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Influence of the characteristics of the STM-tip on the electroluminescence spectra

We analyze the influence of the characteristics of the STM-tip (applied voltage, tip radius) on the electroluminescence spectra from an STM-tip-induced quantum dot. We find that positions of electroluminescence peaks, attributed to the electron-hole recombination in the quantum dot, are very sensiti...

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Main Authors: Croitoru, Mihail D. (Author) , Gladilin, V. N. (Author) , Fomin, Vladimir M. (Author) , Devreese, Jozef T. (Author) , Kemerink, Martijn (Author) , Koenraad, Paulus M. (Author) , Sauthoff, Katharina (Author) , Wolter, Joachim H. (Author)
Format: Article (Journal)
Language:English
Published: 2005
In: Physica. E, Low-dimensional systems & nanostructures
Year: 2004, Volume: 27, Issue: 1, Pages: 13-20
ISSN:1386-9477
DOI:10.1016/j.physe.2004.10.002
Online Access:Verlag, Volltext: https://doi.org/10.1016/j.physe.2004.10.002
Verlag, Volltext: http://www.sciencedirect.com/science/article/pii/S1386947704005077
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Author Notes:M.D. Croitoru, V.N. Gladilin, V.M. Fomin, J.T. Devreese, M. Kemerink, P.M. Koenraad, K. Sauthoff, J.H. Wolter
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Summary:We analyze the influence of the characteristics of the STM-tip (applied voltage, tip radius) on the electroluminescence spectra from an STM-tip-induced quantum dot. We find that positions of electroluminescence peaks, attributed to the electron-hole recombination in the quantum dot, are very sensitive to the characteristics of the tip, namely increasing voltage on the STM-tip results in a red shift of the electroluminescence peaks, while the peak positions as a function of the tip radius reveal a non-monotonous behavior.
Item Description:Available online 24 November 2004
Gesehen am 16.12.2019
Physical Description:Online Resource
ISSN:1386-9477
DOI:10.1016/j.physe.2004.10.002

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