For citation:
Turkin Y. V., Kuptsov P. V. Dynamics of two fieldcoupled spintransfer oscillators. Izvestiya VUZ. Applied Nonlinear Dynamics, 2014, vol. 22, iss. 6, pp. 69-78. DOI: 10.18500/0869-6632-2014-22-6-69-78
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517.9
Dynamics of two fieldcoupled spintransfer oscillators
Autors:
Turkin Yaroslav Vjacheslavovich, Yuri Gagarin State Technical University of Saratov
Kuptsov Pavel Vladimirovich, Saratov Branch of Kotel`nikov Institute of Radiophysics and Electronics of Russian Academy of Sciences
Abstract:
The model of two fieldcoupled spintransfer oscillators has been derived and studied. It has been shown that this model demonstrates phase synchronization in a wide bandwidth, quasiperiodic oscillations and chaos.
Reference:
- Prokopenko О, Bankowski E, Meitzler T, Tiberkevich V, Slavin A. Spin-torque nano-oscillator as a microwave signal source. IEEE Magnetic Letters. 2011;2:3000104. DOI: 10.1109/LMAG.2010.2102007.
- Zeng Z, Finocchio G, Zhang B, Amiri PK, Katine JA, Krivorotov IN, Huai Y, Langer J, Azzerboni B, Wang KL, Jiang H. Ultralow-current-density and bias-field-free spin-transfer nano-oscillator. Scientific Reports. 2013;3(1):1426. DOI: 10.1038/srep01426.
- Huang HB, Ma XQ, Liu ZH. Micromagnetic simulation of spin transfer torque magnetization precession phase diagram in a spin-valve nanopillar under external magnetic fields. ISRN Condensed Matter Physics. 2012;2012:387380. DOI: 10.5402/2012/387380.
- Mohseni SM, Sani S, Persson J. High frequency operation of a spin-torque oscillator at low field. Phys. Status Solidi. 2011;12(5):432-434. DOI: 10.1002/pssr.201105375.
- Ozatay O, Gowtham PG. Sidewall oxide effects on spin-torque- and magnetic-field-induced reversal characteristics of thin-film nanomagnets. Nature Materials. 2008;7(7):567-573. DOI: 10.1038/nmat2204.
- Pikovsky A. Robust synchronization of spin-torque oscillators with an LCR load. Phys. Rev. E. 2013;88(3):032812. DOI: 10.1103/PhysRevE.88.032812.
- Sanid C, Murugesh S. Synchronization and chaos in spin-transfer-torque nano-oscillators coupled via a high-speed operational amplifier. Journal of Physics D: Applied Physics. 2014;47(6):065005. DOI: 10.1088/0022-3727/47/6/065005.
- Subash B, Chandrasekar VK, Lakshmanan M. Synchronization of an array of spin-torque nano oscillators in periodic applied external magnetic field. EPL (Europhysics Letters). 2013;102(1):17010. DOI: 10.1209/0295-5075/102/17010
- Hartmann U. Magnetic Multilayers and Giant Magnetoresistance. New York: Springer-Verlag; 2001. 321 p.
- Slonczewski JC. Current-driven excitation of magnetic multilayers. Journal of Magnetism and Magnetic Materials. 1996;159(1-2):L1-L7. DOI: 10.1016/0304-8853(96)00062-5.
- Bertotti G, Mayergoyz I, Serpico C. Nonlinear Magnetization Dynamics in Nanosystems. Amsterdam: Elsevier; 2009. 466 p. DOI: 10.1016/B978-0-08-044316-4.X0001-1.
- Kuznetsov AP, Paksjutov VI, Roman JP. Properties of synchronization in the system of nonidentical coupled van der pol and Van der Pol – Duffing oscillators. Broadband synchronization. Izvestiya VUZ. Applied Nonlinear Dynamics. 2007;15(4):3-15. DOI: 10.18500/0869-6632-2007-15-4-3-15.
Received:
24.12.2014
Accepted:
24.12.2014
Published:
30.04.2015
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