Dynamic behaviour in suspensions of magnetic nanoplatelets and their liquid crystalline hybrids

Hajnalka Nádasi; Alexey Eremin; Darja Lisjak; Patricija Hribar-Boštjančič; Frank Ludwig; Melvin Küster

doi:10.1117/12.3022290

18 June 2024 Dynamic behaviour in suspensions of magnetic nanoplatelets and their liquid crystalline hybrids

Hajnalka Nádasi, Alexey Eremin, Darja Lisjak, Patricija Hribar-Boštjančič, Frank Ludwig, Melvin Küster

Proceedings Volume 13016, Liquid Crystals Optics and Photonic Devices; 130160R (2024) https://doi.org/10.1117/12.3022290
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

Ferromagnetic liquid crystalline suspensions of scandium-doped barium hexaferrite (Sc-BaHF) nanoplatelets exhibit intricate magnetic dynamics and robust magnetic response, making them promising for use in novel magnetooptical devices. We explore magnetic dynamics, optical properties and self-assembly of these liquid magnets employing optical imaging and magnetic susceptometry in oscillating (AC) fields. The dynamics of the optical response and the formation of magnetohydrodynamic patterns in AC magnetic fields were studied using optical microscopy. The observations are discussed in the light of magnetic dynamics and orientational order.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Hajnalka Nádasi, Alexey Eremin, Darja Lisjak, Patricija Hribar-Boštjančič, Frank Ludwig, and Melvin Küster "Dynamic behaviour in suspensions of magnetic nanoplatelets and their liquid crystalline hybrids", Proc. SPIE 13016, Liquid Crystals Optics and Photonic Devices, 130160R (18 June 2024); https://doi.org/10.1117/12.3022290

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