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Optically active er...
Optically active erbium-oxygen complexes in GaAs
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- Coutinho, J. (författare)
- Department of Physics, University of Aveiro
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- Jones, R. (författare)
- School of Physics, University of Exeter
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- Shaw, M. (författare)
- School of Natural Science, University of Newcastle upon Tyne
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- Briddon, P.R. (författare)
- School of Natural Science, University of Newcastle upon Tyne
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- Öberg, Sven (författare)
- Luleå tekniska universitet,Matematiska vetenskaper
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(creator_code:org_t)
- AIP Publishing, 2004
- 2004
- Engelska.
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Ingår i: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 84:10, s. 1683-1685
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Density functional modeling of Er and Er-O complexes in GaAs show that Er impurities at the Ga site are not efficient channels for exciton recombination, but decorative O atoms play crucial roles in inhibiting Er precipitation and in creating the necessary conditions for electron-hole capture. Among the defects studied, the ErGaOAs and ErGa(OAs)2 models have the symmetry and carrier trap location close to the defect responsible for the strong 1.54 µm photoluminescence band in Er, O codoped GaAs.
Ämnesord
- NATURVETENSKAP -- Matematik -- Beräkningsmatematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Computational Mathematics (hsv//eng)
Nyckelord
- Scientific Computing
- Teknisk-vetenskapliga beräkningar
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- art (ämneskategori)
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