Rectification behaviour of molecular layers on Si(111)


Hallbäck, Ann-Sofie and Poelsema, Bene and Zandvliet, Harold J.W. (2007) Rectification behaviour of molecular layers on Si(111). Solid State Communications, 141 (12). pp. 645-648. ISSN 0038-1098

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Abstract:Reproducible and strong diode-like behaviour is observed for molecular films of 2,2,6,6-tetramethyl-1-piperidinyloxy (TEMPO) on n-type Si(111)- 7×7 surfaces studied by scanning tunnelling microscopy (STM) and spectroscopy (STS) at 77 K. The mechanism behind the rectification is likely to be related to the electron distribution at the molecule-silicon interface. We suggest that the adsorption of the molecular layer profoundly modifies the electronic structure of the Si(111)- 7×7 surface.
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Copyright:© 2007 Elsevier Ltd
Science and Technology (TNW)
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Metis ID: 239913