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Optical Properties and Charge Transport in Quantum Wires

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Abstract:

The present review article aims on showing how optical studies, along with numerical methods for the solution of the two dimensional Schrödinger equation for structures with a complex but real geometries, such as quantum wires of different geometrical shapes, contribute to a realistic determination of the mobility of man-made one-dimensional hetero structures. Specifically, the theoretical analysis of experimental photoluminescence and micro-photoluminescence spectra of these structures allows the cartography of the interface roughness. The energy eigenstates and eigenvalues of the system and the cartography of the interface allows for realistic values of the rms value of the roughness fluctuations in depth and the autocorrelation length the determination of the mobility which, at low temperatures, is mainly limited by interface and alloy scattering. The effect of screening and multisubband occupation is also discussed.

Keywords: MOBILITY; OPTICAL PROPERTIES; QUANTUM WIRES

Document Type: Review Article

DOI: http://dx.doi.org/10.1166/jctn.2007.001

Publication date: September 1, 2007

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  • Journal of Computational and Theoretical Nanoscience is an international peer-reviewed journal with a wide-ranging coverage, consolidates research activities in all aspects of computational and theoretical nanoscience into a single reference source. This journal offers scientists and engineers peer-reviewed research papers in all aspects of computational and theoretical nanoscience and nanotechnology in chemistry, physics, materials science, engineering and biology to publish original full papers and timely state-of-the-art reviews and short communications encompassing the fundamental and applied research.
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