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Photoluminescence e...
Photoluminescence enhancement in nano-textured fluorescent SiC passivated by atomic layer deposited Al2O3 films
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- Lu, Wei Fang (författare)
- Technical University of Denmark
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- Ou, Yiyu (författare)
- Technical University of Denmark
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- Jokubavicius, Valdas (författare)
- Linköpings universitet,Halvledarmaterial,Tekniska fakulteten
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- Fadi, lAhmed (författare)
- Technical University of Denmark
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- Syväjärvi, Mikael (författare)
- Linköpings universitet,Halvledarmaterial,Tekniska fakulteten
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- Buschmann, Volker (författare)
- PicoQuant GmbH, Rudower Chaussee 29, 12489 Berlin, Germany
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- Rüttinger, Steffen (författare)
- PicoQuant GmbH, Rudower Chaussee 29, 12489 Berlin, Germany
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- Petersen, Paul Michael (författare)
- Technical University of Denmark
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- Ou, Haiyan (författare)
- Technical University of Denmark
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(creator_code:org_t)
- 2016
- 2016
- Engelska.
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Ingår i: Silicon Carbide and Related Materials 2015. ; , s. 493-496
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.4...
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Abstract
Ämnesord
Stäng
- The influence of thickness of atomic layer deposited Al2O3 films on nanotextured fluorescent 6H-SiC passivation is investigated. The passivation effect on the light emission has been characterized by photoluminescence and time-resolved photoluminescence at room temperature. The results show that 20nm thickness of Al2O3 layer is favorable to observe a large photoluminescence enhancement (25.9%) and long carrier lifetime (0.86ms). This is a strong indication for an interface hydrogenation that takes place during post-thermal annealing. These result show that an Al2O3 layer could serve as passivation in fluorescent SiC based white LEDs applications.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- photoluminescence
- fluorescent SiC
- passivation
- Al2O3
- lifetime
- ALD.
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)