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Mechanism for radia...
Mechanism for radiative recombination and defect properties of GaP/GaNP core/shell nanowires
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- Dobrovolsky, Alexandr (författare)
- Linköpings universitet,Funktionella elektroniska material,Tekniska högskolan
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- Stehr, Jan Eric (författare)
- Linköpings universitet,Funktionella elektroniska material,Tekniska högskolan
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- Chen, Shula (författare)
- Linköpings universitet,Tekniska högskolan,Funktionella elektroniska material
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- Kuang, Y. J. (författare)
- Department of Physics, University of California, La Jolla, California, USA
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- Sukrittanon, S. (författare)
- Graduate Program of Materials Science and Engineering, La Jolla, California, USA
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- Tu, C. W. (författare)
- Department of Electrical and Computer Engineering, University of California, San Diego, La Jolla, California, USA
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- Chen, Weimin (författare)
- Linköpings universitet,Funktionella elektroniska material,Tekniska högskolan
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- Buyanova, Irina (författare)
- Linköpings universitet,Funktionella elektroniska material,Tekniska högskolan
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(creator_code:org_t)
- American Institute of Physics (AIP), 2012
- 2012
- Engelska.
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Ingår i: Applied Physics Letters. - : American Institute of Physics (AIP). - 0003-6951 .- 1077-3118. ; 101:16, s. 163106-1-163106-4
- 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
- Recombination processes in GaP/GaNP core/shell nanowires (NWs) grown on a Si substrate by molecular beam epitaxy are examined using a variety of optical characterization techniques, including cw- and time-resolved photoluminescence and optically detected magnetic resonance (ODMR). Superior optical quality of the structures is demonstrated based on the observation of intense emission from a single NW at room temperature. This emission is shown to originate from radiative transitions within N-related localized states. From ODMR, growth of GaP/GaNP NWs is also found to facilitate formation of complex defects containing a P atom at its core that act as centers of competing non-radiative recombination.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Nyckelord
- crystal defects
- electron-hole recombination
- gallium compounds
- III-V semiconductors
- magnetic resonance
- molecular beam epitaxial growth
- nanowires
- photoluminescence
- semiconductor growth
- semiconductor quantum wires
- silicon
- time resolved spectra
- wide band gap semiconductors
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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