Listar División de Nanociencias y Materiales por fecha de publicación
Mostrando ítems 81-100 de 566
-
Hierarchy in 1D carbon nanostructures: from theoretical design and properties calculation to experimental synthesis and characterization.
(2008)"A key challenge in nanotechnology is the assembly of nanostructured components (building blocks; such as DNA molecules, 0D clusters and 1D nanowires) into well ordered arrays. Based on this research trend, the core proposal ... -
Producción y caracterización de nuevos materiales: cárbon activado y materiales mesoporosos obtenidos de frijol.
(2008)"La presente investigación consistió en fundamentar con resultados experimentales la factibilidad de utilizar vaina de frijol como materia prima en la producción de carbón activado y su aplicación en la remoción de cadmio ... -
Synthesis, characterization and physical properties of carbon and boron nitride low dimensional systems.
(2008)"Carbon nanotubes are versatile materials with promising applications based on their exceptional physical properties. Their applications depend strongly on the interactions that nanotubes have with their environment. In ... -
Interaction between carbon nanotubes and biological systems.
(2008)"En esta investigación se modificaron nanotubos de carbono tipo bambú (CNx), y nanofibras cónicas de carbono (CST) con ácido nítrico a 85° C, de una a tres horas, así como con aire a alta temperatura (~400°C) en un analizador ... -
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 ... -
Riccati-parameter solutions of nonlinear second-order ODEs
(2008)"It has been proven by Rosu and Cornejo-Pérez [1, 2] that for some nonlinear second-order ODEs it is a very simple task to find one particular solution once the nonlinear equation is factorized with the use of two first-order ... -
Chaotic dynamics of a nonlinear electronic converter
(2008)"The nonlinear electronic converter used by Rulkov and collaborators [Rulkov et al., 2001], which is the core of their chaotic oscillator, is modeled and simulated numerically by means of an appropriate direct relationship ... -
Cellular automata modeling of continuous stirred tank reactors
(2008)"The classical dynamical systems model of continuous stirred tank reactors (CSTR) in which a first order chemical reaction takes place is reformulated in terms of stochastic cellular automata by extending previous works of ... -
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 ... -
Supersymmetric methods in the traveling variable: inside neurons and at the brain scale
(2008)"We apply the mathematical technique of factorization of differential operators to two different problems. First we review our results related to the supersymmetry of the Montroll kinks moving onto the microtubule walls ... -
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 ... -
Nonlinear optical absorption and reflection of single wall carbon nanotube thin films by ZZ-scan technique
(2008-02)"Both the nonlinear optical transmission and reflection characteristics of HiPco-based single wall carbon nanotube (SWNT) thin films are studied by using the ZZ-scan method with femtosecond laser pulses at a wavelength 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 ... -
Competing magnetic structures and magnetic transitions in Er(2)Ni(2)Pb: powder neutron diffraction measurements
(2008-07)"We have studied the magnetic structures of Er(2)Ni(2)Pb using a powder neutron diffraction technique in zero field. Previous bulk measurements suggested three distinct magnetic phase transitions. Our neutron diffraction ... -
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 ... -
CdSe quantum dot-decorated double walled carbon nanotubes: the effect of chemical moieties
(2008-08)"We report that fluorine atoms on the outer tubes of double walled carbon nanotubes (DWNTs) are more effective for nucleating and growing CdSe nanoparticles than oxygen-containing functional groups. The CdSe particles with ... -
Diameter-selective separation of double-walled carbon nanotubes
(2008-12)"Here, we report a simple and effective way of separating double-walled carbon nanotubes as a function of their diameter using individually dispersed nanotube solutions with the aid of long and random single-stranded DNA. ... -
Synthesis and characterization of doped single-walled carbon nanotubes and graphitic nanoribbons.
(2009)"Este trabajo concentra resultados experimentales de la síntesis de nanotubos de carbono de pared sencilla (SWNTs) y de nanolistones grafíticos, así como una extensiva caracterización de los mismos. El método de síntesis ... -
Synthesis and new properties of nanostructured zinc oxide, carbon and other layered materials.
(2009)"Existe una gran expectativa de que la Nanotecnologia impacte de manera positiva la calidad de vida a través de las nuevas aplicaciones que se deriven de esta.Dichas aplicaciones estarán basadas en fenómenos y características ... -
Sintesis, caracterización y propiedades magnéticas de sistemas nanoestructurados: tricapas Ag/Co/Ag, nanotubos de carbono-SiOx y micro-arreglos de nanotubos de carbono alineados.
(2009)"En este trabajo se presenta el estudio del efecto de la aplicación de un campo magnético a tres diferentes sistemas nanoestructurados. El primer sistema corresponde a un deposito de tres capas, consistente en una capa de ...