| CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES |
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Magnetic Nonreciprocity in a Hybrid Device of Asymmetric Artificial Spin-Ice-Superconductors |
| Chong Li1,2,3, Peiyuan Huang1,2,3, Chen-Guang Wang1,2,3, Haojie Li1, Yang-Yang Lyu1*, Wen-Cheng Yue1*, Zixiong Yuan1,2,3, Tianyu Li1,2,3, Xuecou Tu1,2, Tao Tao3, Sining Dong1,3, Liang He3, Xiaoqing Jia1, Guozhu Sun1,2, Lin Kang1, Huabing Wang1,2, Peiheng Wu1,2, and Yong-Lei Wang1,2,3* |
1Research Institute of Superconductor Electronics, Nanjing University, Nanjing 210093, China
2Purple Mountain Laboratories, Nanjing 211111, China
3National Key Laboratory of Spintronics, Nanjing University, Suzhou 215163, China
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| Cite this article: |
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Chong Li, Peiyuan Huang, Chen-Guang Wang et al 2024 Chin. Phys. Lett. 41 067402 |
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Abstract Controlling the size and distribution of potential barriers within a medium of interacting particles can unveil unique collective behaviors and innovative functionalities. We introduce a unique superconducting hybrid device using a novel artificial spin ice structure composed of asymmetric nanomagnets. This structure forms a distinctive superconducting pinning potential that steers unconventional motion of superconducting vortices, thereby inducing a magnetic nonreciprocal effect, in contrast to the electric nonreciprocal effect commonly observed in superconducting diodes. Furthermore, the polarity of the magnetic nonreciprocity is in situ reversible through the tunable magnetic patterns of artificial spin ice. Our findings demonstrate that artificial spin ice not only precisely modulates superconducting characteristics but also opens the door to novel functionalities, offering a groundbreaking paradigm for superconducting electronics.
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Received: 20 March 2024
Express Letter
Published: 21 May 2024
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| PACS: |
74.25.Qt
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74.25.Ha
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(Magnetic properties including vortex structures and related phenomena)
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85.25.-j
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(Superconducting devices)
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74.78.Na
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(Mesoscopic and nanoscale systems)
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