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dc.contributor.authorKamlapure, A.en
dc.contributor.authorCornils, L.en
dc.contributor.authorŽitko, R.en
dc.contributor.authorValentyuk, M.en
dc.contributor.authorMozara, R.en
dc.contributor.authorPradhan, S.en
dc.contributor.authorFransson, J.en
dc.contributor.authorLichtenstein, A. I.en
dc.contributor.authorWiebe, J.en
dc.contributor.authorWiesendanger, R.en
dc.date.accessioned2022-05-12T08:17:26Z-
dc.date.available2022-05-12T08:17:26Z-
dc.date.issued2021-
dc.identifier.citationCorrelation of Yu-Shiba-Rusinov States and Kondo Resonances in Artificial Spin Arrays on an s-Wave Superconductor / A. Kamlapure, L. Cornils, R. Žitko et al. // Nano Letters. — 2021. — Vol. 21. — Iss. 16. — P. 6748-6755.en
dc.identifier.issn1530-6984-
dc.identifier.otherAll Open Access, Hybrid Gold, Green3
dc.identifier.urihttp://elar.urfu.ru/handle/10995/111392-
dc.description.abstractMutually interacting magnetic atoms coupled to a superconductor have gained enormous interest due to their potential for the realization of topological superconductivity. Individual magnetic impurities produce states within the superconducting energy gap known as Yu-Shiba-Rusinov (YSR) states. Here, using the tip of a scanning tunneling microscope, we artificially craft spin arrays consisting of an Fe adatom interacting with an assembly of interstitial Fe atoms (IFA) on a superconducting oxygen-reconstructed Ta(100) surface and show that the magnetic interaction between the adatom and the IFA assembly can be tuned by adjusting the number of IFAs in the assembly. The YSR state experiences a characteristic crossover in its energetic position and particle-hole spectral weight asymmetry when the Kondo resonance shows spectral depletion around the Fermi energy. By the help of slave-boson mean-field theory (SBMFT) and numerical renormalization group (NRG) calculations we associate the crossover with the transition from decoupled Kondo singlets to an antiferromagnetic ground state of the Fe adatom spin and the IFA assembly effective spin. © 2021 The Authors. Published by American Chemical Society.en
dc.description.sponsorshipThe authors thank Markus Ternes for fruitful discussions. This work was supported by the European Research Council Advanced Grant ADMIRE (Project 786020). R.W. and J.W. acknowledge funding by the Cluster of Excellence “Advanced Imaging of Matter” (EXC 2056, Project 390715994) as well as by the SFB 925-B9 “Light induced dynamics and control of correlated quantum systems” of the Deutsche Forschungsgemeinschaft (DFG). R.Ž. acknowledges support by the Slovenian Research Agency (ARRS) under Program P1-0044. M.V. and R.M. acknowledge financial support from the Deutsche Forschungsgemeinschaft (DFG) through Projects SFB668-A3 and -A1 and from the European Union’s Horizon 2020 research and innovation program under Grant Agreement 696656—GrapheneCore1. The work of M.V. was additionally funded through 2019 Equal Opportunity Fund of University of Hamburg. The DFT computations were performed with resources provided by the North-German Supercomputing Alliance (HLRN). S.P. and J.F thank Stiftelsen Olle Engqvist Byggmästare and Vetenskapsrådet for financial support.en
dc.format.mimetypeapplication/pdfen
dc.language.isoenen
dc.publisherAmerican Chemical Societyen1
dc.publisherAmerican Chemical Society (ACS)en
dc.rightsinfo:eu-repo/semantics/openAccessen
dc.sourceNano Lett.2
