent with the angular dependence of longitudinal spin Seebeck signal. The heating effect from the injected rf power not only gives rise to the increase of inhomogeneous broadening factor Delta H-0, but also contributes to the increase of damping constant, Delta alpha.
机译：我们对PT / YIG进行了直接微波功率注入，重金属/铁磁绝缘体双层结构。 诱导的加热效果在解释铁磁共振信号中起着重要作用。 根据我们的频率依赖性测量，除了旋转霍尔磁阻（SMR）之外，我们还发现热诱导的不均匀展大。 从角度依赖性测量，观察到非谐振和谐振状态的热信号，与纵向旋扎塞信号的角度依赖性一致。 来自注入的RF功率的加热效果不仅产生了不均匀展大因子δH-0的增加，而且还有助于增加阻尼常数，Deltaα。

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