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Flexible magnetostrictive nanocellulose membranes for actuation, sensing, and energy harvesting applicationsAuthor(s): Aleksey Yermakov; Andrew Thompson; Christopher Coaty; Ronald Sabo; Chiu Tai Law; Rani Elhajjar
Source: Frontiers in Materials. 7: 1. https://doi.org/10.3389/fmats.2020.00038
Publication Series: Scientific Journal (JRNL)
Station: Forest Products Laboratory
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DescriptionMagnetostrictive composite known as magnetostrictive nanocellulose membrances (MNMs) were fabricated by embedding Terfeonol-D particles into cellulose nanofibers (CNFs). MNMs inherit flexibility and biodegradability from CNF while exhibiting magnetomechanical responses; as such, the valuable rare-earth (Terfenol-D) particles can be recycled. Various orientations of the Terfenol-D particles were induced in the MNMs, and those with in-plane alignment showed the strongest magnetostrictive effect but the lowest Villari effect. Materials with such a unique combination of properties dovetail nicely with Internet of Things that require ubiquitous sensing, actuation, and energy harvesting in one package.
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CitationYermakov, Aleksey; Thompson, Andrew; Coaty, Christopher; Sabo, Ronald; Law, Chiu Tai; Elhajjar, Rani. 2020. Flexible magnetostrictive nanocellulose membranes for actuation, sensing, and energy harvesting applications. Frontiers in Materials. 7: 1. https://doi.org/10.3389/fmats.2020.00038.
KeywordsMagnetostrictive composite, cellulose nanofiber, terfenol-D, Villari effect, magnetostriction
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