Local control of superconductivity in a NbSe2/CrSBr van der Waals heterostructure

被引:9
|
作者
Jo, Junhyeon [1 ]
Peisen, Yuan [1 ]
Yang, Haozhe [1 ]
Manas-Valero, Samuel [2 ]
Baldovi, Jose J. [2 ]
Lu, Yao [3 ]
Coronado, Eugenio [2 ]
Casanova, Felix [1 ,4 ]
Bergeret, F. Sebastian [3 ,5 ]
Gobbi, Marco [3 ,4 ]
Hueso, Luis E. [1 ,4 ]
机构
[1] CIC nanoGUNE BRTA, Donostia San Sebastian, Spain
[2] Univ Valencia, Inst Ciencia Mol ICMol, Paterna, Spain
[3] Ctr Mixto CSIC UPV EHU, Ctr Fis Mat CFM MPC, E-20018 Donostia San Sebastian, Spain
[4] Basque Fdn Sci, IKERBASQUE, Bilbao, Spain
[5] Donostia Int Phys Ctr DIPC, E-20018 Donostia San Sebastian, Spain
基金
欧盟地平线“2020”;
关键词
D O I
10.1038/s41467-023-43111-7
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Two-dimensional magnets and superconductors are emerging as tunable building-blocks for quantum computing and superconducting spintronic devices, and have been used to fabricate all two-dimensional versions of traditional devices, such as Josephson junctions. However, novel devices enabled by unique features of two-dimensional materials have not yet been demonstrated. Here, we present NbSe2/CrSBr van der Waals superconducting spin valves that exhibit infinite magnetoresistance and nonreciprocal charge transport. These responses arise from a unique metamagnetic transition in CrSBr, which controls the presence of localized stray fields suitably oriented to suppress the NbSe2 superconductivity in nanoscale regions and to break time reversal symmetry. Moreover, by integrating different CrSBr crystals in a lateral heterostructure, we demonstrate a superconductive spin valve characterized by multiple stable resistance states. Our results show how the unique physical properties of layered materials enable the realization of high-performance quantum devices based on novel working principles.
引用
收藏
页数:7
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