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Berthe M, Urbieta A, Perdigão L, et al. Electron transport via local polarons at interface atoms. Phys Rev Lett. 2006;97(20):206801doi: 10.1103/PhysRevLett.97.206801.
Berthe, M., Urbieta, A., Perdigão, L., Grandidier, B., Deresmes, D., Delerue, C., Stiévenard, D., Rurali, R., Lorente, N., Magaud, L., & Ordejón, P. (2006). Electron transport via local polarons at interface atoms. Physical review letters, 97(20), 206801. https://doi.org/10.1103/PhysRevLett.97.206801
Berthe, M, et al. "Electron transport via local polarons at interface atoms." Physical review letters vol. 97,20 (2006): 206801. doi: https://doi.org/10.1103/PhysRevLett.97.206801
Berthe M, Urbieta A, Perdigão L, Grandidier B, Deresmes D, Delerue C, Stiévenard D, Rurali R, Lorente N, Magaud L, Ordejón P. Electron transport via local polarons at interface atoms. Phys Rev Lett. 2006 Nov 17;97(20):206801. doi: 10.1103/PhysRevLett.97.206801. Epub 2006 Nov 13. PMID: 17155701.
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Phys Rev Lett. 2006 Nov 17;97(20):206801. doi: 10.1103/PhysRevLett.97.206801. Epub 2006 Nov 13.

Electron transport via local polarons at interface atoms.

Physical review letters

M Berthe, A Urbieta, L Perdigão, B Grandidier, D Deresmes, C Delerue, D Stiévenard, R Rurali, N Lorente, L Magaud, P Ordejón

Affiliations

  1. Institut d'Electronique, de Microélectronique, et de Nanotechnologie, IEMN ,CNRS, UMR 8520, Département ISEN, 59046 Lille Cédex, France.

PMID: 17155701 DOI: 10.1103/PhysRevLett.97.206801

Abstract

Electronic transport is profoundly modified in the presence of strong electron-vibration coupling. We show that in certain situations, the electron flow takes place only when vibrations are excited. By controlling the segregation of boron in semiconducting Si(111)-square root 3 x square root 3 R 30 degrees surfaces, we create a type of adatom with a dangling-bond state that is electronically decoupled from any other electronic state. However, probing this state with scanning tunnelling microscopy at 5 K yields high currents. These findings are rationalized by ab-initio calculations that show the formation of a local polaron in the transport process.

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