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Issue 15, 2019

Manifestation of dipole-induced disorder in self-assembly of ferroelectric and ferromagnetic nanocubes

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Abstract

The colloidal processing of nearly monodisperse and highly crystalline single-domain ferroelectric or ferromagnetic nanocubes is a promising route to produce superlattice structures for integration into next-generation devices, whereas controlling the local behaviour of nanocrystals is imperative for fabricating highly-ordered assemblies. The current picture of nanoscale polarization in individual nanocrystals suggests a potential presence of a significant dipolar interaction, but its role in the condensation of nanocubes is unknown. We simulate the self-assembly of colloidal dipolar nanocubes under osmotic compression and perform the microstructural characterization of their densified ensembles. Our results indicate that the long-range positional and orientational correlations of perovskite nanocubes are highly sensitive to the presence of dipoles.

Graphical abstract: Manifestation of dipole-induced disorder in self-assembly of ferroelectric and ferromagnetic nanocubes

Supplementary files

Article information


Submitted
23 Jan 2019
Accepted
15 Mar 2019
First published
19 Mar 2019

Nanoscale, 2019,11, 7293-7303
Article type
Paper

Manifestation of dipole-induced disorder in self-assembly of ferroelectric and ferromagnetic nanocubes

D. Zablotsky, L. L. Rusevich, G. Zvejnieks, V. Kuzovkov and E. Kotomin, Nanoscale, 2019, 11, 7293 DOI: 10.1039/C9NR00708C

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