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Effective masses of two-dimensional electron gases around cubic inclusions in hexagonal silicon carbide
Department of Physics and Measurement Technology, Linköping University.
Department of Physics and Measurement Technology, Linköping University.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mathematical Science.ORCID iD: 0000-0002-0292-1159
Department of Physics, University of Newcastle.
2003 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 68, no 24, p. 245309-1Article in journal (Refereed) Published
Abstract [en]

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 3C-like regions in 4H- and 6H-SiC and deduced electron effective masses for two-dimensional electron gases around the cubic inclusions. We have found that electrons confined in the thin 3C-like layers have clearly heavier effective masses than in the perfect bulk 3C-SiC single crystal.

Place, publisher, year, edition, pages
2003. Vol. 68, no 24, p. 245309-1
National Category
Computational Mathematics
Research subject
Scientific Computing
Identifiers
URN: urn:nbn:se:ltu:diva-10928DOI: 10.1103/PhysRevB.68.245309ISI: 000188391900059Local ID: 9d363a50-bda2-11db-9be7-000ea68e967bOAI: oai:DiVA.org:ltu-10928DiVA, id: diva2:983876
Note
Validerad; 2003; 20070216 (kani)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Öberg, Sven

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