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Spin laser based on magnetic nano-contact array
KTH, School of Engineering Sciences (SCI), Applied Physics, Nanostructure Physics.ORCID iD: 0000-0003-2339-1692
KTH, School of Engineering Sciences (SCI), Applied Physics, Nanostructure Physics.
2013 (English)In: Europhysics letters, ISSN 0295-5075, E-ISSN 1286-4854, Vol. 104, no 2, 27011- p.Article in journal (Refereed) Published
Abstract [en]

Arrays of 10 nm diameter point contacts of exchange-coupled spin-majority/spin-minority ferromagnetic metals, integrated into infrared-terahertz range photon resonators, are fabricated and measured electrically and optically. Giant, threshold-type electronic excitations under high-current pumping of the devices are observed as abrupt but reversible steps in device resistance, in many cases in excess of 100%, which correlate with optical emission from the devices. The results are interpreted as due to stimulated spin-flip electron-photon relaxation in the system.

Place, publisher, year, edition, pages
2013. Vol. 104, no 2, 27011- p.
Keyword [en]
Radiation, Ruby
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Identifiers
URN: urn:nbn:se:kth:diva-139228DOI: 10.1209/0295-5075/104/27011ISI: 000327931300031Scopus ID: 2-s2.0-84888582883OAI: oai:DiVA.org:kth-139228DiVA: diva2:687292
Funder
EU, FP7, Seventh Framework Programme
Note

QC 20140114

Available from: 2014-01-14 Created: 2014-01-08 Last updated: 2017-12-06Bibliographically approved

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Korenivski, Vladislav

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