Van Der Waals Heterostructures Based on Atomically‐Thin Superconductors
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Van Der Waals Heterostructures Based on Atomically‐Thin Superconductors

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Van Der Waals Heterostructures Based on Atomically‐Thin Superconductors

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dc.contributor.author Boix Constant, Carla
dc.contributor.author Mañas Valero, Samuel
dc.contributor.author Córdoba, Rosa
dc.contributor.author Coronado Miralles, Eugenio
dc.date.accessioned 2021-06-22T12:58:20Z
dc.date.available 2021-06-22T12:58:20Z
dc.date.issued 2021
dc.identifier.uri https://hdl.handle.net/10550/79798
dc.description.abstract Van der Waals heterostructures (vdWHs) allow the assembly of high‐crystalline 2D materials in order to explore dimensionality effects in strongly correlated systems and the emergence of potential new physical scenarios. In this work, the feasibility of integrating 2D materials in‐between 2D superconductors is illustrated. In particular, the fabrication and electrical characterization of vertical vdWHs based on air‐unstable atomically‐thin transition metal dichalcogenides formed by NbSe2/TaS2/NbSe2 stacks, with TaS2 being the insulator 1T‐TaS2 or the metal 2H‐TaS2, is presented. Phase transitions as 1T‐TaS2 charge density wave and NbSe2 superconductivity are detected. An enhancement of the vdWH resistance due to Andreev reflections is observed below the superconducting transition temperature of the NbSe2 flakes. Moreover, in the NbSe2 superconducting state, the field and temperature dependence of the normalized conductance is analyzed within the Dynes' model and the overall behavior is consistent with the Bardeen-Cooper-Schrieffer theory. This vdWH approach can be extended to other 2D materials, such as 2D magnets or topological insulators, with the aim of exploring the new emergent properties that may arise from such combinations.
dc.language.iso eng
dc.relation.ispartof Advanced Electronic Materials, 2021, num. 2000987, p. 1-7
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Boix Constant, Carla Mañas Valero, Samuel Córdoba, Rosa Coronado Miralles, Eugenio 2021 Van Der Waals Heterostructures Based on Atomically‐Thin Superconductors Advanced Electronic Materials 2000987 1 7
dc.subject Materials
dc.subject Conductivitat elèctrica
dc.title Van Der Waals Heterostructures Based on Atomically‐Thin Superconductors
dc.type info:eu-repo/semantics/article
dc.date.updated 2021-06-22T12:58:20Z
dc.identifier.doi https://doi.org/10.1002/aelm.202000987
dc.identifier.idgrec 146699
dc.embargo.terms 1 year
dc.embargo.liftdate 2022-04-25

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