dc.sourceNano Lettersen
dc.subjectARTIFICIAL SPIN ARRAYSen
dc.subjectATOM MANIPULATIONen
dc.subjectKONDO RESONANCEen
dc.subjectSCANNING TUNNELING SPECTROSCOPYen
dc.subjectYU-SHIBA-RUSINOV STATESen
dc.subjectADATOMSen
dc.subjectGROUND STATEen
dc.subjectIRON METALLOGRAPHYen
dc.subjectMAGNETISMen
dc.subjectMEAN FIELD THEORYen
dc.subjectSHEAR WAVESen
dc.subjectSTATISTICAL MECHANICSen
dc.subjectSUPERCONDUCTING MATERIALSen
dc.subjectTANTALUM METALLOGRAPHYen
dc.subjectANTIFERROMAGNETIC GROUND STATEen
dc.subjectENERGETIC POSITIONen
dc.subjectKONDO RESONANCESen
dc.subjectMAGNETIC IMPURITYen
dc.subjectMAGNETIC INTERACTIONSen
dc.subjectNUMERICAL RENORMALIZATION GROUPSen
dc.subjectSPECTRAL WEIGHTen
dc.subjectSUPERCONDUCTING ENERGY GAPen
dc.subjectIRONen
dc.titleCorrelation of Yu-Shiba-Rusinov States and Kondo Resonances in Artificial Spin Arrays on an s-Wave Superconductoren
dc.typeArticleen
dc.typeinfo:eu-repo/semantics/articleen
dc.typeinfo:eu-repo/semantics/publishedVersionen
dc.identifier.rsi47010722-
dc.identifier.doi10.1021/acs.nanolett.1c00387-
dc.identifier.scopus85113485221-
local.contributor.employeeKamlapure, A., Department of Physics, University of Hamburg, Jungiusstrasse 11, Hamburg, D-20355, Germany; Cornils, L., Department of Physics, University of Hamburg, Jungiusstrasse 11, Hamburg, D-20355, Germany; Žitko, R., Jožef Stefan Institute, Jamova 39, Ljubljana, SI-1000, Slovenia, Faculty of Mathematics and Physics, University of Ljubljana, Jadranska 19, Ljubljana, SI-1000, Slovenia; Valentyuk, M., Department of Physics, University of Hamburg, Jungiusstrasse 11, Hamburg, D-20355, Germany, Department of Theoretical Physics and Applied Mathematics, Ural Federal University, 19 Mira Street, Yekaterinburg, 620002, Russian Federation; Mozara, R., Department of Physics, University of Hamburg, Jungiusstrasse 11, Hamburg, D-20355, Germany; Pradhan, S., Department of Physics and Astronomy, Uppsala University, P.O. Box 516, Uppsala, SE-751 21, Sweden; Fransson, J., Department of Physics and Astronomy, Uppsala University, P.O. Box 516, Uppsala, SE-751 21, Sweden; Lichtenstein, A.I., Department of Physics, University of Hamburg, Jungiusstrasse 11, Hamburg, D-20355, Germany, Department of Theoretical Physics and Applied Mathematics, Ural Federal University, 19 Mira Street, Yekaterinburg, 620002, Russian Federation; Wiebe, J., Department of Physics, University of Hamburg, Jungiusstrasse 11, Hamburg, D-20355, Germany; Wiesendanger, R., Department of Physics, University of Hamburg, Jungiusstrasse 11, Hamburg, D-20355, Germanyen
local.description.firstpage6748-
local.description.lastpage6755-
local.issue16-
local.volume21-
dc.identifier.wos000691792400004-
local.contributor.departmentDepartment of Physics, University of Hamburg, Jungiusstrasse 11, Hamburg, D-20355, Germany; Jožef Stefan Institute, Jamova 39, Ljubljana, SI-1000, Slovenia; Faculty of Mathematics and Physics, University of Ljubljana, Jadranska 19, Ljubljana, SI-1000, Slovenia; Department of Theoretical Physics and Applied Mathematics, Ural Federal University, 19 Mira Street, Yekaterinburg, 620002, Russian Federation; Department of Physics and Astronomy, Uppsala University, P.O. Box 516, Uppsala, SE-751 21, Swedenen
local.identifier.pure23690087-
local.identifier.eid2-s2.0-85113485221-
local.fund.cordisH2020: 696656-
local.identifier.wosWOS:000691792400004-
local.identifier.pmid34351781-
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