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.
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CIC nanoGUNE BRTA, Donostia San Sebastian 20018, SpainCIC nanoGUNE BRTA, Donostia San Sebastian 20018, Spain
Jo, Junhyeon
Suarez-Rodriguez, Manuel
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CIC nanoGUNE BRTA, Donostia San Sebastian 20018, SpainCIC nanoGUNE BRTA, Donostia San Sebastian 20018, Spain
Suarez-Rodriguez, Manuel
Manas-Valero, Samuel
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Univ Valencia, Inst Ciencia Mol ICMol, Paterna 46980, Valencia, SpainCIC nanoGUNE BRTA, Donostia San Sebastian 20018, Spain
Manas-Valero, Samuel
Coronado, Eugenio
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Univ Valencia, Inst Ciencia Mol ICMol, Paterna 46980, Valencia, SpainCIC nanoGUNE BRTA, Donostia San Sebastian 20018, Spain
Coronado, Eugenio
Souza, Ivo
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Ctr Fis Mat CFM MPC, Ctr Mixto CSIC, UPV EHU, Donostia San Sebastian 20018, Spain
IKERBASQUE, Basque Fdn Sci, Bilbao 48009, SpainCIC nanoGUNE BRTA, Donostia San Sebastian 20018, Spain
Souza, Ivo
de Juan, Fernando
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IKERBASQUE, Basque Fdn Sci, Bilbao 48009, Spain
Donostia Int Phys Ctr DIPC, Donostia San Sebastian 20018, SpainCIC nanoGUNE BRTA, Donostia San Sebastian 20018, Spain
de Juan, Fernando
Casanova, Felix
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CIC nanoGUNE BRTA, Donostia San Sebastian 20018, Spain
IKERBASQUE, Basque Fdn Sci, Bilbao 48009, SpainCIC nanoGUNE BRTA, Donostia San Sebastian 20018, Spain
Casanova, Felix
Gobbi, Marco
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Ctr Fis Mat CFM MPC, Ctr Mixto CSIC, UPV EHU, Donostia San Sebastian 20018, Spain
IKERBASQUE, Basque Fdn Sci, Bilbao 48009, SpainCIC nanoGUNE BRTA, Donostia San Sebastian 20018, Spain
Gobbi, Marco
Hueso, Luis E.
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CIC nanoGUNE BRTA, Donostia San Sebastian 20018, Spain
IKERBASQUE, Basque Fdn Sci, Bilbao 48009, SpainCIC nanoGUNE BRTA, Donostia San Sebastian 20018, Spain