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Active Magnetoplasmonic Ruler
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2015 (English)In: Nano letters (Print), ISSN 1530-6984, E-ISSN 1530-6992, Vol. 15, no 5, 3204-3211 p.Article in journal (Refereed) Published
Abstract [en]

Plasmon rulers are an emerging concept in which the strong near-field coupling of plasmon nanoantenna elements is employed to Obtain structural information at the nanoscale. Here, we combine nanoplasmonics and nano-magnetism to conceptualize a magnetoplasmonic dimer nanoantenna that would be able to report nanoscale distances While optimizing its own spatial orientation. The latter constitutes an active operation in which a dynamically optimized optical response per measured unit length allows for the measurement of small and large nanoscale distances With about 2 orders of magnitude higher precision than current state-of-the-art plasmon rulers. We further propose,a concept to Optically measure the nanoscale response to the controlled application of force with a magnetic field.

Place, publisher, year, edition, pages
2015. Vol. 15, no 5, 3204-3211 p.
Keyword [en]
magnetoplasmonics, plasmon ruler, nickel, cobalt, localized surface plasmon resonance, magneto-optical Kerr effect (MOKE), dimer
National Category
Nano Technology
Identifiers
URN: urn:nbn:se:kth:diva-172255DOI: 10.1021/acs.nanolett.5b00372ISI: 000354906000064PubMedID: 25915688Scopus ID: 2-s2.0-84929157376OAI: oai:DiVA.org:kth-172255DiVA: diva2:847633
Funder
Swedish Foundation for Strategic Research Knut and Alice Wallenberg FoundationSwedish Research Council
Note

QC 20150820

Available from: 2015-08-20 Created: 2015-08-14 Last updated: 2017-12-04Bibliographically approved

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