Magnetic Nonreciprocity in a Hybrid Device of Asymmetric Artificial Spin-Ice-Superconductors  

作　　者：李冲 黄培源 王晨光 李浩杰 吕阳阳 岳文诚 袁子雄 李甜雨 涂学凑 陶涛 董思宁 何亮 贾小氢 孙国柱 康琳 王华兵 吴培亨 王永磊 Chong Li;Peiyuan Huang;Chen-Guang Wang;Haojie Li;Yang-Yang Lyu;Wen-Cheng Yue;Zixiong Yuan;Tianyu Li;Xuecou Tu;Tao Tao;Sining Dong;Liang He;Xiaoqing Jia;Guozhu Sun;Lin Kang;Huabing Wang;Peiheng Wu;Yong-Lei Wang(Research Institute of Superconductor Electronics,Nanjing University,Nanjing 210093,China;Purple Mountain Laboratories,Nanjing 211111,China;National Key Laboratory of Spintronics,Nanjing University,Suzhou 215163,China)

机构地区：[1]Research Institute of Superconductor Electronics,Nanjing University,Nanjing 210093,China [2]Purple Mountain Laboratories,Nanjing 211111,China [3]National Key Laboratory of Spintronics,Nanjing University,Suzhou 215163,China

出　　处：《Chinese Physics Letters》2024年第6期119-127,共9页中国物理快报（英文版）

基　　金：supported by the National Natural Science Foundation of China(Grant Nos.62288101 and 62274086);the National Key R&D Program of China(Grant No.2021YFA0718802);the Jiangsu Outstanding Postdoctoral Program。

摘　　要：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.

关 键 词：artificial COLLECTIVE reciprocal 

分 类 号：O469[理学—凝聚态物理]