Nonlinear power dependence of ferromagnetic resonance in NiFe/Pt/CoFeB trilayer

Nonlinear power dependence of ferromagnetic resonance in NiFe/Pt/CoFeB trilayer
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NiFe/Pt/CoFeB 三层铁磁共振的非线性功率依赖性

DOI:
10.1088/1361-648x/ac26f8
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发表时间:
2021
期刊:
Journal of Physics: Condensed Matter
影响因子:
--
通讯作者:
Kimura Takashi
Kimura Takashi
中科院分区:
--
文献类型:
--
作者:
Yafuso Minoru;Miyazaki Keishi;Takayama Yusei;Obinata Sora;Kimura Takashi

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本文研究了NiFe/Pt/CoFeB三层膜的静态和动态磁化特性。我们发现,两个铁磁层之间的Pt间隔铁磁耦合,即使在室温下。此外,NiFe层的阻尼常数被发现显示出显着的增强与非线性的功率依赖性。在NiFe层中观察到的这些独特的磁性特征可以通过在两个铁磁层之间的Pt间隔物中诱导的弱铁磁性来理解。
The static and dynamic magnetization properties for a NiFe/Pt/CoFeB tri-layered film have been investigated. We find that the two ferromagnetic layers separated by a Pt spacer are ferromagnetically coupled even at room temperature. Moreover, the damping constant for the NiFe layer is found to show the significant enhancement with non-linear power dependence. These unique magnetic features observed in the NiFe layer can be understood by the weak ferromagnetism induced in the Pt spacer between two ferromagnetic layers.
纳米磁性:超薄膜、多层膜和纳米结构
DOI: --
发表时间: 2006
期刊: --
影响因子: --
作者:
D. Mills;J. Bland
通讯作者: J. Bland