{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["27(4)"],"submitter":["Grimaldi G"],"funding":["European Cooperation in Science and Technology","MIUR","Eni SpA"],"pubmed_abstract":["Discovery of iron-based superconductors paved the way to a competitor of high-temperature superconductors, easier to produce, better performing in high fields, and promising to be less expensive. Critical parameters are investigated by resistivity measurements as a function of temperature, field, and angle <i>R</i>(<i>T,H,θ</i>). This work presents a deep analysis of <i>H</i>-<i>θ</i> phase diagram of PLD-processed Fe(Se,Te) superconducting films, thus revealing material and pinning anisotropy at once. By selecting different thresholds along the <i>R</i>(<i>T,H,θ</i>) curves, all possible regimes emerge. Surprisingly, anisotropy arises moving from the upper critical field toward the irreversibility line: gradually a non-monotonous transition from 3D to 2D, and backward to 3D occurs. Although Fe(Se,Te) appears as a 3D superconductor, its anisotropic pinning landscape shows up similarities with an intrinsic layered superconductor and Fe(Se,Te) definitively mimics YBCO. We propose a general method to disentangle, in any other superconductor, material dimensionality and pinning anisotropy that are key constraints for applications."],"journal":["iScience"],"pagination":["109422"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10966314"],"repository":["biostudies-literature"],"pubmed_title":["Unveiling intrinsic material and extrinsic pinning dimensionality in superconductors: Why Fe(Se,Te) is able to mimic YBCO."],"pmcid":["PMC10966314"],"pubmed_authors":["Rizzo F","Grimaldi G","Braccini V","Leo A","Nigro A","Augieri A","Iebole M","Polichetti M","Scuderi M","Celentano G","Galluzzi A","Khan MR"],"additional_accession":[]},"is_claimable":false,"name":"Unveiling intrinsic material and extrinsic pinning dimensionality in superconductors: Why Fe(Se,Te) is able to mimic YBCO.","description":"Discovery of iron-based superconductors paved the way to a competitor of high-temperature superconductors, easier to produce, better performing in high fields, and promising to be less expensive. Critical parameters are investigated by resistivity measurements as a function of temperature, field, and angle <i>R</i>(<i>T,H,θ</i>). This work presents a deep analysis of <i>H</i>-<i>θ</i> phase diagram of PLD-processed Fe(Se,Te) superconducting films, thus revealing material and pinning anisotropy at once. By selecting different thresholds along the <i>R</i>(<i>T,H,θ</i>) curves, all possible regimes emerge. Surprisingly, anisotropy arises moving from the upper critical field toward the irreversibility line: gradually a non-monotonous transition from 3D to 2D, and backward to 3D occurs. Although Fe(Se,Te) appears as a 3D superconductor, its anisotropic pinning landscape shows up similarities with an intrinsic layered superconductor and Fe(Se,Te) definitively mimics YBCO. We propose a general method to disentangle, in any other superconductor, material dimensionality and pinning anisotropy that are key constraints for applications.","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Apr","modification":"2025-04-04T23:52:52.799Z","creation":"2025-04-04T23:52:52.799Z"},"accession":"S-EPMC10966314","cross_references":{"pubmed":["38544568"],"doi":["10.1016/j.isci.2024.109422"]}}