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Determination of the spin torque non-adiabaticity in perpendicularly magnetized nanowires

Determination of the spin torque non-adiabaticity in perpendicularly magnetized nanowires

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HEINEN, Jan, Denise HINZKE, Olivier BOULLE, Grégory MALINOWSKI, Henk J. M SWAGTEN, Bert KOOPMANS, Christian ULYSSE, Giancarlo FAINI, Berthold OCKER, J. WRONA, Mathias KLÄUI, 2012. Determination of the spin torque non-adiabaticity in perpendicularly magnetized nanowires. In: Journal of Physics: Condensed Matter. 24(2), 024220. ISSN 0953-8984. eISSN 1361-648X

@article{Heinen2012-01-18Deter-18539, title={Determination of the spin torque non-adiabaticity in perpendicularly magnetized nanowires}, year={2012}, doi={10.1088/0953-8984/24/2/024220}, number={2}, volume={24}, issn={0953-8984}, journal={Journal of Physics: Condensed Matter}, author={Heinen, Jan and Hinzke, Denise and Boulle, Olivier and Malinowski, Grégory and Swagten, Henk J. M and Koopmans, Bert and Ulysse, Christian and Faini, Giancarlo and Ocker, Berthold and Wrona, J. and Kläui, Mathias}, note={Article Number: 024220} }

<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:bibo="http://purl.org/ontology/bibo/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" > <rdf:Description rdf:about="https://kops.uni-konstanz.de/rdf/resource/123456789/18539"> <dc:contributor>Kläui, Mathias</dc:contributor> <dc:creator>Kläui, Mathias</dc:creator> <dc:contributor>Wrona, J.</dc:contributor> <dcterms:issued>2012-01-18</dcterms:issued> <dc:creator>Ocker, Berthold</dc:creator> <dc:date rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2012-03-13T09:11:55Z</dc:date> <dc:contributor>Malinowski, Grégory</dc:contributor> <dc:creator>Swagten, Henk J. M</dc:creator> <dc:rights>deposit-license</dc:rights> <dc:creator>Hinzke, Denise</dc:creator> <dc:contributor>Swagten, Henk J. M</dc:contributor> <dc:creator>Malinowski, Grégory</dc:creator> <dcterms:bibliographicCitation>First publ. in: Journal of Physics : Condensed Matter ; 24 (2012), 2. - 024220</dcterms:bibliographicCitation> <dc:contributor>Ulysse, Christian</dc:contributor> <dc:creator>Boulle, Olivier</dc:creator> <dc:contributor>Boulle, Olivier</dc:contributor> <dcterms:available rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2012-03-13T09:11:55Z</dcterms:available> <dc:creator>Koopmans, Bert</dc:creator> <dcterms:title>Determination of the spin torque non-adiabaticity in perpendicularly magnetized nanowires</dcterms:title> <dc:creator>Ulysse, Christian</dc:creator> <dc:contributor>Ocker, Berthold</dc:contributor> <dc:contributor>Hinzke, Denise</dc:contributor> <dc:contributor>Koopmans, Bert</dc:contributor> <dc:creator>Faini, Giancarlo</dc:creator> <dc:creator>Wrona, J.</dc:creator> <dcterms:rights rdf:resource="http://nbn-resolving.org/urn:nbn:de:bsz:352-20140905103605204-4002607-1"/> <dcterms:abstract xml:lang="eng">Novel nanofabrication methods and the discovery of an efficient manipulation of local magnetization based on spin polarized currents has generated a tremendous interest in the field of spintronics. The search for materials allowing for fast domain wall dynamics requires fundamental research into the effects involved (Oersted fields, adiabatic and non-adiabatic spin torque, Joule heating) and possibilities for a quantitative comparison. Theoretical descriptions reveal a material and geometry dependence of the non-adiabaticity factor β, which governs the domain wall velocity. Here, we present two independent approaches for determining β: (i) measuring the dependence of the dwell times for which a domain wall stays in a metastable pinning state on the injected current and (ii) the current–field equivalence approach. The comparison of the deduced β values highlights the problems of using one-dimensional models to describe two-dimensional dynamics and allows us to ascertain the reliability, robustness and limits of the approaches used.</dcterms:abstract> <dc:contributor>Heinen, Jan</dc:contributor> <dc:language>eng</dc:language> <bibo:uri rdf:resource="http://kops.uni-konstanz.de/handle/123456789/18539"/> <dc:contributor>Faini, Giancarlo</dc:contributor> <dc:creator>Heinen, Jan</dc:creator> </rdf:Description> </rdf:RDF>

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