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;
  • 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
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