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Perpendicular Magnetization and Generic Realization of the Ising Model in Artificial Spin Ice

Autor: Zhang, Sheng, Li, Jie, Gilbert, Ian, Bartell, Jason, Erickson, Michael J., Pan, Yu, Lammert, Paul E., Nisoli, Cristiano, Kohli, K. K., Misra, Rajiv, Crespi, Vincent H., Samarth, Nitin, Leighton, C., Schiffer, Peter

We have studied frustrated kagome arrays and unfrustrated honeycomb arrays of magnetostatically-interacting single-domain ferromagnetic islands with magnetization normal to the plane. The measured pairwise spin correlations of both lattices can be re

Externí odkaz: http://arxiv.org/abs/1207.1456

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Magneto-optical Kerr Effect Studies of Square Artificial Spin Ice

Autor: Kohli, K. K., Balk, Andrew L., Li, Jie, Zhang, Sheng, Gilbert, Ian, Lammert, Paul E., Crespi, Vincent H., Schiffer, Peter, Samarth, Nitin

Publikováno v: Phys. Rev. B 84, 180412(R) (2011)

We report a magneto-optical Kerr effect study of the collective magnetic response of artificial square spin ice, a lithographically-defined array of single-domain ferromagnetic islands. We find that the anisotropic inter-island interactions lead to a

Externí odkaz: http://arxiv.org/abs/1106.1394

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