Effect of Inter-Well Coupling between 3C and 6H in-Grown Stacking Faults in 4H-SiC Epitaxial Layers

Abstract:

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Both 3C and 6H stacking faults have been observed in a low doped 4H-SiC epitaxial layer grown in a hot-wall CVD reactor on a heavily doped (off-axis) 4H-SiC substrate. They appear differently on the different parts of sample, with energetic dispersion ranging from 3.01 eV to 2.52 eV. Since they behave as natural type-II quantum wells in the 4H-SiC matrix, the thickness dependence of the excitonic recombination is investigated using the standard effective mass approximation. The results are discussed in terms of built-in electric field and inter-well coupling effects.

Info:

Periodical:

Materials Science Forum (Volumes 679-680)

Edited by:

Edouard V. Monakhov, Tamás Hornos and Bengt. G. Svensson

Pages:

314-317

DOI:

10.4028/www.scientific.net/MSF.679-680.314

Citation:

T. Robert et al., "Effect of Inter-Well Coupling between 3C and 6H in-Grown Stacking Faults in 4H-SiC Epitaxial Layers", Materials Science Forum, Vols. 679-680, pp. 314-317, 2011

Online since:

March 2011

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$35.00

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