Tuning magnetic frustration of nanomagnets in triangular-lattice geometry

Xianglin Ke, Jie Li, Sheng Zhang, Cristiano Nisoli, Vincent Henry Crespi, Peter Schiffer

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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 ratios 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.

Original languageEnglish (US)
Article number252504
JournalApplied Physics Letters
Issue number25
StatePublished - Dec 1 2008


All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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