Ferromagnetic, artificial quasicrystal pattern formed in a permalloy thin film.

From the article:

Controlled Magnetic Reversal in Permalloy Films Patterned into Artificial Quasicrystals
V. S. Bhat, J. Sklenar, B. Farmer, J. Woods, J. T. Hastings, S. J. Lee, J. B. Ketterson, and L. E. De Long
Phys. Rev. Lett. 111, 077201 (2013)

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