Perpendicular magnetization and generic realization of the ising model in artificial spin ice

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

doi:10.1103/PhysRevLett.109.087201

Perpendicular magnetization and generic realization of the ising model in artificial spin ice

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

Research output: Contribution to journal › Article › peer-review

63 Scopus citations

Abstract

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 reproduced by models based solely on nearest-neighbor correlations. The kagome array has qualitatively different magnetostatics but identical lattice topology to previously studied artificial spin ice systems composed of in-plane moments. The two systems show striking similarities in the development of moment pair correlations, demonstrating a universality in artificial spin ice behavior independent of specific realization in a particular material system.

Original language	English (US)
Article number	087201
Journal	Physical review letters
Volume	109
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevLett.109.087201
State	Published - Aug 21 2012
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.109.087201

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Zhang, S., Li, J., Gilbert, I., Bartell, J., Erickson, M. J., Pan, Y., Lammert, P. E., Nisoli, C., Kohli, K. K., Misra, R., Crespi, V. H., Samarth, N., Leighton, C., & Schiffer, P. (2012). Perpendicular magnetization and generic realization of the ising model in artificial spin ice. Physical review letters, 109(8), Article 087201. https://doi.org/10.1103/PhysRevLett.109.087201

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abstract = "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 reproduced by models based solely on nearest-neighbor correlations. The kagome array has qualitatively different magnetostatics but identical lattice topology to previously studied artificial spin ice systems composed of in-plane moments. The two systems show striking similarities in the development of moment pair correlations, demonstrating a universality in artificial spin ice behavior independent of specific realization in a particular material system.",

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doi = "10.1103/PhysRevLett.109.087201",

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AU - Zhang, Sheng

AU - Li, Jie

AU - Gilbert, Ian

AU - Bartell, Jason

AU - Erickson, Michael J.

AU - Pan, Yu

AU - Lammert, Paul E.

AU - Nisoli, Cristiano

AU - Kohli, K. K.

AU - Misra, Rajiv

AU - Crespi, Vincent H.

AU - Samarth, Nitin

AU - Leighton, C.

AU - Schiffer, Peter

PY - 2012/8/21

Y1 - 2012/8/21

N2 - 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 reproduced by models based solely on nearest-neighbor correlations. The kagome array has qualitatively different magnetostatics but identical lattice topology to previously studied artificial spin ice systems composed of in-plane moments. The two systems show striking similarities in the development of moment pair correlations, demonstrating a universality in artificial spin ice behavior independent of specific realization in a particular material system.

AB - 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 reproduced by models based solely on nearest-neighbor correlations. The kagome array has qualitatively different magnetostatics but identical lattice topology to previously studied artificial spin ice systems composed of in-plane moments. The two systems show striking similarities in the development of moment pair correlations, demonstrating a universality in artificial spin ice behavior independent of specific realization in a particular material system.

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Perpendicular magnetization and generic realization of the ising model in artificial spin ice

Abstract

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