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Influence of the characteristics of the STM-tip on the electroluminescence spectra
University of Antwerp, Belgium.
University of Antwerp, Belgium.
University of Antwerp, Belgium.
University of Antwerp, Belgium.
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2005 (English)In: Physica. E, Low-Dimensional systems and nanostructures, ISSN 1386-9477, E-ISSN 1873-1759, Vol. 27, no 1-2, 13-20 p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
Elsevier , 2005. Vol. 27, no 1-2, 13-20 p.
Keyword [en]
electroluminescence; STM; quantum dots
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:liu:diva-118208DOI: 10.1016/j.physe.2004.10.002ISI: 000227813200003OAI: oai:DiVA.org:liu-118208DiVA: diva2:813347
Available from: 2015-05-22 Created: 2015-05-22 Last updated: 2015-06-01

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Kemerink, Martijn
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Chemical and Optical Sensor SystemsThe Institute of Technology
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