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Revista EIA
versión impresa ISSN 1794-1237versión On-line ISSN 2463-0950
Resumen
VINASCO SUAREZ, Juan Alejandro; RADU, Adrian y DUQUE ECHEVERRI, Carlos Alberto. Electronic properties of an elliptical quantum ring with rectangular cross section (Elliptical quantum ring). Rev.EIA.Esc.Ing.Antioq [online]. 2019, vol.16, n.31, pp.77-87. ISSN 1794-1237. https://doi.org/10.24050/reia.v16i31.1255.
The electronic states of a GaAs elliptic quantum ring embedded in AlxGa1-xAs matrix are investigated by mean of effective mass approximation. The quantum ring is built with rectangular cross section (radial direction). The Schrödinger equation is solved by using finite element method. In angular direction, the amplitude of altitude is modulated, it lets to model quantum dots in the quantum ring. The electron energies are reported as a function of size ring, for both the lengths of the ellipses in the xy plane and their height (z-axis).
Palabras clave : Elliptic quantum ring; Finite confinement; Finite element method; Quantum dots.