Tailoring Spin-Wave Channels in a Reconfigurable Artificial Spin Ice
Abstract
Artificial spin ices are ensembles of geometrically arranged interacting nanomagnets that have shown promising potential for the realization of reconfigurable magnonic crystals. Such systems allow for the manipulation of spin waves on the nanoscale and their potential use as information carriers. However, there are presently two general obstacles to the realization of artificial spin-ice-based magnonic crystals: the magnetic state of artificial spin ices is difficult to reconfigure and the magnetostatic interactions between the nanoislands are often weak, preventing mode coupling. We demonstrate, using micromagnetic modeling, that coupling a reconfigurable artificial spin-ice geometry made of weakly interacting nanomagnets to a soft magnetic underlayer creates a complex system exhibiting dynamically coupled modes. These give rise to spin-wave channels in the underlayer at well-defined frequencies, based on the artificial spin-ice magnetic state, which can be reconfigured. Finally, these findings open the door to the realization of reconfigurable magnonic crystals with potential applications for data transport and processing in magnonic-based logic architectures.
- Authors:
-
- Northumbria Univ., Newcastle upon Tyne (United Kingdom); Univ. of Colorado, Boulder, CO (United States)
- Paul Scherrer Inst. (PSI), Villigen (Switzerland); Univ. of Glasgow, Scotland (United Kingdom)
- Argonne National Lab. (ANL), Argonne, IL (United States); Northwestern Univ., Evanston, IL (United States)
- Publication Date:
- Research Org.:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division; European Union Horizon 2020 Research and Innovation Programme
- OSTI Identifier:
- 1617654
- Alternate Identifier(s):
- OSTI ID: 1615162
- Grant/Contract Number:
- AC02-06CH11357; 708674
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review Applied
- Additional Journal Information:
- Journal Volume: 13; Journal Issue: 4; Journal ID: ISSN 2331-7019
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 25 ENERGY STORAGE; magnonic crystals; spin dynamics; spin waves; spintronics; spin ice; thin films; waveguides; micromagnetic modeling
Citation Formats
Iacocca, Ezio, Gliga, Sebastian, and Heinonen, Olle G. Tailoring Spin-Wave Channels in a Reconfigurable Artificial Spin Ice. United States: N. p., 2020.
Web. doi:10.1103/PhysRevApplied.13.044047.
Iacocca, Ezio, Gliga, Sebastian, & Heinonen, Olle G. Tailoring Spin-Wave Channels in a Reconfigurable Artificial Spin Ice. United States. https://doi.org/10.1103/PhysRevApplied.13.044047
Iacocca, Ezio, Gliga, Sebastian, and Heinonen, Olle G. Fri .
"Tailoring Spin-Wave Channels in a Reconfigurable Artificial Spin Ice". United States. https://doi.org/10.1103/PhysRevApplied.13.044047. https://www.osti.gov/servlets/purl/1617654.
@article{osti_1617654,
title = {Tailoring Spin-Wave Channels in a Reconfigurable Artificial Spin Ice},
author = {Iacocca, Ezio and Gliga, Sebastian and Heinonen, Olle G.},
abstractNote = {Artificial spin ices are ensembles of geometrically arranged interacting nanomagnets that have shown promising potential for the realization of reconfigurable magnonic crystals. Such systems allow for the manipulation of spin waves on the nanoscale and their potential use as information carriers. However, there are presently two general obstacles to the realization of artificial spin-ice-based magnonic crystals: the magnetic state of artificial spin ices is difficult to reconfigure and the magnetostatic interactions between the nanoislands are often weak, preventing mode coupling. We demonstrate, using micromagnetic modeling, that coupling a reconfigurable artificial spin-ice geometry made of weakly interacting nanomagnets to a soft magnetic underlayer creates a complex system exhibiting dynamically coupled modes. These give rise to spin-wave channels in the underlayer at well-defined frequencies, based on the artificial spin-ice magnetic state, which can be reconfigured. Finally, these findings open the door to the realization of reconfigurable magnonic crystals with potential applications for data transport and processing in magnonic-based logic architectures.},
doi = {10.1103/PhysRevApplied.13.044047},
journal = {Physical Review Applied},
number = 4,
volume = 13,
place = {United States},
year = {Fri Apr 17 00:00:00 EDT 2020},
month = {Fri Apr 17 00:00:00 EDT 2020}
}
Web of Science
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