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Modulation of single and double spin torque oscillators
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2011 (English)In: AIP Conf. Proc., Vol. 1347, 318-321 p.Article in journal (Refereed) Published
Abstract [en]

We discuss modulation of metallic spin torque oscillators (STOs) based on single and double nano-contacts. The modulation behavior of both types of devices is characterized by equally spaced multiple sidebands, which can be ascribed mostly to a frequency modulation phenomenon. However, quantitative examination reveals that amplitude modulation is also present in both types of devices. We also show the feasibility of modulating the synchronized state of a double nano-contact STO. The synchronized state can be treated as a single oscillator, which is a very promising feature for future applications of STO arrays.

Place, publisher, year, edition, pages
2011. Vol. 1347, 318-321 p.
Keyword [en]
modulation, non-linear frequency and amplitude, oscillators, spin torque oscillators, synchronization
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:uu:diva-215356DOI: 10.1063/1.3601845OAI: oai:DiVA.org:uu-215356DiVA: diva2:694357
Available from: 2014-02-06 Created: 2014-01-13 Last updated: 2014-02-06

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Pogoryelov, Ye

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