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Dynamically tunable lamellar surface structures from magnetoactive elastomers driven by a uniform magnetic field

  • Stimuli responsive materials are key ingredients for any application that requires dynamically tunable or on-demand responses. In this work we report experimental and theoretical investigation of magnetic-field driven modifications of soft-magnetic elastomers whose surface was processed by laser ablation into lamellar microstructures that can be manipulated by a uniform magnetic field. We present a minimal hybrid model that elucidates the associated deflection process of the lamellae and explains the lamellar structure frustration in terms of dipolar magnetic forces arising from the neighbouring lamellae. We experimentally determine the magnitude of the deflection as a function of magnetic flux density and explore the dynamic response of lamellae to fast changes in a magnetic field. A relationship between the deflection of lamellae and modifications of the optical reflectance of the lamellar structures is resolved.

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Metadaten
Author:Izidor Straus, Gašper Kokot, Gaia Kravanja, Luka Hribar, Raphael Kriegl, Mikhail Shamonin (Chamonine)ORCiDGND, Matija Jezeršek, Irena Drevenšek-OlenikORCiD
DOI:https://doi.org/10.1039/D3SM00012E
Parent Title (English):Soft Matter
Publisher:Royal Society of Chemistry
Document Type:Article
Language:English
Year of first Publication:2023
Release Date:2023/06/19
Tag:Intelligente Materialien
Volume:Vol. 19
First Page:3357
Last Page:3365
Institutes:Fakultät Elektro- und Informationstechnik
Fakultät Elektro- und Informationstechnik / Labor Intelligente Materialien und Strukturen
Begutachtungsstatus:peer-reviewed
research focus:Produktion und Systeme
OpenAccess Publikationsweg:Hybrid Open Access - OA-Veröffentlichung in einer Subskriptionszeitschrift/-medium
Licence (German):Creative Commons - CC BY - Namensnennung 4.0 International