Schulte, S. and Néel, N. and Rózsa, Levente and Palotás, Krisztián and Kröger, J. (2023) Changing the Interaction of a Single-Molecule Magnetic Moment with a Superconductor. NANO LETTERS, 23 (4). pp. 1622-1628. ISSN 1530-6984
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Abstract
The exchange interaction of a brominated Coporphyrin molecule with the Cooper pair condensate of Pb(111) is modified by reducing the Co−surface separation. The stepwise dehalogenation and dephenylation change the Co adsorption height by a few picometers. Only the residual Co-porphine core exhibits a Yu-Shiba-Rusinov bound state with low binding energy in the Bardeen-Cooper-Schrieffer energy gap. Accompanying density functional calculations reveal that the Co orbital carries the molecular magnetic moment and is responsible for the intragap state. The calculated spatial evolution of the Yu-Shiba-Rusinov wave function is compatible with the experimentally observed oscillatory attenuation of the electron−hole asymmetry with increasing lateral distance from the magnetic porphine center.
| Item Type: | Article |
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| Uncontrolled Keywords: | Scanning tunneling microscopy and spectroscopy, Yu-Shiba-Rusinov bound state, single-molecule chemical reaction, magnetic exchange interaction, superconductivity, density functional theory |
| Subjects: | Q Science / természettudomány > QC Physics / fizika > QC06 Physics of condensed matter / szilárdtestfizika |
| Depositing User: | Dr. Krisztián Palotás |
| Date Deposited: | 25 Sep 2023 07:02 |
| Last Modified: | 29 Sep 2023 11:47 |
| URI: | http://real.mtak.hu/id/eprint/174551 |
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