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Pis'ma v Zh. Èksper. Teoret. Fiz., 2008, Volume 88, Issue 8, Pages 624–628 (Mi jetpl263)  

This article is cited in 6 scientific papers (total in 6 papers)

CONDENSED MATTER

Effect of thermal fluctuations on the spin self-oscillations in a microwave nanosized oscillator

A. F. Popkovab, M. Yu. Chinenkovab

a Lukin Scientific Research Institute of Physical Problems, Zelenograd, Moscow, 124460, Russia
b Moscow Institute of Electronic Engineering (State Technological University), Moscow, 124498, Russia

Abstract: Reduced equations are derived for the slow evolution of the phase and amplitude of spin self-oscillations arising in a free magnetic layer of a nanosized microwave oscillator under the action of an over-threshold spin-polarized current. These equations are used to calculate the spectral intensity of the fundamental-harmonic signal of a spin self-oscillator allowing for thermal noise in the spin subsystem. It is shown that the line width as a function of the current is determined by a bifurcation-type variation in the spin state near the self-oscillation threshold. The self-oscillation nonisochronism makes the spectral line profile asymmetric. The line-profile asymmetry can change as the cycle-appearance point is approached.

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English version:
Journal of Experimental and Theoretical Physics Letters, 2008, 88:8, 546–550

Bibliographic databases:

Document Type: Article
PACS: 72.25.Ba, 72.70.+m, 73.63.Rt, 75.30.Ds, 76.50.+g, 84.30.Ng
Received: 02.07.2008
Revised: 09.09.2008

Citation: A. F. Popkov, M. Yu. Chinenkov, “Effect of thermal fluctuations on the spin self-oscillations in a microwave nanosized oscillator”, Pis'ma v Zh. Èksper. Teoret. Fiz., 88:8 (2008), 624–628; JETP Letters, 88:8 (2008), 546–550

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    Citing articles on Google Scholar: Russian citations, English citations
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    This publication is cited in the following articles:
    1. Kravtsov N.V., Lariontsev E.G., “Non-isochronism of the radiation frequency of a solid-state laser with a homogeneously broadened gain line”, Quantum Electronics, 39:11 (2009), 1045–1046  mathnet  crossref  adsnasa  isi  elib  scopus
    2. Quantum Electron., 40:3 (2010), 199–202  mathnet  crossref  adsnasa  isi  elib
    3. Chinenkov M.Yu., Popkov A.F., Korneev V.I., Mazurkin N.A., Dyuzhev N.A., “Nonlinear Spin Dynamics in Magnetic Mesostructures Induced by Spin Polarized Autoemission”, Trends in Magnetism, Solid State Phenomena, 2011, 61–64  isi  elib
    4. Korneev V.I., Popkov A.F., Demin G.D., Mazurkin N.S., Chinenkov Maksim Yurevich -, “Perenos spinov i mikrovolnovye avtokolebaniya v magnitnykh geterostrukturakh s gigantskim magnitosoprotivleniem”, Izvestiya vysshikh uchebnykh zavedenii. Elektronika, 2011, no. 91, 5–17  zmath  elib
    5. Popkov A.F., Korneev V.I., Chinenkov M.Yu., “Osobennosti ushireniya spektralnoi linii spinovykh avtokolebanii v nanostolbchatoi magnitnoi strukture pri variatsii magnitnogo polya i toka”, Izvestiya rossiiskoi akademii nauk. seriya fizicheskaya, 75:2 (2011), 191–193  elib
    6. Korneev V.I., Popkov A.F., Demin G.D., Mazurkin N.S., Chinenkov M.Yu., “Spin Transport and Microwave Self-Oscillations in Magnetic Heterostructures with Giant Magnetoresistance”, Semiconductors, 46:13 (2012), 1553–1561  crossref  adsnasa  isi  elib  scopus
  • Письма в Журнал экспериментальной и теоретической физики Pis'ma v Zhurnal Иksperimental'noi i Teoreticheskoi Fiziki
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