Nanoscale control of competing interactions and geometrical frustration in a dipolar trident lattice
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A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
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Date
2017-12-01
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en
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Nature Communications, Volume 8, issue 1
Abstract
Geometrical frustration occurs when entities in a system, subject to given lattice constraints, are hindered to simultaneously minimize their local interactions. In magnetism, systems incorporating geometrical frustration are fascinating, as their behavior is not only hard to predict, but also leads to the emergence of exotic states of matter. Here, we provide a first look into an artificial frustrated system, the dipolar trident lattice, where the balance of competing interactions between nearest-neighbor magnetic moments can be directly controlled, thus allowing versatile tuning of geometrical frustration and manipulation of ground state configurations. Our findings not only provide the basis for future studies on the low-temperature physics of the dipolar trident lattice, but also demonstrate how this frustration-by-design concept can deliver magnetically frustrated metamaterials.Description
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Farhan, A, Petersen, C F, Dhuey, S, Anghinolfi, L, Qin, Q H, Saccone, M, Velten, S, Wuth, C, Gliga, S, Mellado, P, Alava, M J, Scholl, A & Van Dijken, S 2017, ' Nanoscale control of competing interactions and geometrical frustration in a dipolar trident lattice ', Nature Communications, vol. 8, no. 1, 1238, pp. 1-7 . https://doi.org/10.1038/s41467-017-01238-4
