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Defects introduced by electron-irradiation at low temperatures in SiC
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials.
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2009 (English)In: Materials Science Forum Vols. 615-617, Trans Tech Publicarions , 2009, 377-380 p.Conference paper (Refereed)
Abstract [en]

Defects introduced by electron irradiation at ~80-100 K in 3C-, 4H- and 6H-SiC were studied by electron paramagnetic resonance (EPR). A number of EPR spectra, labelled LE1-10, were detected. Combining EPR and supercell calculations, we will show that the LE1 center in 3C-SiC with C2v symmetry and an electron spin S=3/2 is related to the (VSi-Sii)3+ Frenkel pair between the silicon vacancy and a second neighbour Sii interstitial along the <100> direction. Results on other centers, possibly also related to interstitials, are discussed.

Place, publisher, year, edition, pages
Trans Tech Publicarions , 2009. 377-380 p.
National Category
Natural Sciences
URN: urn:nbn:se:liu:diva-43504DOI: 10.4028/ ID: 73991ISBN: 978-087849334-0OAI: diva2:264363
7th European Conference on Silicon Carbide and Related Materials, ECSCRM 2008; Barcelona; Spain
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2014-09-04

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Nguyen, Son TienGali, AdamJanzén, Erik
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The Institute of TechnologySemiconductor MaterialsDepartment of Physics, Chemistry and Biology
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