Browsing División de Nanociencias y Materiales by Title
Now showing items 21-40 of 528
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Aleaciones ferromagnéticas con memoria de forma Ni52.2Mn34.3In13.5 obtenidas por enfriamiento ultrarrápido
(2012)"En el presente trabajo se estudia la transformación martensítica y el comportamiento magneto-estructural de cintas obtenidas por enfriamiento ultrarrápido de una aleación ferromagnética con memoria de forma con composición ... -
Aleación de Disprosio-Níquel en forma de cinta y método de síntesis
(2008-07)"La presente invención describe y reclama una nueva aleación del compuesto intermetálico DyNi2 en forma de cinta. Asimismo, se describe una cinta útil para la refrigeración magnetocalórica a bajas temperaturas formada por ... -
An alternative factorization of the quantum harmonic oscillator and two-parameter family of self-adjoint operators
(2012)"We introduce an alternative factorization of the Hamiltonian of the quantum harmonic oscillator which leads to a two-parameter self-adjoint operator from which the standard harmonic oscillator, the one-parameter oscillators ... -
An amplitude-phase (Ermako-Lewis) approach for the Jackiw-Pi model of bilayer graphene
(2009)"In the context of bilayer graphene we use the simple gauge model of Jackiw and Pi to construct its numerical solutions in powers of the bias poten-tial V according to a general scheme due to Kravchenko. Next, using this ... -
An anticorrosive magnesium/carbon nanotube composite
(2008-02)"Here, we report a drastically improved anticorrosive characteristic of magnesium alloy composites with the introduction of multiwalled carbon nanotubes. Highly depressed corrosion of nanotube-filled magnesium composite ... -
Analysis of Ostwald ripening in Ni-rich Ni–Ti alloys by diffusion couples
(2014)"The coarsening kinetics of gamma' precipitates in Ni-rich Ni-Ti alloys are studied using a Ni-11-5 wt% Ti and pure Ni diffusion couple. The formed concentration gradient allowed to study the aging process at 1023 K (750 ... -
Analysis of the magnetic properties in hard-magnetic nanofibers composite
(American Institute of Physics, 2018)"The magnetic properties of the strontium hexaferrite nanoparticles were studied as they were embedded at different concentrations in poly(vinyl alcohol) (PVA) nanofibers. These nanoparticles were prepared using the Pechini ... -
Analytical magnetostatic model for 2D arrays of interacting magnetic nanowires and nanotubes
(Royal Society of Chemistry, 2020)"A fully analytical model to describe the magnetostatic properties of these 2D nanocylinder arrays (tubes and wires) is presented. The model allows calculating the components of the effective demagnetizing field as a ... -
Análisis de transferencia de carga electrónica en el sistema Au15 –(SPh)m, m=1, …, 6.
(2015-06)"En la década de los 90's se realizaron nuevos y diversos estudios en agregados metálicos de Au y Ag con un número pequeño de átomos con estructuras de capas llenas de n electrones (donde 2=2, 4, 6, 8, 18, 34, 54, 92…), ... -
Anchorage of small cluster of manganese oxide, zinc oxide and silver on nitrogen doped and functionalized carbon nanotubes
(2008)"Los nanotubos de carbono de pared múltiple (MWCNTs) exhiben excelentes propiedades mecánicas y electrónicas. Debido a su estructura y tamaño, los MWCNTs podrían ser utilizados como sustratos para la deposición de ... -
Anharmonic contribution to the stabilization of Mg(OH)2 from first principles
(2018)"Geometrical and vibrational characterization of magnesium hydroxide was performed using density functional theory. Four possible crystal symmetries were explored: P[3 with combining macron] (No. 147, point group −3), C2/m ... -
Antifungal Nanocomposites Inspired by Titanate Nanotubes for Complete Inactivation of Botrytis cinerea Isolated from Tomato Infection
(2016)"Antifungal silver nanocomposites inspired by titanate nanotubes (AgTNTs) were successfully evaluated for the effective inactivation of the phytopathogenic fungus Botrytis cinerea within 20 min. One-dimensional H2Ti3O7 ... -
Application of multifractal wavelet analysis to spontaneous fermentation processes
(Elsevier, 2008)"An algorithm is presented here to get more detailed information, of mixed cul-ture type, based exclusively on the biomass concentration data for fermentation processes. The analysis is performed with only the on-line ... -
Aristotle: the first encyclopedist
(2002)"Aristotle was the first to declare himself in the class of natural philosophers (physiologoi) and he was the first physicist because he spelled out the first definitions of some basic physical concepts. Moreover, he was ... -
Arresto cinético de la transformación martensítica en aleaciones Ni50Mn36In14 y Ni45Co5Mn36.8In13.2 y efecto magnetocalórico de la fase austenita en aleaciones Ni50Mn34In16-xSix (0.0 < x < 2.0)
(2017-11)"En la presente tesis se estudia el arresto cinético de la transformación martensítica en aleaciones Heusler no estequiométricas de composición nominal Ni50Mn36In14 y Ni45Co5Mn36.8In13.2, así como el efecto magnetocalórico ... -
As(V) removal capacity of FeCu bimetallic nanoparticles in aqueous solutions: the influence of Cu content and morphologic changes in bimetallic nanoparticles
(Elsevier, 2018)"In this study, bimetallic nanoparticles (BMNPs) with different mass ratios of Cu and Fe were evaluated. The influence of the morphology on the removal of pollutants was explored through theoretical and experimental studies, ... -
Atomic surface segregation and structural characterization of PdPt bimetallic nanoparticles
(MDPI, 2018)"Bimetallic nanoparticles are of interest since they lead to many interesting electrical, chemical, catalytic, and optical properties. They are particularly important in the field of catalysis since they show superior ... -
Attachment of transition metal nanoparticles on nitrogen doped carbon nanotubes (MWNTs-CNx) and their further reactions.
(2006)"The MWNTs-CNx exhibit important electronic and mechanical properties, that together with its small diameter, make them attractive for sensors production, substances specific filters and as field electrodes. Due to their ... -
AuNPs funcionalizadas con β-Ciclodextrina, NH2-PEG-SH y ácido fólico como potenciales sistemas de tratamiento contra el cáncer.
(2018-08)"Los nanomateriales de origen tecnológico como lo son las nanopartículas de oro (AuNPs) han sido extensamente estudiados para su aplicación en la nanomedicina, sin embargo hay muy pocos ejemplos de productos nanotecnológicos ... -
Auto-ensamblado de cristales líquidos en nano-gotas
(2021-06)"Existen fases intermedias entre el líquido y el sólido, son llamadas mesofases. Los materiales que presentan estas mesofases son conocidos como cristales líquidos (CLs), estos son capaces de auto-ensamblarse según las ...