Spatially Extended Kondo State in Magnetic Molecules Induced by Interfacial Charge Transfer
Name
Perera-2010-Spatially Extended K.pdf
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Author(s)
Perera, U. G. E.
Kulik, Heather Janine
Iancu, V.
Dias da Silva, L. G. G. V.
Ulloa, S. E.
Marzari, Nicola
Hla, S. W.
Date Issued
September 2010
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Perera, U.G.E. et al. "Spatially Extended Kondo State in Magnetic Molecules Induced by Interfacial Charge Transfer." Physical Review Letters 105.10 (2010): 106601. © 2010 The American Physical Society
Version
Final published version
Abstract
An extensive redistribution of spin density in TBrPP-Co molecules adsorbed on a Cu(111) surface is investigated by monitoring Kondo resonances at different locations on single molecules. Remarkably, the width of the Kondo resonance is found to be much larger on the organic ligands than on the central cobalt atom—reflecting enhanced spin-electron interactions on molecular orbitals. This unusual effect is explained by means of first-principles and numerical renormalization-group calculations highlighting the possibility to engineer spin polarization by exploiting interfacial charge transfer.
MIT Department
Massachusetts Institute of Technology. Department of Materials Science and Engineering
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DOI of Published Version
https://doi.org/10.1103/PhysRevLett.105.106601
