Chong Li, Peiyuan Huang, Chen-Guang Wang, Haojie Li, Yang-Yang Lyu, Wen-Cheng Yue, Zixiong Yuan, Tianyu Li, X. Tu, Tao Tao, Sining Dong, Liang He, X. Jia, G. Sun, Lin Kang, Huabing Wang, Peiheng Wu, Yong-Lei Wang
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Magnetic nonreciprocity in a hybrid device of asymmetric artificial spin-ice-superconductors
Controlling the size and distribution of potential barriers within a medium of interacting particles can unveil unique collective behaviors and innovative functionalities. In this study, 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.
期刊介绍:
Chinese Physics Letters provides rapid publication of short reports and important research in all fields of physics and is published by the Chinese Physical Society and hosted online by IOP Publishing.