Non-linear frequency and amplitude modulation of a nano-contact spin torque oscillator

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Muduli, P. K.; Pogoryelov, Ye.; Bonetti, S.; Consolo, G.; Mancoff, Fred; Åkerman, Johan;
(2009)
  • Related identifiers: doi: 10.1103/PhysRevB.81.140408
  • Subject: Condensed Matter - Mesoscale and Nanoscale Physics | Condensed Matter - Other Condensed Matter | Condensed Matter - Materials Science
We study the current controlled modulation of a nano-contact spin torque oscillator. Three principally different cases of frequency non-linearity ($d^{2}f/dI^{2}_{dc}$ being zero, positive, and negative) are investigated. Standard non-linear frequency modulation theory ... View more
  • References (20)
    20 references, page 1 of 2

    1 W. H. Rippard, M. R. Pufall, S. Kaka, T. J. Silva, and S. E. Russek, Phys. Rev. B 70, 100406(R) (2004).

    2 S. Bonetti, P. Muduli, F. Mancoff, and J. A˚kerman, Appl. Phys. Lett. 94, 102507 (2009).

    3 J. C. Slonczewski, J. Magn. Magn. Mater. 159, L1 (1996).

    4 L. Berger, Phys. Rev. B 54, 9353 (1996).

    5 M. Tsoi, A. G. M. Jansen, J. Bass, W.-C. Chiang, V. Tsoi, and P. Wyder, Nature (London) 406, 46 (2000).

    6 S. I. Kiselev, J. C. Sankey, I. N. Krivorotov, N. C. Emley, R. J. Schoelkopf, R. A. Buhrman, and D. C. Ralph, Nature 425, 380 (2003).

    7 D. Houssameddine, U. Ebels, B. Dela¨et, B. Rodmacq, I. Firastrau, F. Ponthenier, M. Brunet, C. Thirion, J.- P. Michel, L. Prejbeanu-Buda, et al., Nat. Mater. 6, 447 (2007).

    8 A. N. Slavin and P. Kabos, IEEE Trans. Magn. 41, 1264 (2005).

    9 A. Slavin and V. Tiberkevich, IEEE Trans. Magn. 45, 1875 (2009).

    10 S. Petit, C. Baraduc, C. Thirion, U. Ebels, Y. Liu, M. Li, P. Wang, and B. Dieny, Phys. Rev. Lett. 98, 077203 (2007).

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