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Electronic structure and optical properties of triangular GaAs/AlGaAs quantum dots: Exciton and impurity states
Electronic structure and optical properties in equilateral triangular GaAs/Al0.3Ga0.7As quantum dots are studied extensively. The effects of donor and acceptor impurity atoms positioned in the orthocenter of the triangle, ...
Structure and bonding in WCn (n = 2–5) clusters
Stochastic explorations of the configurational spaces for WC n (n = 2–5) clusters lead to densely populated spin states at each molecularity. We found 8, 16, 42, and 68 well-defined minima for n = 2, 3, 4, 5, respectively, ...
Ab initio study of hydrogen chemisorption in nitrogen-doped carbon nanotubes
The electronic structure of single walled nitrogen-doped carbon nanotubes is calculated by first principles using density functional theory within the supercell approach with periodic boundary conditions. The effect of the ...
Digital mediation and interdisciplinarity: An approach to the study of variation [Mediación Digital e Interdisciplinariedad: una Aproximación al Estudio de la Variación]
The aim of this article is to present some theoretical and methodological reflections we have incorporated into the design of a lab-course called Differential Calculus, which is based on the current settings of the processes ...
Predictors of the ability of innovation in organizations: Systematic literature review [Predictores de la capacidad de innovación en las organizaciones: Revisión sistemática de literatura]
This proposal is part of a much larger work, this first phase allowed to answer about the determinants of innovation capabilities in organizations for this purpose the Systematic Literature Review (RSL) was adopted using ...
Supplier selection in gold mining using a fuzzy inference system [Selección de proveedores en la minería de oro con lógica difusa]
This article aims to describe a supplier evaluation and selection methodology based on a fuzzy inference system (FIS) for the gold mining sector. Based on a literature review, a fuzzy system consisting of the characterization ...
Microorganisms isolated from polluted urban soils highly effectives in degrading recalcitrant pesticides
Between 1972 and 1984 all types of solid waste from the city of Medellin were deposited in an area which had no technical specification as a landfill. Domestic, hospital and industrial waste was deposited, and accumulated ...
Laterally coupled circular quantum dots under applied electric field
The optical response of a system of two laterally coupled quantum dots with circular cross-sectional shape is investigated within the effective mass approximation, taking into account the effects of the change in the ...
The role of transport in the development of the tourist activity: A bibliometric analysis [El papel del transporte en el desarrollo de la actividad turística: Un análisis bibliométrico]
The tourist activity is performed in an unusual environment implying a shift in the space. In this sense, transport meets essential functions in its development in both as a mechanism for transit and as a touristic experience. ...