Frustration-induced magic number clusters of colloidal magnetic particles | Zendy

Larysa Baraban | Zendy; Denys Makarov | Zendy; M. Albrecht | Zendy; N. Rivier | Zendy; P. Leǐderer | Zendy; Artur Erbe | Zendy

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Frustration-induced magic number clusters of colloidal magnetic particles

Author(s) -

Larysa Baraban,

Denys Makarov,

M. Albrecht,

N. Rivier,

P. Leǐderer,

Artur Erbe

Publication year - 2008

Publication title -

physical review e

Language(s) - English

Resource type - Journals

eISSN - 1550-2376

pISSN - 1539-3755

DOI - 10.1103/physreve.77.031407

Subject(s) - frustration , mesoscopic physics , magic number (chemistry) , cluster (spacecraft) , condensed matter physics , magnetic moment , physics , magnetic nanoparticles , quantum mechanics , nanoparticle , electronic structure , computer science , programming language

We report the formation of stable two-dimensional clusters consisting of long-range-interacting colloidal particles with predefined magnetic moments. The symmetry and arrangement of the particles within the cluster are imposed by the magnetic frustration. By satisfying the criteria of stability, a series of magic number clusters is formed. The magic clusters are close packed and have compensating magnetic moments and chirality. Thus, the system can be regarded as a classical mesoscopic model for spin arrangements in two-dimensional triangular antiferromagnets, although the exact nature of the interactions between the macroscopic magnetic moments is different.

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