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| Format: | Preprint |
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2026
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| Online-Zugang: | https://arxiv.org/abs/2601.23024 |
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| _version_ | 1866910006184509440 |
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| author | Zhu, Weifan Yao, Jiamin Ling, Shuntianjiao Fu, Shanyin Xu, Yifu Xiong, Pengyue Zhang, Jiawen Xie, Mengwei Zhang, Yanan Chen, Ye Yuan, Huiqiu Lu, Xin Chen, Qing-Hu Liu, Yang |
| author_facet | Zhu, Weifan Yao, Jiamin Ling, Shuntianjiao Fu, Shanyin Xu, Yifu Xiong, Pengyue Zhang, Jiawen Xie, Mengwei Zhang, Yanan Chen, Ye Yuan, Huiqiu Lu, Xin Chen, Qing-Hu Liu, Yang |
| contents | Combining superconductivity with spintronics provides exciting opportunities to realize low-dissipation quantum devices. Here we report the synthesis, characterization and magnetotransport measurements of the Pb/Bi$_2$Sr$_2$CaCu$_2$O$_{8+δ}$ (BSCCO) superconducting heterostructures, where an insulating PbO$_{x}$ layer spontaneously forms at the interface. Non-volatile switching between superconducting (logical "0") and normal ("1") states in Pb films by an external field, i.e., infinite magnetoresistance (IMR), can be realized and are attributed to the strong trapping and pinning of vortices in BSCCO. Furthermore, butterfly-shaped hysteresis loops in magnetoresistance, pronounced resistance dips/jumps and thermal reset to superconducting states can be observed and are direct manifestations of the peculiar vortex dynamics in BSCCO and vortex coupling across the Pb/BSCCO interface. Our work demonstrates a simple and effective way to realize IMR through superconducting vortices and opens up new opportunities to study the vortex interactions across the superconducting interfaces. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_23024 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Infinite Magnetoresistance and Vortex Coupling in the Pb/BSCCO Heterostructure Zhu, Weifan Yao, Jiamin Ling, Shuntianjiao Fu, Shanyin Xu, Yifu Xiong, Pengyue Zhang, Jiawen Xie, Mengwei Zhang, Yanan Chen, Ye Yuan, Huiqiu Lu, Xin Chen, Qing-Hu Liu, Yang Superconductivity Materials Science Combining superconductivity with spintronics provides exciting opportunities to realize low-dissipation quantum devices. Here we report the synthesis, characterization and magnetotransport measurements of the Pb/Bi$_2$Sr$_2$CaCu$_2$O$_{8+δ}$ (BSCCO) superconducting heterostructures, where an insulating PbO$_{x}$ layer spontaneously forms at the interface. Non-volatile switching between superconducting (logical "0") and normal ("1") states in Pb films by an external field, i.e., infinite magnetoresistance (IMR), can be realized and are attributed to the strong trapping and pinning of vortices in BSCCO. Furthermore, butterfly-shaped hysteresis loops in magnetoresistance, pronounced resistance dips/jumps and thermal reset to superconducting states can be observed and are direct manifestations of the peculiar vortex dynamics in BSCCO and vortex coupling across the Pb/BSCCO interface. Our work demonstrates a simple and effective way to realize IMR through superconducting vortices and opens up new opportunities to study the vortex interactions across the superconducting interfaces. |
| title | Infinite Magnetoresistance and Vortex Coupling in the Pb/BSCCO Heterostructure |
| topic | Superconductivity Materials Science |
| url | https://arxiv.org/abs/2601.23024 |