Reconfigurable Pinwheel Artificial-Spin-Ice and Superconductor Hybrid Device
- 30 November 2020
- journal article
- research article
- Published by American Chemical Society (ACS) in Nano Letters
- Vol. 20 (12), 8933-8939
- https://doi.org/10.1021/acs.nanolett.0c04093
Abstract
The ability to control the potential landscape in a medium of interacting particles could lead to intriguing collective behavior and innovative functionalities. Here, we utilize spatially reconfigurable magnetic potentials of a pinwheel artificial-spin-ice (ASI) structure to tailor the motion of superconducting vortices. The reconstituted chain structures of the magnetic charges in the pinwheel ASI and the strong interaction between magnetic charges and superconducting vortices allow significant modification of the transport properties of the underlying superconducting thin film, resulting in a reprogrammable resistance state that enables a reversible and switchable vortex Hall effect. Our results highlight an effective and simple method of using ASI as an in situ reconfigurable nanoscale energy landscape to design reprogrammable superconducting electronics, which could also be applied to the in situ control of properties and functionalities in other magnetic particle systems, such as magnetic skyrmions.Funding Information
- Ministry of Science and Technology of the People's Republic of China (2018YFA0209002)
- Government of Jiangsu Province
- National Natural Science Foundation of China (11961141002, 61727805, 61771235, 61971464)
- Division of Materials Research (DMR-1901843)
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