Realizing three-dimensional artificial spin ice by stacking planar nanoarrays
arXiv:1311.1584 · doi:10.1063/1.4861118
Abstract
Artificial spin ice is a frustrated magnetic two-dimensional nano-material, recently employed to study variety of tailor-designed unusual collective behaviours. Recently proposed extensions to three dimensions are based on self-assembly techniques and allow little control over geometry and disorder. We present a viable design for the realization of a three-dimensional artificial spin ice with the same level of precision and control allowed by lithographic nano-fabrication of the popular two-dimensional case. Our geometry is based on layering already available two-dimensional artificial spin ice and leads to an arrangement of ice-rule-frustrated units which is topologically equivalent to that of the tetrahedra in a pyrochlore lattice. Consequently, we show, it exhibits a genuine ice phase and its excitations are, as in natural spin ice materials, magnetic monopoles interacting via Coulomb law.
5 pages, 5 figures
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- Spectral-fingerprinting: Microstate readout via remanence ferromagnetic resonance in artificial spin systems
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- Functional colloidal micro-sieves assembled and guided above a channel-free magnetic striped film
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- Magnetic order in nanoscale gyroid networks
- Topology by Design in Magnetic nano-Materials: Artificial Spin Ice
- Probing topological properties of 3D lattice dimer model with neural networks
- Energetic analysis of disorder effects in an artificial spin ice with dipolar interactions
- Hopfions in lattice dimer model
- Topological geometric frustration in a cube-surface artificial spin ice