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Magnetically dependent plasmon drag in permalloy structures

Mohammad Shahabuddin, David W. Keene, Maxim Durach, Vladimir S. Posvyanskii, Vadim A. Atsarkin, and Natalia Noginova

Abstract

Significant photovoltages are observed in permalloy grating-like structures in response to pulsed laser light illumination. Electrical signals are enhanced at plasmon resonance conditions and show a clear dependence on the magnetic field with a characteristic hysteresis. Estimations show that the effect could not be explained solely by laser-induced heating. Alternative mechanisms are discussed.

© 2021 Optical Society of America

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Data Availability

Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request.

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