High Energy Local Vibrational Modes of Carbon Aggregates in SiC: Experimental and Theoretical Insight

Abstract:

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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 (C3)Si and the di-interstitial (C2)Hex as models for these centers.

Info:

Periodical:

Materials Science Forum (Volumes 527-529)

Edited by:

Robert P. Devaty, David J. Larkin and Stephen E. Saddow

Pages:

465-468

DOI:

10.4028/www.scientific.net/MSF.527-529.465

Citation:

A. Mattausch et al., "High Energy Local Vibrational Modes of Carbon Aggregates in SiC: Experimental and Theoretical Insight", Materials Science Forum, Vols. 527-529, pp. 465-468, 2006

Online since:

October 2006

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$35.00

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