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Modulation of single and double spin torque oscillators
KTH, School of Information and Communication Technology (ICT), Material Physics, Material Physics, MF.
KTH, School of Information and Communication Technology (ICT), Material Physics, Material Physics, MF.
University of Messina.
Everspin Technologies Inc.
Show others and affiliations
2010 (English)In: INTERNATIONAL CONFERENCE ON MAGNETIC MATERIALS (ICMM-2010), 2010, 318-321 p.Conference paper, Published paper (Refereed)
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
2010. 318-321 p.
Series
AIP Conference Proceedings, ISSN 0094-243X ; 1347
Keyword [en]
spin torque oscillators, modulation, non-linear frequency and amplitude modulation, synchronization of spin torque oscillators
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:kth:diva-101052DOI: 10.1063/1.3601845ISI: 000302919900072Scopus ID: 2-s2.0-79961047026ISBN: 978-0-7354-0903-3 (print)OAI: oai:DiVA.org:kth-101052DiVA: diva2:546339
Conference
International Conference on Magnetic Materials (ICMM), OCT 25-29, 2010, Kolkata, INDIA
Note
QC 20120823Available from: 2012-08-23 Created: 2012-08-22 Last updated: 2012-08-23Bibliographically approved

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Muduli, PranabaPogoryelov, YevgenÅkerman, Johan
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CiteExportLink to record
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  • apa
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  • Other locale
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