{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["7(40)"],"submitter":["Mikheev E"],"pubmed_abstract":["Superconductivity in SrTiO<sub>3</sub> occurs at remarkably low carrier densities and therefore, unlike conventional superconductors, can be controlled by electrostatic gates. Here, we demonstrate nanoscale weak links connecting superconducting leads, all within a single material, SrTiO<sub>3</sub>. Ionic liquid gating accumulates carriers in the leads, and local electrostatic gates are tuned to open the weak link. These devices behave as superconducting quantum point contacts with a quantized critical supercurrent. This is a milestone toward establishing SrTiO<sub>3</sub> as a single-material platform for mesoscopic superconducting transport experiments that also intrinsically contains the necessary ingredients to engineer topological superconductivity."],"journal":["Science advances"],"pagination":["eabi6520"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10938545"],"repository":["biostudies-literature"],"pubmed_title":["Quantized critical supercurrent in SrTiO<sub>3</sub>-based quantum point contacts."],"pmcid":["PMC10938545"],"pubmed_authors":["Mikheev E","Goldhaber-Gordon D","Rosen IT"],"additional_accession":[]},"is_claimable":false,"name":"Quantized critical supercurrent in SrTiO<sub>3</sub>-based quantum point contacts.","description":"Superconductivity in SrTiO<sub>3</sub> occurs at remarkably low carrier densities and therefore, unlike conventional superconductors, can be controlled by electrostatic gates. Here, we demonstrate nanoscale weak links connecting superconducting leads, all within a single material, SrTiO<sub>3</sub>. Ionic liquid gating accumulates carriers in the leads, and local electrostatic gates are tuned to open the weak link. These devices behave as superconducting quantum point contacts with a quantized critical supercurrent. This is a milestone toward establishing SrTiO<sub>3</sub> as a single-material platform for mesoscopic superconducting transport experiments that also intrinsically contains the necessary ingredients to engineer topological superconductivity.","dates":{"release":"2021-01-01T00:00:00Z","publication":"2021 Oct","modification":"2026-07-05T03:13:38.965Z","creation":"2026-07-05T03:12:07.022Z"},"accession":"S-EPMC10938545","cross_references":{"pubmed":["34597141"],"doi":["10.1126/sciadv.abi6520"]}}