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. 2011 Feb 4;106(5):057209.
doi: 10.1103/PhysRevLett.106.057209. Epub 2011 Feb 4.

Artificial kagome arrays of nanomagnets: a frozen dipolar spin ice

N Rougemaille  1 , F Montaigne, B Canals, A Duluard, D Lacour, M Hehn, R Belkhou, O Fruchart, S El Moussaoui, A Bendounan, F Maccherozzi
Affiliations

Artificial kagome arrays of nanomagnets: a frozen dipolar spin ice

N Rougemaille et al. Phys Rev Lett. .

Abstract

Magnetic frustration effects in artificial kagome arrays of nanomagnets are investigated using x-ray photoemission electron microscopy and Monte Carlo simulations. Spin configurations of demagnetized networks reveal unambiguous signatures of long range, dipolar interaction between the nanomagnets. As soon as the system enters the spin ice manifold, the kagome dipolar spin ice model captures the observed physics, while the short range kagome spin ice model fails.

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