Magnetic-field-assisted deposition of self-assembling crystallite layers of Co-containing layered double hydroxides

Precipitation of nanocrystallites of cobalt-aluminium layered double hydroxides in a magnetic field has been studied. In a magnetic field perpendicular to the substrate, dense and homogeneous films have been obtained. Magnetic anisotropy of the crystallites is explained by deviation from the statist...

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Published in:Chemical communications (Cambridge, England) England), 2021-07, Vol.57 (56), p.6899-692
Main Authors: Vieira, Daniel E. L, Cardoso, João P. V, Fedorchenko, Alexey V, Fertman, Elena L, i már, Erik, Feher, Alexander, Babkin, Roman Yu, Pashkevich, Yurii G, Brett, Christopher M. A, Vieira, Joaquim M, Salak, Andrei N
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Summary:Precipitation of nanocrystallites of cobalt-aluminium layered double hydroxides in a magnetic field has been studied. In a magnetic field perpendicular to the substrate, dense and homogeneous films have been obtained. Magnetic anisotropy of the crystallites is explained by deviation from the statistical cation distribution in favour of honeycomb-like coordination of cobalt. Magnetic anisotropy of cobalt in the LDH crystallites is caused by clusters with honeycomb-type cation coordination of Co 2+ .
ISSN:1359-7345
1364-548X
DOI:10.1039/d1cc01599k