Integrating magnetic heads with plasmonic nanostructures in multilayer configurations

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Öğüt, Erdem and Mengüç, M. Pınar and Şendur, Kürşat (2013) Integrating magnetic heads with plasmonic nanostructures in multilayer configurations. IEEE Transactions on Magnetics, 49 (7). pp. 3687-3690. ISSN 0018-9464

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Official URL: http://dx.doi.org/10.1109/TMAG.2013.2247982


Heat-assisted magnetic recording (HAMR) is an emerging technology that has increased the areal density of conventional recording techniques for hard disc drives. Integrated heads have enabled this increase through localized heating of the recording media during the recording process. One of the problems in integrating magnetic heads with plasmonic nanotransducers is the resulting losses. In this study, multilayer configurations with gold thin-films near magnetic thin-films are investigated to minimize radiative and load-induced losses. The effect of load-induced damping of the magnetic film and evanescent coupling is identified with the intensity enhancement near the magnetic films. It is shown that a higher intensity enhancement can be obtained by minimizing radiative and load-induced losses through adjusting layer thicknesses in multilayer configurations.

Item Type:Article
Uncontrolled Keywords:Integrated heads; magnetic thin-films; nanotransducers; plasmonics
ID Code:21828
Deposited By:Kürşat Şendur
Deposited On:03 Oct 2013 15:00
Last Modified:01 Aug 2019 10:59

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