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Thermomagnonic diode: Rectification of energy and magnetization currents
KTH, Skolan för informations- och kommunikationsteknik (ICT), Material- och nanofysik.
KTH, Skolan för informations- och kommunikationsteknik (ICT), Material- och nanofysik, Materialfysik, MF. KTH, Centra, SeRC - Swedish e-Science Research Centre.ORCID-id: 0000-0003-4341-5663
KTH, Skolan för informations- och kommunikationsteknik (ICT), Material- och nanofysik, Materialfysik, MF.ORCID-id: 0000-0001-7788-6127
2014 (engelsk)Inngår i: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 89, nr 5, s. 054428-Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

We investigate the dynamics of two coupled macrospins connected to thermal baths at different temperatures. The system behaves like a diode which allows the propagation of energy and magnetization currents in one direction only. This effect is described by a simple model of two coupled nonlinear oscillators interacting with two independent reservoirs. It is shown that the rectification phenomenon can be interpreted as a a stochastic phase synchronization of the two spin oscillators. A brief comparison with realistic micromagnetic simulations is presented. This new effect yields promising opportunities in spin caloritronics and nanophononic devices.

sted, utgiver, år, opplag, sider
2014. Vol. 89, nr 5, s. 054428-
Emneord [en]
Spin-Transfer-Torque, Tunnel-Junctions, Multilayers, Phononics, Transport, Systems
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-143988DOI: 10.1103/PhysRevB.89.054428ISI: 000332415200002Scopus ID: 2-s2.0-84897696376OAI: oai:DiVA.org:kth-143988DiVA, id: diva2:710300
Forskningsfinansiär
Swedish e‐Science Research CenterSwedish Research CouncilCarl Tryggers foundation
Merknad

QC 20140407

Tilgjengelig fra: 2014-04-07 Laget: 2014-04-04 Sist oppdatert: 2017-12-05bibliografisk kontrollert

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