Critical Role of Electrical Resistivity in Magnetoionics
نویسندگان
چکیده
The utility of electrical resistivity as an indicator magnetoionic performance in stoichiometrically and structurally similar thin-film systems is demonstrated. A series highly nanocrystalline cobalt nitride ($\mathrm{Co}\text{\ensuremath{-}}\mathrm{N}$) thin films (85 nm thick) with a broad range properties exhibit markedly different behaviors. Semiconducting, near stoichiometric $\mathrm{Co}\mathrm{N}$ show the best performance, better than their metallic insulating counterparts. Resistivity reflects interplay between atomic bonding, carrier localization, structural defects, turn determines strength distribution applied electric fields inside actuated films. This fact, generally overlooked, reveals that can be used to quickly evaluate potential system optimal effects, while also opening interesting challenges.
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ژورنال
عنوان ژورنال: Physical review applied
سال: 2021
ISSN: ['2331-7043', '2331-7019']
DOI: https://doi.org/10.1103/physrevapplied.16.034042