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In-phase and out-of-phase spin pumping effects in Py/Ru/Pysynthetic antiferromagnetic structures
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作者 Zhaocong Huang xuejian tang +5 位作者 Qian Chen Wei Jiang Qingjie Guo Milad Jalali Jun Du Ya Zhai 《Chinese Physics B》 SCIE EI CAS CSCD 2024年第9期541-545,共5页
The spin pumping effect in magnetic heterostructures and multilayers is a highly effective method for the generationand transmission of spin currents. In the increasingly prominent synthetic antiferromagnetic structur... The spin pumping effect in magnetic heterostructures and multilayers is a highly effective method for the generationand transmission of spin currents. In the increasingly prominent synthetic antiferromagnetic structures, the two ferromagneticlayers demonstrate in-phase and out-of-phase states, corresponding to acoustic and optical precession modes. Withinthis context, our study explores the spin pumping effect in Py/Ru/Py synthetic antiferromagnetic structures across differentmodes. The heightened magnetic damping resulting from the spin pumping effect in the in-phase state initially decreaseswith increasing Py thickness before stabilizing. Conversely, in the out-of-phase state, the amplified damping exceeds thatof the in-phase state, suggesting a greater spin relaxation within this configuration, which demonstrates sensitivity to alterationsin static exchange interactions. These findings contribute to advancing the application of synthetic antiferromagneticstructures in magnonic devices. 展开更多
关键词 SPIN PUMPING SPIN transmission synthetic ANTIFERROMAGNETIC STRUCTURES SPIN dynamics
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