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Andreev reflection without Fermi surface alignment in high- T c van der Waals heterostructures

Author(s): Zareapour, Parisa; Hayat, Alex; Zhao, Shu Yang F; Kreshchuk, Michael; Xu, Zhijun; et al

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dc.contributor.authorZareapour, Parisa-
dc.contributor.authorHayat, Alex-
dc.contributor.authorZhao, Shu Yang F-
dc.contributor.authorKreshchuk, Michael-
dc.contributor.authorXu, Zhijun-
dc.contributor.authorLiu, TS-
dc.contributor.authorGu, GD-
dc.contributor.authorJia, Shuang-
dc.contributor.authorCava, Robert J-
dc.contributor.authorYang, H-Y-
dc.contributor.authorRan, Ying-
dc.contributor.authorBurch, Kenneth S-
dc.date.accessioned2022-01-25T14:47:49Z-
dc.date.available2022-01-25T14:47:49Z-
dc.date.issued2017-04-01en_US
dc.identifier.citationZareapour, Parisa, Hayat, Alex, Zhao, Shu Yang F, Kreshchuk, Michael, Xu, Zhijun, Liu, TS, Gu, GD, Jia, Shuang, Cava, Robert J, Yang, H-Y, Ran, Ying, Burch, Kenneth S. (2017). Andreev reflection without Fermi surface alignment in high- T c van der Waals heterostructures. New Journal of Physics, 19 (4), 043026 - 043026. doi:10.1088/1367-2630/aa6b8aen_US
dc.identifier.urihttp://arks.princeton.edu/ark:/88435/pr1z28f-
dc.description.abstractWe address the controversy over the proximity effect between topological materials and high-Tc superconductors. Junctions are produced between Bi2Sr2CaCu2O8+d and materials with different Fermi surfaces(Bi2Te3 and graphite). Both cases reveal tunneling spectra that are consistent with Andreev reflection. This is confirmed by a magnetic field that shifts features via the Doppler effect. This is modeled with a single parameter that accounts for tunneling into a screening supercurrent. Thus the tunneling involves Cooper pairs crossing the heterostructure, showing that the Fermi surface mismatch does not hinder the ability to form transparent interfaces, which is accounted for by the extended Brillouin zone and different lattice symmetries.en_US
dc.format.extent043026 - 043026en_US
dc.language.isoen_USen_US
dc.relation.ispartofNew Journal of Physicsen_US
dc.rightsFinal published version. This is an open access article.en_US
dc.titleAndreev reflection without Fermi surface alignment in high- T c van der Waals heterostructuresen_US
dc.typeJournal Articleen_US
dc.identifier.doidoi:10.1088/1367-2630/aa6b8a-
dc.date.eissued2017-04-28en_US
dc.identifier.eissn1367-2630-
pu.type.symplectichttp://www.symplectic.co.uk/publications/atom-terms/1.0/journal-articleen_US

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