Materials Literature
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This paper presents the results of an experimental investigation on the steel reinforcement corrosion and sorptivity. Concretes having three type of cements (OPC, PCC, and a mixtured of palm oil fuel ash). The effect of using blended cements on the resistance of concrete against damage caused by corrosion of the embed…
The fundamental scientific accomplishments are: (1) advances in a general description of the liquid state by employing structural models constrained by measurements to interpret experimental results and extend them to liquids in general, with special emphasis on (2) The structure of the high-temperature crystal and mo…
This is a first attempt at calculating the BPS stopping power with electron degeneracy corrections. Section I establishes some notation and basic facts. Section II outlines the basics of the calculation, and in Section III contains some brief notes on how to proceed with the details of the calculation. The remaining w…
The purpose of this report and its derivations is to account for magnetic scattering of photons by magnetization densities in matter as discussed by de Bergevin and Brun (Acta Cryst. A37, 314 (1981))
Se presentan adelantos recientes en el método de potenciales efectivos para el estudio de nanoestructuras semiconductoras a nivel atomístico. Se demuestra que el esquema de derivación de potenciales efectivos, a partir de cálculos basados en la teoría del funcional de la densidad en la aproximación de densidad local,…
El silicio amorfo hidrogenado (a-Si:H) surge como un material prometedor en la industria fotovoltaica gracias a su alto coeficiente de absorción y a su bajo costo de producción. En este trabajo se estudiaron las propiedades ópticas y eléctricas de películas de a-Si:H dopadas tipo p y tipo n tales como: transmitancia,…
ZnO thin films have been elaborated using a pulsed laser deposition (PLD) technique onto glass substrate at room temperature. The PLD process is developed in oxygen atmosphere (1*10-1 mbar). The morphology, chemical composition and optical characteristics were studied as function of laser wavelength and laser profile…
The design, fabrication and performance of a novel silicon lens for Long Wave Infrared (LWIR) imaging are presented. The silicon lenses are planar in nature, and are created using standard wafer scale silicon micro-fabrication processes. The silicon batch processes are used to generate subwavelength structures that in…
Silver nano particles (NPs) are the largest and fastest growing category of nanotechnology-based medicines and consumer products. Silver can be highly toxic to some aquatic organisms and as an antibiotic may also damage or alter the most abundant and vulnerable beneficial microbial communities in the environment, such…
This article is a theoritical approach to calculate the electronic structure of undoped- and non-metal anions doped-TiO2-anatase. The objective of the research is to calculate abinitio the band structure and the density of states (DOS) of undoped-, C-, N-, and S-doped TiO2-anatase. Kohn-Sham equations are performed wi…
Background: Extreme conditioning (EC) programs, such as those by Crossfit®, and Insanity™ have increased in popularity, possibly due their perceived benefits in health and fitness.Repeated bouts of maximal intensity exercises as found in EC programs may lead to a decrease in power that may affect an individual's abili…
A new compound, namely [Dy4(L)6(H2O)4]n (1 H2L = 5-(pyridin-4-ylmethoxy)-isophthalic acid), has been hydrothermally synthesized and further characterized by the single-crystal X-ray diffraction, elemental analysis, infrared spectroscopy. Single-crystal X-ray diffraction analysis reveals that compound 1 crystallizes in…
In transparent conductive oxide nanostructures, oxygen vacancy defects (neutral, singly charged, and doubly charged defects) are found to be one of the most important and prevalent defects due to the enhancement of light absorption and charge transport properties, improved performance in photoelectrochemical water spl…
This data is collected from the labs of Device Materials Group, Department of Materials Science and Metallurgy , University of Cambridge, in which the measurements were taken between September 2015 to March 2016. The data contains the diameter and length distribution, XRD pattern, and different piezoelectric energy ha…
The refractive index of germanium is known only up to the third decimal according to publicly available sources. This data from various authors shows deviations in the order of several 10-3 not to be explained by experimental errors of the refractive index measurement. This is a strong indication that there is optical…
\n No último século, houve grande avanço no entendimento das interações das radiações com a matéria. Essa compreensão se faz necessária para diversas aplicações, entre elas o uso de raios X no diagnóstico por imagens. Neste caso, imagens são formadas pelo contraste resultante da diferença na atenuação dos raios X pelo…
Oil spill issues are of great environmental concerns due to the carcinogenic, teratogenic and mutagenic properties of the pollutants such as polycyclic aromatic hydrocarbon (PAH). Biodegradable oil-absorbent microspheres derived from poly-β-hydroxybutyrate (PHB) were synthesized by the double emulsion- solvent (water-…
La finalidad del presente proyecto es la de analizar mediante el metodo fractografico la influencia del recubrimiento metalico Overlay depositado por proceso SMAW sobre el sustrato de acero AISI 4130 y luego evaluarlo por el codigo ASME seccion IX. Para la evaluacion del overlay por medio del codigo ASME seccion IX, s…
Design of Infra-red (IR) imaging systems requires solutions for overcoming thermal variations of IR lenses, in particular those fabricated out of Germanium. The known thermal dependence of the index of refraction of Germanium results in significant focal shift, which produces image blur. Known solutions to overcome th…
In the present work we investigate the behavior of all three components of persistent spin current in a quasi-periodic Fibonacci ring subjected to Rashba and Dresselhaus spin-orbit interactions. Analogous to persistent charge current in a conducting ring where electrons gain a Berry phase in presence of magnetic flux,…