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Compact Macrospin-Based Model of Three-Terminal Spin-Hall Nano Oscillators
KTH, Skolan för elektroteknik och datavetenskap (EECS), Elektronik, Integrerade komponenter och kretsar.ORCID-id: 0000-0002-9919-9886
Department of Physics, University of Gothenburg.
KTH, Skolan för teknikvetenskap (SCI), Tillämpad fysik, Material- och nanofysik. Department of Physics, University of Gothenburg.ORCID-id: 0000-0002-3513-6608
KTH, Skolan för elektroteknik och datavetenskap (EECS), Elektronik, Integrerade komponenter och kretsar.ORCID-id: 0000-0003-0565-9907
Vise andre og tillknytning
2019 (engelsk)Inngår i: IEEE transactions on magnetics, ISSN 0018-9464, E-ISSN 1941-0069, Vol. 55, nr 10, artikkel-id 4003808Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Emerging spin-torque nano oscillators (STNOs) and spin-Hall nano oscillators (SHNOs) are potential candidates for microwave applications. Recent advances in three-terminal magnetic tunnel junction (MTJ)-based SHNOs opened the possibility to develop more reliable and well-controlled oscillators, thanks to individual spin Hall-driven precession excitation and read-out paths. To develop hybrid systems by integrating three-terminal SHNOs and CMOS circuits, an electrical model able to capture the analog characteristics of three-terminal SHNOs is needed. This model needs to be compatible with current electric design automation (EDA) tools. This work presents a comprehensive macrospin-based model of three-terminal SHNOs able to describe the dc operating point, frequency modulation, phase noise, and output power. Moreover, the effect of voltage-controlled magnetic anisotropy (VCMA) is included. The model shows good agreement with experimental measurements and could be used in developing hybrid three-terminal SHNO/CMOS systems.

sted, utgiver, år, opplag, sider
IEEE Press, 2019. Vol. 55, nr 10, artikkel-id 4003808
Emneord [en]
Compact model, magnetic tunnel junction (MTJ), spin-Hall nano oscillator (SHNO)
HSV kategori
Forskningsprogram
Elektro- och systemteknik
Identifikatorer
URN: urn:nbn:se:kth:diva-259715DOI: 10.1109/TMAG.2019.2925781ISI: 000487191400001OAI: oai:DiVA.org:kth-259715DiVA, id: diva2:1353171
Forskningsfinansiär
Swedish Research Council
Merknad

QC 20190930

Tilgjengelig fra: 2019-09-20 Laget: 2019-09-20 Sist oppdatert: 2019-10-11bibliografisk kontrollert

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Åkerman, JohanRodriguez, SaulRusu, Ana

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