Artículos (Instituto de Ciencia de Materiales de Sevilla (ICMS) – CIC Cartuja)
Recent Submissions
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First order transitions by conduction calorimetry: Application to deuterated potassium dihydrogen phosphate ferroelastic crystal under uniaxial pressure [Article]
(AIP Publishing, 1997)The specific heat c and the heat power W exchanged by a Deuterated Potassium Dihydrogen Phosphate ferroelectric-ferroelastic crystal have been measured simultaneously for both decreasing and increasing temperature at a low ...
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Evidence of spin disorder at the surface–core interface of oxygen passivated Fe nanoparticles [Article]
(AIP Publishing, 1998)Hysteresis, thermal dependence of magnetization, and coercivity of oxide coated ultrafine Fe particles prepared by inert gas condensation and oxygen passivation have been studied in the 5–300 K range. The results are ...
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Low molecular weight ϵ-caprolactone-pcoumaric acid copolymers as potential biomaterials for skin regeneration applications [Article]
(Public Library of Science, 2019-04)ϵ-caprolactone-p-coumaric acid copolymers at different mole ratios (ϵ-caprolactone:p-coumaric acid 1:0, 10:1, 8:1, 6:1, 4:1, and 2:1) were synthesized by melt-polycondensation and using 4-dodecylbenzene sulfonic acid as ...
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Transparent and robust all-cellulose nanocomposite packaging materials prepared in a mixture of trifluoroacetic acid and trifluoroacetic anhydride [Article]
(Multidisciplinary Digital Publishing Institute (MDPI), 2019-03)All-cellulose composites with a potential application as food packaging films were prepared by dissolving microcrystalline cellulose in a mixture of trifluoroacetic acid and trifluoroacetic anhydride, adding cellulose ...
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Differences in the Catalytic Behavior of Au-Metalized TiO2 Systems During Phenol Photo-Degradation and CO Oxidation [Article]
(Multidisciplinary Digital Publishing Institute (MDPI), 2019-04-03)For this present work, a series of Au-metallized TiO 2 catalysts were synthesized and characterized in order to compare their performance in two different catalytic environments: the phenol degradation that occurs during ...
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Rare earth based nanostructured materials: Synthesis, functionalization, properties and bioimaging and biosensing applications [Article]
(Walter de Gruyter, 2017)Rare earth based nanostructures constitute a type of functional materials widely used and studied in the recent literature. The purpose of this review is to provide a general and comprehensive overview of the current state ...
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Fluorinated and Platinized Titania as Effective Materials in the Photocatalytic Treatment of Dyestuffs and Stained Wastewater Coming from Handicrafts Factories [Article]
(MDPI, 2019-02)In this study, commercial and lab-prepared TiO 2 were modified by fluorination and platinum photodeposition; and the effect of these modifications over the physicochemical and photocatalytic properties of TiO 2 was evaluated. ...
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Influence of temperature and time on the Eu3+ reaction with synthetic Na-Mica-n (n = 2 and 4) [Article]
(Elsevier, 2016)Bentonite is accepted as the best clay material for the engineered barrier of Deep Geological Repositories (DGRs). The performance of clay as the main component of the engineered barrier in the DGR has been intensively ...
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Perspectives on oblique angle deposition of thin films: From fundamentals to devices [Article]
(Elsevier, 2016)The oblique angle configuration has emerged as an invaluable tool for the deposition of nanostructured thin films. This review develops an up to date description of its principles, including the atomistic mechanisms governing ...
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Nanostructured Ti thin films by magnetron sputtering at oblique angles [Article]
(Institute of Physics Publishing, 2016)The growth of Ti thin films by the magnetron sputtering technique at oblique angles and at room temperature is analysed from both experimental and theoretical points of view. Unlike other materials deposited in similar ...
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Acicular iron nanoparticles protected against sintering with aluminium oxide [Article]
(Sociedad Española de Cerámica y Vidrio, 2004)Acicular iron nanoparticles have been obtained by thermal reduction with hydrogen of a goethite precursor protected against sintering with Al cations, either by doping during the synthesis or by a further coating and the ...
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Aplicacion de la tecnica PIXE (Particle Induced X-Ray Emision) a la caracterización no destructiva de una pieza de ajuar funerario (siglo I d.c.) procedente de una excavacion arqueologica (antiguo Hospital de las Cinco Llagas, Sevilla) [Article]
(Sociedad Española de Cerámica y Vidrio, 2002)En el presente trabajo se ha realizado la caracterización de una pieza de ajuar funerario del Siglo I d.C. (anillo con pieza incrustada y grabada), encontrado en una excavación arqueológica en el antiguo Hospital de las ...
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Análisis de la microfábrica del cuarzo en los resister cuarcíticos de la zona de cizalla dúctil de la Garganta de las Pozas, parte central del Macizo de Gredos [Article]
(Sociedad Geológica de España, 2007)The NE-SW «Garganta de las Pozas» ductile shear zone goes along the contact between one of the granodioritic sheets mapped and the «Refugio del Rey» anatectic complex. As well as the descriptive work, it has been determined ...
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Photonic crystal properties of packed submicrometric SiO2 spheres [Article]
(American Institute of Physics, 1997)In this letter, we investigate the optical properties of packed monodisperse silica submicron spheres by means of optical transmission measurements. The results are compatible with a three dimensional face centered cubic ...
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Reforming of ethanol in a microwave surface-wave plasma discharge [Article]
(American Institute of Physics, 2004)Hydrogen production through plasma reforming of ethanol at room temperature and moderate pressure has been carried out in a microwave surface-wave reactor. Both pure ethanol and mixtures ethanol-water have been studied. ...
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Dependence of exchange anisotropy and coercivity on the Fe–oxide structure in oxygen-passivated Fe nanoparticles [Article]
(American Institute of Physics, 1999)Ultrafine Fe particles have been prepared by the inert gas condensation method and subsequently oxygen passivated. The as-obtained particles consist in an Fe core surrounded by an amorphous Fe-oxide surface layer. The ...
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Measuring the electron temperature by optical emission spectroscopy in two temperature plasmas at atmospheric pressure: A critical approach [Article]
(American Institute of Physics, 2006)The measurement of the electron mean kinetic energy by identifying the electron temperature and the excitation temperature obtained by optical emission spectroscopy is theoretically studied for two temperature argon plasmas ...
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Determination of texture by infrared spectroscopy in titanium oxide–anatase thin films [Article]
(American Institute of Physics, 2003)A theoretical model to determine the effective dielectric tensor of heterogeneous materials composed by anisotropic microcrystallites has been introduced to explain the infrared spectral features of textured thin films of ...
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Electronic state characterization of SiOx thin films prepared by evaporation [Article]
(American Institute of Physics, 2005)SiOx thin films with different stoichiometries from SiO1.3 to SiO1.8 have been prepared by evaporation of silicon monoxide in vacuum or under well-controlled partial pressures of oxygen (P<10–6 Torr). These thin films have ...
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Phase delay and group velocity determination at a planar defect state in three dimensional photonic crystals [Article]
(American Institute of Physics, 2007)Phase sensitive optical transmission measurements have been performed on three dimensional opal-based photonic crystals containing a planar defect. From numerical derivation of the measured phase, the group velocity has ...