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Pis'ma v Zh. Èksper. Teoret. Fiz., 2018, Volume 108, Issue 2, Pages 124–129 (Mi jetpl5631)  

CONDENSED MATTER

Slow oscillations of the perpendicular magnetization of the Pt/Co/Ir/Co/Pt spin valve

R. B. Morgunovabc, G. L. L'vovaba

a Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow region, Russia
b Russian University of Transport (MIIT), Moscow, Russia
c Tambov State Technical University, Tambov, Russia

Abstract: The time dependences of the transfer of the magnetic moment between stable magnetic states of heterostructures with two Pt/Co/Ir/Co/Pt ferromagnetic layers with the perpendicular magnetization have been studied. Spontaneous oscillations of the macroscopic magnetization with a period of several hours are observed after switching the magnetic field to a new value. The phase portrait of the magnetic relaxation corresponds to damped oscillations. The macrospin oscillation may be due to the high nucleation rate of the reverse magnetization phase induced by the exchange and magnetic dipole interaction between the phase nucleation centers, which arise in different layers. The changes in the Zeeman energy of the system under magnetic oscillations are considered.

Funding Agency Grant Number
Ministry of Education and Science of the Russian Federation 3.1992.2017/4.6


DOI: https://doi.org/10.1134/S0370274X18140114

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English version:
Journal of Experimental and Theoretical Physics Letters, 2018, 108:2, 137–141

Bibliographic databases:

Document Type: Article
Received: 29.05.2018
Revised: 21.06.2018

Citation: R. B. Morgunov, G. L. L'vova, “Slow oscillations of the perpendicular magnetization of the Pt/Co/Ir/Co/Pt spin valve”, Pis'ma v Zh. Èksper. Teoret. Fiz., 108:2 (2018), 124–129; JETP Letters, 108:2 (2018), 137–141

Citation in format AMSBIB
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\by R.~B.~Morgunov, G.~L.~L'vova
\paper Slow oscillations of the perpendicular magnetization of the Pt/Co/Ir/Co/Pt spin valve
\jour Pis'ma v Zh. \`Eksper. Teoret. Fiz.
\yr 2018
\vol 108
\issue 2
\pages 124--129
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\crossref{https://doi.org/10.1134/S0370274X18140114}
\transl
\jour JETP Letters
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\vol 108
\issue 2
\pages 137--141
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  • Письма в Журнал экспериментальной и теоретической физики Pis'ma v Zhurnal Иksperimental'noi i Teoreticheskoi Fiziki
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