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Proceedings Paper

Active mid IR plasmonics using giant magneto resistance
Author(s): Gaspar Armelles; Alfonso Cebollada; Fernando García; Lorena Torné; María Luisa Dotor
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Paper Abstract

Here we present our proposal and initial results on the magnetic field control of plasmon resonances in the mid IR region by the use of the Magneto-Refractive (MR) effect, i.e., a change in the optical properties of the system by magnetic field controlled electrical resistivity. For this we select a Giant Magneto Resistance model system (a Au/Permalloy multilayer), for which changes in resisitivity of the order of 10% by the application of small (of the order of 20 Oe) magnetic fields have been reported. The experiments are carried out in a dedicated magnetic field FTIR (M-FTIR) spectrometer.

Paper Details

Date Published: 6 September 2017
PDF: 5 pages
Proc. SPIE 10357, Spintronics X, 103571Q (6 September 2017); doi: 10.1117/12.2273690
Show Author Affiliations
Gaspar Armelles, Instituto de Microelectrónica de Madrid (Spain)
Alfonso Cebollada, Instituto de Microelectrónica de Madrid (Spain)
Fernando García, Instituto de Microelectrónica de Madrid (Spain)
Lorena Torné, Instituto de Microelectrónica de Madrid (Spain)
María Luisa Dotor, Instituto de Microelectrónica de Madrid (Spain)

Published in SPIE Proceedings Vol. 10357:
Spintronics X
Henri-Jean Drouhin; Jean-Eric Wegrowe; Manijeh Razeghi; Henri Jaffrès, Editor(s)

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