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High energy local vibrational modes of carbon aggregates in SiC: experimental and theoretical insight

Lookup NU author(s): Professor Nick Wright


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We observe new photoluminescence centers in electron-irradiated 6H-SiC with phonon replicas up to 250 meV and clear threefold isotope splitting of the highest energy mode. Based on ab initio calculations, we discuss the tri-carbon anti-site (C-3)(Si) and the di-interstitial (C-2)(Hex) as models for these centers.

Publication metadata

Author(s): Mattausch A, Bockstedte M, Pankratov O, Steeds JW, Furkert S, Hayes JM, Sullivan W, Wright NG

Editor(s): Devaty, R.P., Larkin, D.J., Saddow, S.E.

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: International Conference on Silicon Carbide and Related Materials (ICSCRM 2005)

Year of Conference: 2006

Pages: 465-468

ISSN: 0255-5476 (print) 1422-6375 (online)

Publisher: Materials Science Forum: Trans Tech Publications Ltd


DOI: 10.4028/

Library holdings: Search Newcastle University Library for this item

ISBN: 0878494251