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Resolving ambiguity of the Kondo temperature determination in mechanically tunable single-molecule Kondo systems
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SYSNO ASEP 0549100 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Resolving ambiguity of the Kondo temperature determination in mechanically tunable single-molecule Kondo systems Author(s) Žonda, M. (CZ)
Stetsovych, Oleksandr (FZU-D) ORCID
Korytár, R. (CZ)
Ternes, M. (DE)
Temirov, R. (DE)
Raccanelli, A. (DE)
Tautz, F.S. (DE)
Jelínek, Pavel (FZU-D) RID, ORCID
Novotný, T. (CZ)
Švec, Martin (FZU-D) RID, ORCIDNumber of authors 10 Source Title Journal of Physical Chemistry Letters. - : American Chemical Society - ISSN 1948-7185
Roč. 12, č. 27 (2021), s. 6320-6325Number of pages 6 s. Language eng - English Country US - United States Keywords SPM ; Kondo ; magnetic properties ; NRG Subject RIV BM - Solid Matter Physics ; Magnetism OECD category Condensed matter physics (including formerly solid state physics, supercond.) R&D Projects GJ17-24210Y GA ČR - Czech Science Foundation (CSF) GX20-13692X GA ČR - Czech Science Foundation (CSF) LM2018110 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Method of publishing Limited access Institutional support FZU-D - RVO:68378271 UT WOS 000674852100010 EID SCOPUS 85111013409 DOI 10.1021/acs.jpclett.1c01544 Annotation We show how this ambiguity can be resolved if additional control parameters are present, such as magnetic field and mechanical gating. We record the evolution of the differential conductance by lifting an individual molecule from the metal surface with the tip of a scanning tunneling microscope. By fitting the measured conductance spectra with the single impurity Anderson model we are able to demonstrate that the lifting tunes the junction continuously from the strongly correlated Kondo-singlet to the free spin-1/2 ground state. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2022 Electronic address https://doi.org/10.1021/acs.jpclett.1c01544
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