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Role of nitrogen in photoluminescence up-conversion in GaInNP/GaAs heterostructures
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials.ORCID iD: 0000-0001-7155-7103
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials.
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials.ORCID iD: 0000-0002-6405-9509
Physics Department, Shahrood University of Technology, Shahrood, Iran .
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2007 (English)In: AIP Conference Proceedings / Volume 893 / [ed] Wolfgang Jantsch, Friedrich Schaffler, American Institute of Physics (AIP), 2007, 381-382 p.Conference paper, Published paper (Other academic)
Abstract [en]

Alloying of disordered GaInP with nitrogen is shown to lead to very efficient PLU in GaInNP/GaAs heterostructures grown by gas source molecular beam epitaxy (GS‐MBE). This is attributed to the N‐induced changes in the band alignment at the GaInNP/GaAs heterointerface from the type I for the N‐free structure to the type II in the samples with N compositions exceeding 0.5%. Based on the performed excitation power dependent measurements, a possible mechanism for the energy upconversion is suggested as being due to the two‐step two‐photon absorption. The photon recycling effect is shown to be important for the structures with N=1%, from time‐resolved PL measurements. © 2007 American Institute of Physics

Place, publisher, year, edition, pages
American Institute of Physics (AIP), 2007. 381-382 p.
Series
AIP Conference Proceedings, ISSN 0094-243X ; 893
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:liu:diva-39124DOI: 10.1063/1.2729925Local ID: 46765OAI: oai:DiVA.org:liu-39124DiVA: diva2:259973
Conference
PHYSICS OF SEMICONDUCTORS: 28th International Conference on the Physics of Semiconductors - ICPS 2006, Vienna, Austria, 24-28 July 2006
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2017-03-27

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Buyanova, IrinaBergman, PederChen, WeiminIzadifard, Morteza

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