Browsing Departamento de Física | CN by Title
Now showing items 11-22 of 22
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Nucleation, Growth, and Electrical Characterization of Al2O3 Thin Films Grown by Atomic Layer Deposition
Materials with higher dielectric constant than SiO2 (~ .4.0), called as high-k materials, are of great demand for CMOS transistors and DRAM capacitors. Aluminum oxide (Al2O3) has many interesting properties, such as high ... -
On the Properties of a Dimer Electrolyte in a Planar Electric Double Layer A Monte Carlo Simulation Study
The precise description of the double layer phenomenon at the interface region between a charged electrode and an ionic solution is nowadays, more than ever, of great importance in areas like capacitors design, metal ... -
Platinum Based Catalysts for the Electrochemical Oxidation of Ammonia, Ammonia Oxidation on the Ground Vs. Microgravity & the Electrochemical Ammonia Removal System
This project is about optimizing the electrochemical oxidation of ammonia. The goal is to enhance the electrochemical oxidation of ammonia by synthesizing platinum based catalysts and develop a Direct Ammonia Alkaline Fuel ... -
Preparation of Carbon-Platinum-Ceria and Carbon-Platinum-Cerium catalysts and its application in Polymer Electrolyte Fuel Cell: Hydrogen, Methanol, and Ethanol
This thesis is focused on fuel cells using hydrogen, methanol and ethanol as fuel. Also, in the method of preparation of catalytic material for the anode: Supercritical Fluid Deposition (SFD) and impregnation method using ... -
Studies of Surface-Modified Molybdenum Dioxide as Anode Material for Lithium-Ion Batteries
Lithium ion batteries have attracted much interest in the field of fundamental study and applied research, where the greatest challenge lies in the design and development of electrode materials with high power density and ... -
Studies on Pb Free Ferroelectric Materials for Photovoltaic Applications
Ferroelectrics have shown a promising alternative material system for photovoltaic applications. High open circuit voltages in ferroelectric thin films have generated considerable interest in the field of ferroelectric ... -
Study of Nanofibers Formed by Magnetic Field Assisted Electrospinning Using Solutions Containing PVDF, DMF, Acetone and Fe3O4 Nanoparticles
We present a comprehensive study on Polyvinylidene Fluoride (PVDF) nanofibers with solutions containing Fe3O4 nanoparticles (NPs). These fibers were formed by using an in house designed Magnetic Field Assisted Electrospinning ... -
Study of the Earliest Stages of Galactic Star Formation: BLAST Survey of the Vela Molecular Ridge.
Stars form from the gravitational collapse of dense clouds of gas and dust in the interstellar molecular medium. However, little is known about the origin and evolution of these early stages of star formation. In this ... -
Study of the Earliest Stages of High- Mass Star Formation through high-angular resolution spectral line observations.
Star formation is one of the most important research areas in modern astrophysics, and high-mass star formation, in particular, still presents unresolved questions. Stars form out of huge volumes of gas and dust, which ... -
Synthesis and Functionalization of Atomic Layer Boron Nitride Nanosheets for Advanced Material Applications
Besides graphene, hexagonal boron nitride nanosheets (BNNSs) are playing an excellent role for the next generation of 2-dimentional (2D) functional nanomaterials. Due to the similar lattice parameter and identical crystalline ... -
Synthesis of PZTFT and PZTFN, Two New Single Phase Magnetoelectric Multiferroic Materials at Room Tempeture for Multifunctional Applications
(2015-12-09)The anticipated end of Moore's law scaling in microelectronics has stimulated researchers to explore alternatives, i.e. to render the individual components multifunctional. One promising field on which the researchers have ... -
Synthesis, Characterization and Engineering of Photocatalytic Materials for Water Splitting Under Visible Light
Hydrogen is considered a renewable large source of energy and as such has attracted considerable interests. Water molecules can be split into hydrogen and oxygen using a number of methods (e.g., electrolysis) but the ...