Precessional dynamics and damping in Co/Cu/Py spin valves

R. Salikhov; R. Abrudan; F. Bruessing; St. Buschhorn; M. Ewerlin; D. Mishra; F. Radu; I. A. Garifullin; H. Zabel

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Precessional dynamics and damping in Co/Cu/Py spin valves

机译：Co / Cu / Py自旋阀的进动动力学和阻尼

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We have studied the precessional dynamics of Co/Cu/Py (where Py = Ni_(81)Fe_(19)) trilayers by time-resolved x-ray resonant magnetic scattering at the synchrotron radiation facility BESSY II. We have found that the magnetic precessional decay time of Fe magnetic moments in Py layers decreases when changing the mutual orientation of the magnetization direction of Py and Co layers from parallel to antiparallel. The observed changes of the decay time can be associated with the spin pumping induced damping effect.

机译：我们通过在同步辐射装置BESSY II上通过时间分辨X射线共振磁散射研究了Co / Cu / Py（其中Py = Ni_（81）Fe_（19））三层的进动动力学。我们已经发现，当将Py和Co层的磁化方向的相互定向从平行更改为反平行时，Py层中Fe磁矩的磁进动衰减时间减少。观察到的衰减时间变化可能与自旋泵引起的阻尼效应有关。

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来源
《Applied Physics Letters》 |2011年第9期|p.092509.1-092509.3|共3页
作者
R. Salikhov; R. Abrudan; F. Bruessing; St. Buschhorn; M. Ewerlin; D. Mishra; F. Radu; I. A. Garifullin; H. Zabel;
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Institutfiir ExperimentalphysiklFestkorperphysik, Ruhr-Universitdt Bochum, D-44780 Bochum, Germany;

Institutfiir ExperimentalphysiklFestkorperphysik, Ruhr-Universitdt Bochum, D-44780 Bochum, Germany;

Institutfiir ExperimentalphysiklFestkorperphysik, Ruhr-Universitdt Bochum, D-44780 Bochum, Germany;

Institutfiir ExperimentalphysiklFestkorperphysik, Ruhr-Universitdt Bochum, D-44780 Bochum, Germany;

Institutfiir ExperimentalphysiklFestkorperphysik, Ruhr-Universitdt Bochum, D-44780 Bochum, Germany;

Institutfiir ExperimentalphysiklFestkorperphysik, Ruhr-Universitdt Bochum, D-44780 Bochum, Germany;

Helmholtz-Zentrum Berlin fur Materialien und Energie, Albert-Einstein-Str. 15, 12489 Berlin, Germany;

Zavoisky Physical-Technical Institute, Kazan Scientific Center of the Russian Academy of Sciences, 420029 Kazan, Russia;

Institutfiir ExperimentalphysiklFestkorperphysik, Ruhr-Universitdt Bochum, D-44780 Bochum, Germany;

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1. The influence of Cu spacer morphology in Cu/Py/Cu/Co/IrMn spin valves with induced non-collinear spin structures [J] . A.C. Krohling, C.H. Verbeno, T.E.P. Bueno, Journal of magnetism and magnetic materials . 2020,第Octa期

机译：Cu / Py / Cu / Co / IRMN旋转阀与诱导非共线旋转结构的影响
2. Current-induced switching in Py/Cu/Py spin valves [J] . A. Vernes, P. Weinberger, L. Szunyogh Physical review. B, Condensed Matter And Materials Physics . 2005,第1期

机译：Py / Cu / Py自旋阀中的电流感应开关
3. Magnetic and magnetotransport properties in epitaxial FeMn/Py/Cu/Py spin-valve films [J] . Huang J.C.A., Tsao C.H. IEEE Transactions on Magnetics . 1999,第5期

机译：外延FeMn / Py / Cu / Py自旋阀膜的磁和磁输运性质
4. Magnetic and magnetotransport properties in epitaxial FeMn/Py/Cu/Py spin-valve films [C] . Huang, J.C.A., Tsao, . 1999

机译：外延FeMn / Py / Cu / Py自旋阀膜的磁和磁输运性质
5. Nonlinear spin dynamics and ultra-fast precessional switching. [D] . Dimian, Mihai. 2005

机译：非线性自旋动力学和超快速进动切换。
6. Interplay between intra- and inter-nanowires dynamic dipolar interactions in the spin wave band structure of Py/Cu/Py nanowires [O] . G. Gubbiotti, X. Zhou, Z. Haghshenasfard, -1

机译：Py / Cu / Py纳米线的自旋波带结构中纳米线内和纳米线间动态偶极相互作用的相互作用
7. Time-Resolved Spin Torque Switching and Enhanced Damping in Py/Cu/Py Spin-Valve Nanopillars [O] . Emley, N. C., Krivorotov, I. N., Garcia, A. G. F., 2005

机译：py / Cu / py中的时间分辨自旋扭矩切换和增强阻尼自旋阀纳米柱
8. The dynamics of a spinning solar pressure- stabilized satellite with precession damping [R] . Harrington, J. V. 1966

机译：具有进动阻尼的旋转太阳压稳定卫星的动力学

Precessional dynamics and damping in Co/Cu/Py spin valves

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