Artículo
Aguiar-Hualde, J.M.; Chiappe, G.; Louis, E.; Anda, E.V.; Simonin, J. "Modeling the effects of molecule distortion on the Kondo resonance in the conductance of CoPc/Au(111) and TBrPP-Co/Cu(111)" (2009) Physica Status Solidi (A) Applications and Materials Science. 206(10):2217-2227
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Abstract:
Recent scanning tunneling microscope (STM) experimental studies on transport through CoPc and TBrPP-Co molecules adsorbed on metallic surfaces have reported several interesting results: (i) a high Kondo temperature as compared to those of adsorbed undressed magnetic atoms, (ii) the Kondo resonance shows up either as a Kondo peak (CoPc) or as a Fano dip (TBrPP-Co), (iii) the Kondo tempeature depends strongly on the molecule conformation and can be manipulated experimentally. Aiming to propose a theoretical framework that may serve to analyze these observations, we first discuss the case of an isolated magnetic atom adsorbed on a metallic surface. Much of the work on this simple case turns out to be of great help in the analysis of the more complex systems. Then, a simple model is proposed that, capturing the main features of the inner structure of the molecule (four lobe orbitals plus a strongly correlated orbital), offers a physical interpretation for most of the observations on those two moecules. In addition, it allows predicting the behavior of the system upon other symmetry or conformational changes, or when the STM tip is moved away from the Co atom. © 2009 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Registro:
| Documento: | Artículo |
| Título: | Modeling the effects of molecule distortion on the Kondo resonance in the conductance of CoPc/Au(111) and TBrPP-Co/Cu(111) |
| Autor: | Aguiar-Hualde, J.M.; Chiappe, G.; Louis, E.; Anda, E.V.; Simonin, J. |
| Filiación: | Departmento de Física J.J. Giambiagi, Facultad de Ciencias Exactas, Ciudad Universitaria, 1428 Buenos Aires, Argentina Departamento de Física Aplicada, Unidad Asociada Del Consejo Superior de Investigaciones Científicas, Universidad de Alicante, San Vicente del Raspeig, Alicante 03690, Spain Departamento de Física, Pontificia Universidade Católica Do Rio de Janeiro (PUC-Rio), Caixa Postal 38071, 22452-970 Rio de Janeiro, Brazil Centro Atómico de Bariloche, Instituto Balseiro, 8400 S.C. de Bariloche, Río Negro, Argentina |
| Palabras clave: | [Co/Cu]; CO molecule; Complex systems; Conformational change; Experimental studies; Inner structure; Kondo resonances; Kondo temperatures; Magnetic atoms; Metallic surface; Orbitals; Physical interpretation; Scanning tunneling microscopes; Simple model; Theoretical framework; Atoms; Metallic compounds; Molecules; Resonance; Surface measurement; Conformations |
| Año: | 2009 |
| Volumen: | 206 |
| Número: | 10 |
| Página de inicio: | 2217 |
| Página de fin: | 2227 |
| DOI: | http://dx.doi.org/10.1002/pssa.200881714 |
| Título revista: | Physica Status Solidi (A) Applications and Materials Science |
| Título revista abreviado: | Phys. Status Solidi A Appl. Mater. Sci. |
| ISSN: | 18626300 |
| CODEN: | PSSAB |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_18626300_v206_n10_p2217_AguiarHualde |
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Citas:
---------- APA ----------
Aguiar-Hualde, J.M., Chiappe, G., Louis, E., Anda, E.V. & Simonin, J. (2009) . Modeling the effects of molecule distortion on the Kondo resonance in the conductance of CoPc/Au(111) and TBrPP-Co/Cu(111). Physica Status Solidi (A) Applications and Materials Science, 206(10), 2217-2227.http://dx.doi.org/10.1002/pssa.200881714
---------- CHICAGO ----------
Aguiar-Hualde, J.M., Chiappe, G., Louis, E., Anda, E.V., Simonin, J. "Modeling the effects of molecule distortion on the Kondo resonance in the conductance of CoPc/Au(111) and TBrPP-Co/Cu(111)" . Physica Status Solidi (A) Applications and Materials Science 206, no. 10 (2009) : 2217-2227.http://dx.doi.org/10.1002/pssa.200881714
---------- MLA ----------
Aguiar-Hualde, J.M., Chiappe, G., Louis, E., Anda, E.V., Simonin, J. "Modeling the effects of molecule distortion on the Kondo resonance in the conductance of CoPc/Au(111) and TBrPP-Co/Cu(111)" . Physica Status Solidi (A) Applications and Materials Science, vol. 206, no. 10, 2009, pp. 2217-2227.http://dx.doi.org/10.1002/pssa.200881714
---------- VANCOUVER ----------
Aguiar-Hualde, J.M., Chiappe, G., Louis, E., Anda, E.V., Simonin, J. Modeling the effects of molecule distortion on the Kondo resonance in the conductance of CoPc/Au(111) and TBrPP-Co/Cu(111). Phys. Status Solidi A Appl. Mater. Sci. 2009;206(10):2217-2227.http://dx.doi.org/10.1002/pssa.200881714
