Stretching dependence of the vibration modes of a single-molecule Pt-H2-Pt bridge
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| Título: | Stretching dependence of the vibration modes of a single-molecule Pt-H2-Pt bridge |
|---|---|
| Autor/es: | Djukic, D. | Thygesen, K.S. | Untiedt, Carlos | Smit, R.H.M. | Jacobsen, K.W. | Ruitenbeek, J.M. van |
| Grupo/s de investigación o GITE: | Grupo de Nanofísica |
| Centro, Departamento o Servicio: | Universidad de Alicante. Departamento de Física Aplicada |
| Palabras clave: | Conducting bridge | Single hydrogen molecule | Pt electrodes | Vibration modes | Stretching dependence |
| Área/s de conocimiento: | Física de la Materia Condensada |
| Fecha de publicación: | 20-abr-2005 |
| Editor: | American Physical Society |
| Cita bibliográfica: | DJUKIC, D., et al. “Stretching dependence of the vibration modes of a single-molecule Pt-H2-Pt bridge”. Physical Review B. Vol. 71, No. 16 (2005). ISSN 1098-0121, pp. 161402(R)-1/4 |
| Resumen: | A conducting bridge of a single hydrogen molecule between Pt electrodes is formed in a break junction experiment. It has a conductance near the quantum unit, G0=2e2∕h, carried by a single channel. Using point-contact spectroscopy three vibration modes are observed and their variation upon isotope substitution is obtained. The stretching dependence for each of the modes allows uniquely classifying them as longitudinal or transversal modes. The interpretation of the experiment in terms of a Pt-H2-Pt bridge is verified by density-functional theory calculations for the stability, vibrational modes, and conductance of the structure. |
| Patrocinador/es: | This work was supported by the Dutch “Stichting FOM,” the Danish Center for Scientific Computing through Grant No. HDW-1101-05, the Spanish MCyT under Contract No. MAT-003-08109-C02-01 and the Ramón y Cajal program, and the ESF through the EUROCORES SONS programme. |
| URI: | http://hdl.handle.net/10045/25199 |
| ISSN: | 1098-0121 (Print) | 1550-235X (Online) |
| DOI: | 10.1103/PhysRevB.71.161402 |
| Idioma: | eng |
| Tipo: | info:eu-repo/semantics/article |
| Derechos: | © 2005 The American Physical Society |
| Revisión científica: | si |
| Versión del editor: | http://dx.doi.org/10.1103/PhysRevB.71.161402 |
| Aparece en las colecciones: | INV - Grupo de Nanofísica - Artículos de Revistas |
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