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Effective tuning of...
Effective tuning of the charge-state of single In(Ga)As/GaAs quantum dots by below barrier band gap excitation
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- Karlsson, Fredrik, 1974- (author)
- Linköpings universitet,Tekniska högskolan,Halvledarmaterial
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- Holtz, Per-Olof, 1951- (author)
- Linköpings universitet,Tekniska högskolan,Halvledarmaterial
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- Moskalenko, Evgenii, 2000- (author)
- Linköpings universitet,Tekniska högskolan,Institutionen för fysik, kemi och biologi
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- Monemar, Bo, 1942- (author)
- Linköpings universitet,Tekniska högskolan,Halvledarmaterial
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Schoenfeld, W.V. (author)
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Garcia, J.M. (author)
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Petroff, P.M. (author)
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(creator_code:org_t)
- 2003
- 2003
- English.
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In: Surface Science. - 0039-6028 .- 1879-2758. ; 532-535, s. 843-847
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- The existence of a well-defined threshold energy, crucial for the charging of quantum dots (QDs), positioned between the barrier band gap and the wetting layer ground state is demonstrated. Optical excitation with energies above this threshold populates the QDs with extra electrons. The origin of the threshold is discussed in terms of acceptors in the GaAs barrier. ⌐ 2003 Elsevier Science B.V. All rights reserved.
Keyword
- NATURAL SCIENCES
- NATURVETENSKAP
Publication and Content Type
- ref (subject category)
- art (subject category)
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