Tuning magnetic frustration of nanomagnets in triangular-lattice geometry

Details Tuning magnetic frustration of nanomagnets in triangular-lattice geometry Tuning magnetic frustration of nanomagnets in triangular-lattice geometry

2008-12-24

arxiv.org/abs/0812.4468v1

Appl. Phys. Lett. 93, 252504 (2008)

Physics

Condensed Matter

Materials Science

Scientific paper

10.1063/1.3043687

We study the configuration of magnetic moments on triangular lattices of single-domain ferromagnetic islands, examining the consequences of magnetostatic interactions in this frustrated geometry. By varying the island-island distance along one direction, we are able to tune the ratio of different interactions between neighboring islands, resulting in a corresponding variation in the local correlations between the island moments. Unlike other artificial frustrated magnets, this lattice geometry displays regions of ordered moment orientation, possibly resulting from a higher degree of anisotropy leading to a reduced level of frustration.

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