Karan, Sujoy and Frank, Frank and Preis, Tobias and Eroms, Jonathan and Fabian, Jaroslav and Evers, Ferdinand and Repp, Jascha (2022) Interplay of boundary states of graphene nanoribbons with a Kondo impurity. PHYSICAL REVIEW B, 105 (20): 205410. ISSN 2469-9950, 2469-9969
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We investigate the interplay of two highly localized, nearly degenerate electronic states, namely, a zero-energy edge mode in a graphene nanoribbon on the one hand and an Abrikosov-Suhl resonance located at a Kondo impurity on the other. On-surface synthesis of the ribbon structures in combination with intercalation of single atom Kondo impurities by atomic manipulation in a scanning tunneling microscope junction offer full control of the atomic geometry of the system. Density functional theory provides the microscopic description to scrutinize the electronic features observed in experiment. We find the interaction of the two localized states and the resulting signatures of Kondo physics to be very sensitive to the placing of the atom, suggesting its use as a laboratory to study the interplay of the Kondo effect with other zero-bias anomalies as well as to tailor these states by controlling the atomic-scale coupling.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | ON-SURFACE SYNTHESIS; BAND-GAP; SHAPE |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Theroretical Physics > Chair Ferdinand Evers Physics > Institute of Theroretical Physics > Chair Professor Richter > Group Jaroslav Fabian Physics > Institute of Experimental and Applied Physics > Chair Professor Giessibl > Group Jascha Repp Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Jonathan Eroms |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 07 Feb 2024 07:45 |
| Last Modified: | 07 Feb 2024 07:45 |
| URI: | https://pred.uni-regensburg.de/id/eprint/56898 |
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