Nanoscale control of competing interactions and geometrical frustration in a dipolar trident lattice

Alan Farhan*, Charlotte F. Petersen, Scott Dhuey, Luca Anghinolfi, Qi Hang Qin, Michael Saccone, Sven Velten, Clemens Wuth, Sebastian Gliga, Paula Mellado, Mikko J. Alava, Andreas Scholl, Sebastiaan Van Dijken

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

31 Citations (Scopus)
188 Downloads (Pure)


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.

Original languageEnglish
Article number1238
Pages (from-to)1-7
JournalNature Communications
Issue number1
Publication statusPublished - 1 Dec 2017
MoE publication typeA1 Journal article-refereed


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