Listar División de Nanociencias y Materiales por título
Mostrando ítems 123-142 de 595
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Efecto de un cuarto elemento sobre la histéresis de la transformación martensítica de una aleación Ni-Mn-Ti
(2024-07)"Se elaboraron aleaciones Ni-Mn-Ti, mediante fusión en horno de arco, con el fin de encontrar composiciones para una aleación monofásica; de las cuales la que básicamente presentó una fase fue Ni47Mn43Ti10. A partir de ... -
Efecto elastocalórico en una aleación Ni-Fe-Ga-Mn anisotrópica elaborada por sinterizado por descarga de plasma (SPS)
(2018-02)"Algunas aleaciones del sistema Ni-fe-Ga-Mn presentan transformación martensítica en el intervalo de temperatura ambiente. Las temperaturas de transición se pueden modificar dependiendo de la composición y metodologías de ... -
Efecto magnetocalórico en cintas de los compuestos intermetálicos RNi2 (R= Tb, Dy, Ho, Er) y RAl2 (R= Tb, Dy, Er) obtenidas por solidificación rápida
(2017)"Varios compuestos intemetálicos en los sistemas binarios RNi2 y RAl2 (R= tierra rara) presentan buenas propiedades magnetocalóricas en el rango de temperatura entre 10 y 80 K, lo que permite su utilización como sustancias ... -
Efecto magnetocalórico en cintas obtenidas por enfriamiento ultrarrápido del compuesto intermetálico DyNi2
(2013)"The magnetocaloric (MC) properties of Laves phases have been extensively investigated in the last fifteen years. Several intermetallic compounds in the RCo2, RAl2, and RNi2 systems (R= rare earth), shows good MC properties ... -
Efecto talbot unidimensional y bidimensional
(2014)"En este trabajo se muestran los resultados de los experimentos realizados en el verano del 2014 en el IPICYT, para corroborar la existencia del efecto Talbot el cual consiste en la reaparición de una imagen nítida de un ... -
Efectos desmagnetizantes en materiales magnéticos no continuos
(2018-07)"En este trabajo se propone un modelo de campo medio para describir los efectos desmagnetizantes en sistemas magnéticos que contienen inclusiones no-magnéticas, como pueden ser poros, huecos, fases no magnéticas, entre ... -
Effect of an electric field within microscopy focused ion beam (FIB) between manipulator sharp and the ion trap of the electron detector
(2011)"The manipulation of samples with micro manipulators sharps in the normal axis to the observation plane is practically blind in microscopy focused ion beam (FIB) mono beam. The application of a negative potential to the ... -
Effect of ball to powder ratio on the mechanosynthesis of Re2C and its compressibility
(Elsevier, 2019)"The mechanosynthesis of hexagonal rhenium carbide (Re2C) from the elements is explored as a function of the balls to powder ratio (BPR). Burgios's equation has been used to calculate the accumulated energy (Delta E-accum) ... -
Effect of Mg as impurity on the structure of mesoporous γ-Al203: efficiency as catalytic support in HDS of DBT
(Walter de Gruyter GmbH, 2018)"This work shows the study of two alumina materials synthesized from aluminum sulfate with different purity by hydrolysis-precipitation route. The main difference between the aluminum salt precursors was the lower cost of ... -
Effect of packing on the cohesive and electronic properties of methanofullerene crystals
(2008-07)"The crystal structure, cohesive energy, and electronic properties of bulk phases of the fullerene derivative [6, 6]-phenyl-C(61)-butyric-acid-methyl-ester (PCBM) have been calculated using ab initio density-functional ... -
Effect of Pluronic P103 Concentration on the Simple Synthesis of Ag and Au Nanoparticles and Their Application in Anatase-TiO2 Decoration for Its Use in Photocatalysis
(MDPI, 2022)"Silver and gold nanoparticles were synthesized under environmentally-friendly reaction conditions by using a biodegradable copolymer and water as a solvent. The triblock copolymer Pluronic P103 was utilized as a stabilizing ... -
Effect of silicon dots into coconut fibers on the nucleating capacity of β-crystals of polypropylene
(Universidad Autónoma Metropolitana, 2021)"Three concentrations of sodium hydroxide (3, 5, and 7% based on a composition by weight) and 2 reaction times (1 and 4 h) were used to treat coconut fiber. According to the results, the inclusion of treated fiber in polymer ... -
Effect of solidification rate on martensitic transformation behavior and adiabatic magnetocaloric effect of Ni50Mn35In15 ribbons
(Elsevier, 2018)"Ni50Mn35In15 compound has become an archetype for investigating the functional properties of metamagnetic shape memory alloys. We have fabricated Ni50Mn35In15 melt spun ribbons to study the crystal structure, microstructure, ... -
Effect of the anchoring strength on the phase behaviour of discotic liquid crystals under face-on confinement
(IOP Publishing, 2019)"In this study we have performed molecular dynamics simulations to study a Gay-Berne discotic fluid confined in a slab geometry for a fixed confinement length. Four different anchoring strengths with a homeotropic (face-on) ... -
Effect of the thickness of insulator polymeric films on the memory behavior: the case of the polymethylmethacrylate and the polystyrene
(2011)"The effect of thickness variation on the memory behavior of the polymethylmethacrylate-(PMMA)-based devices has been investigated. The PMMA film thicknesses have been varied between 5 to 300 nm, and we have found that the ... -
Effective photoreduction of a nitroaromatic environmental endocrine disruptor by AgNPs functionalized on nanocrystalline TiO2
(2015)"Unprecedented photoactivity of silver nanoparticles photodeposited on nanocrystalline TiO2 for the efficient reduction of 4-nitrophenol at room temperature is reported. The use of Na2SO3 as a harmless scavenger agent for ... -
Effects of DC Magnetic Fields on Magnetoliposomes
(Frontiers Media S.A., 2021)"The potential use of magnetic nanoparticles (MNPs) in biomedicine as magnetic resonance, drug delivery, imagenology, hyperthermia, biosensors, and biological separation has been studied in different laboratories. One of ... -
Effects of functionalization and doping in carbon nanotubes for fabricating field effect transistors and cluster-nanotube systems: theory and experiment
(2011-09)"This Thesis work has the experimental and theoretical results on modified carbon nanotubes with different functional groups, doped or decorated with nanoparticles, which modify their properties and interaction with the ... -
Efficient carbon nanotube sponges production boosted by acetone in CVD-Synthesis
(2018)"A high production of nitrogen-doped carbon nanotube sponges (N-CNS) was obtained at 1020 °C with 4 h of growth in an aerosol-assisted chemical vapor deposition (AACVD) experiment modified with two independent sprayers ... -
Eigenvalue problems, spectral parameter power series, and modern applications
(2015)"Our review is dedicated to a wide class of spectral and transmission problems arising in di?erent branches of applied physics. One of the main di?culties in studying and solving eigenvalue problems for operators with ...