-
Article
Do** properties in Co \(_{3-x}\) Ni \(_{x}\) O \(_{4}\) , comparison between p-DFT and experimental values
In the present work, we numerically and experimentally study the Co \(_{3-x}\) ...
-
Article
Diamagnetic Response and Vortex Matter in a Type-I Superconducting Irregular Octagon
In this contribution, we studied the magnetization, magnetic susceptibility, and electronic superconducting density of a superconducting irregular octagon in the presence of an external magnetic field H. We solve...
-
Article
Theoretical and experimental study for compost based on Zircon ZrSiO4
In the present work, we will study the properties of ZrSiO \(_{4}\) ...
-
Article
Lattice deformation and potential effects on linear and nonlinear optical properties of doped SiGe quantum dot encapsulated in Si matrix
Electron states in spheroid \(Si_{0.7}Ge_{0.3}\) S ...
-
Article
Rayleigh–Bénard convection of water-aluminum and water-AA7075 nanoliquids in a vertically vibrated very-shallow cylinder
Stability and heat transfer efficiency of the Rayleigh–Bénard-convective system (RBCS) in a vertically vibrated very-shallow cylinder are investigated in the paper for two conventional nanoliquid media, i.e., ...
-
Article
Two-dimensional Rayleigh–Bénard convection of viscoelastic liquids in Cartesian and cylindrical coordinates: regular and chaotic regimes
Two problems of Rayleigh–Bénard convection (RBC) concerning regular and chaotic motions of viscoelastic liquids in rectangular and cylindrical geometries are investigated. Four viscoelastic liquids and a Newto...
-
Article
Impact of loss mechanisms through defects on Sb2(S1-xSex)3/CdS solar cells with p-n structure
Antimony sulfide selenide (Sb2(S1-xSex)3) material has emerged as a potential candidate for solar cell fabrication. However, up-to-date, efficiencies of about 7% have been widely reported for solar cells based on...
-
Article
Convective heat and mass transports and chaos in two-component systems: comparison of results of physically realistic boundary conditions with those of artificial ones
Linear and weakly nonlinear stability analyses of double-diffusive convection in two-component liquids with either potassium chloride (KCl) or sodium chloride (NaCl) aqueous solution, and heat being present is...
-
Article
Open AccessElectronic structure of vertically coupled quantum dot-ring heterostructures under applied electromagnetic probes. A finite-element approach
We theoretically investigate the electron and hole states in a semiconductor quantum dot-quantum ring coupled structure, inspired by the recent experimental report by Elborg and collaborators (2017). The finit...
-
Article
LO-Phonons and dielectric polarization effects on the electronic properties of doped GaN/InN spherical core/shell quantum dots in a nonparabolic band model
The electron energy spectrum of a core/shell spherical quantum dot made of zincblende GaN/InN compounds is investigated taking into account the presence of an off-center donor atom and the influence of band nonpa...
-
Article
Open AccessPyramidal core-shell quantum dot under applied electric and magnetic fields
We have theoretically investigated the electronic states in a core/shell pyramidal quantum dot with GaAs core embedded in AlGaAs matrix. This system has a quite similar recent experimental realization through ...
-
Article
Küppers–Lortz Instability in the Rotating Brinkman–Bénard Problem
We investigate the Küppers–Lortz (KL) instability in the rotating Brinkman–Bénard convection problem by assuming that there is local thermal non-equilibrium (LTNE) between the Newtonian liquid and the high-por...
-
Article
Influence of conduction-band non-parabolicity on terahertz intersubband Raman gain in GaAs/InGaAs step asymmetric quantum wells
The conduction electron states in step-like strained GaAs/InGaAs quantum wells are theoretically investigated under the effective mass approximation, taking into account the effects of band non-parabolicity. W...
-
Article
Open AccessObservations and Projections of Heat Waves in South America
Although Heat Waves (HWs) are expected to increase due to global warming, they are a regional phenomenon that demands for local analyses. In this paper, we assess four HW metrics (HW duration, HW frequency, HW...
-
Article
Open AccessEffects of soiling on photovoltaic (PV) modules in the Atacama Desert
Soiling by dry deposition affects the power output of photovoltaic (PV) modules, especially under dry and arid conditions that favor natural atmospheric aerosols (wind-blown dust). In this paper, we report on ...
-
Article
Ultraviolet radiation in the Atacama Desert
The world’s highest levels of surface ultraviolet (UV) irradiance have been measured in the Atacama Desert. This area is characterized by its high altitude, prevalent cloudless conditions, and a relatively low...
-
Chapter
Intense Terahertz Radiation Effect on Electronic and Intraband Optical Properties of Semiconductor Quantum Rings
The current chapter aims to theoretically demonstrate that intense Terahertz (THz) laser field can be a powerful method for the controlling of electro-optical properties of quantum rings (QRs). We explore the ...
-
Article
Open AccessThe Solar Spectrum in the Atacama Desert
The Atacama Desert has been pointed out as one of the places on earth where the highest surface irradiance may occur. This area is characterized by its high altitude, prevalent cloudless conditions and relativ...
-
Chapter and Conference Paper
Hyper-Chaotic and Chaotic Synchronisation of Two Interacting Dipoles
In the present work we study numerically the deterministic spin dynamics of two interacting anisotropic magnetic particles in the presence of a time dependent external magnetic field. The particles are coupled...
-
Article
Hyper-chaotic Magnetisation Dynamics of Two Interacting Dipoles
The present work is a numerical study of the deterministic spin dynamics of two interacting anisotropic magnetic particles in the presence of a time-dependent external magnetic field using the Landau–Lifshitz ...
