Lookup NU author(s): Professor Patrick Briddon
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The main purpose of this article is to determine the two-dimensional effective mass tensors of electrons confined in thin 3C wells in hexagonal SiC, which is a first step in the understanding of in-plane electron motion in the novel quantum structures. We have performed ab initio band structure calculations, based on the density functional theory in the local density approximation, for single and multiple stacking faults leading to thin 3 C-like regions in 4 H- and 6 H-SiC and deduced electron effective masses for two-dimensional electron gases around the cubic inclusions. We have found that electrons confined in the thin 3 C-like layers have clearly heavier effective masses than in the perfect bulk 3 C-SiC single crystal.
Author(s): Iwata HP, Lindefelt U, Oberg S, Briddon PR
Publication type: Article
Publication status: Published
Journal: Physical Review B
ISSN (print): 0163-1829
Publisher: American Physical Society
URL: http://dx.doi.org/ 10.1103/PhysRevB.68.245309
Notes: Article no. 245309
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