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Morphological and Optical Stability in Growth of Fluorescent SiC on Low Off-Axis Substrates
Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials. Linköping University, The Institute of Technology.
University of Erlangen-Nuremberg, Germany.
Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials. Linköping University, The Institute of Technology.
University of Erlangen-Nuremberg, Germany.
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2013 (English)In: Materials Science Forum, ISSN 0255-5476, E-ISSN 1662-9752, Vol. 740-742, 19-22 p.Article in journal (Refereed) Published
Abstract [en]

Fluorescent silicon carbide was grown using the fast sublimation growth process on low off-axis 6H-SiC substrates. In this case, the morphology of the epilayer and the incorporation of dopants are influenced by the Si/C ratio. Differently converted tantalum foils were introduced into the growth cell in order to change vapor phase stochiometry during the growth. Fluorescent SiC grown using fresh and fully converted tantalum foils contained morphological instabilities leading to lower room temperature photoluminescence intensity while an improved morphology and optical stability was achieved with partly converted tantalum foil. This work reflects the importance of considering the use of Ta foil in sublimation epitaxy regarding the morphological and optical stability in fluorescent silicon carbide.

Place, publisher, year, edition, pages
Trans Tech Publications Inc., 2013. Vol. 740-742, 19-22 p.
Keyword [en]
Fluoresecnt Silicon Carbide, Low Off-Axis Substrates, Sublimation Epitaxy
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:liu:diva-88724DOI: 10.4028/www.scientific.net/MSF.740-742.19ISI: 000319785500005OAI: oai:DiVA.org:liu-88724DiVA: diva2:605690
Conference
9th European Conference on Silicon Carbide & Related Materials (ECSCRM 2012), 2-6 September 2012, Saint-Petersburg, Russia
Available from: 2013-02-14 Created: 2013-02-14 Last updated: 2017-12-06

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Jokubavicius, ValdasHens, PhilipLiljedahl, RickardYakimova, RositsaSyväjärvi, Mikael

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CiteExportLink to record
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