Browsing Publicaciones Científicas Nanociencias y Materiales by Title
Now showing items 273-292 of 564
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Magnetic matrices used in high gradient magnetic separation (HGMS): a review
(2017)"HGMS is effective in separating or filtering fine and weakly magnetic particles and widely applied in mineral processing, water treatment, cell and protein purification. The magnetic matrix is a crucial device used in ... -
Magnetic properties and size distribution of magnetite nanoparticles covered by oleic acid
(2017)"The particle size and particle size distribution are very important to biomedical applications because the uptake of nanoparticles is strongly dependent on particle size. Oleic acid coated magnetite nanoparticles were ... -
Magnetic properties of Fe nanoclusters: ab initio calculations of FeN N = 9,15, 27, 51, and 59
(Sociedad Mexicana de Física, A. C., 2006)"The magnetic properties of iron clusters (FeN, N = 9, 15, 27, 51, and 59 atoms) at T = 0 K with bcc–like structure and bulk parameters are studied using ab initio methods. In these studies we consider the spin–orbit ... -
Magnetic properties of fe1 / crn nanoinclusions in fe
(Sociedad Mexicana de Física, A. C., 2002)"The magnetic properties of Fe1/CrN inclusions in a Fe matrix are calculated as a function of the Cr number of atoms N at zero temperature, and for N ? 168. The electronic structure is determined by using a realistic ... -
Magnetic structure and magneto-volume anomalies in Er(2)Fe(17) compound
(2011)"Neutron powder diffraction shows that the intermetallic Er(2)Fe(17) compound with hexagonal crystal structure has a ferrimagnetic ground state (T(C) = 303 K). At T = 5 K the magnetic moments of Fe sublattice (mu similar ... -
Magnetic, thermal and magnetocaloric properties of Ni50Mn35In14.5B0.5 ribbons
(VBRI Press, 2017)"The structural, thermal, magnetic, and magnetocaloric properties of Ni50Mn35In14.5B0.5 melt-spun ribbons have been investigated using room-temperature x-ray diffraction (XRD), differential scanning calorimetry (DSC), and ... -
Magnetism of carbon nanostructures and in situ TEM dynamic transformations of carbon-based nanomaterials.
(2007)"Durante las últimas dos décadas se ha logrado sintetizar materiales de carbono con distintas formas estructurales y dimensiones en el orden de nanómetros, siendo los fullerenos y los nanotubos de carbono (NTC) dos ejemplos ... -
Magnetite nanoparticles as adsorbent material for Cu2+ ions from aqueous solution
(2018)"Cu2+ ions can cause serious injuries to human health, at both high and low concentrations. Therefore, it is important not only to remove Cu2+ ions from aqueous media, but also to develop analytical methods for their ... -
Magneto-caloric effect in the pseudo-binary intermetallic YPrFe17 compound
(Elsevier, 2011)"We have synthesized the intermetallic YPrFe17 compound by arc-melting. X-ray and neutron powder diffraction show that the crystal structure is rhombohedral with space group (Th2Zn17-type). The investigated compound ... -
Magnetocaloric effect in ErNi2 melt-spun ribbons
(Elsevier, 2019)"ErNi2 ribbons were produced by rapid solidification using the melt spinning technique. Their structural, magnetic and magnetocaloric properties in the as-solidified state were studied by X-ray diffraction, scanning electron ... -
Magnetocaloric effect in ErNi2 melt-spun ribbons
(Elsevier, 2020)"ErNi2 ribbons were produced by rapid solidification using the melt spinning technique. Their structural, magnetic and magnetocaloric properties in the as-solidified state were studied by X-ray diffraction, scanning electron ... -
Magnetocaloric effect in nanostructured Pr2Fe17 and Nd2Fe17 synthesized by high-energy ball-milling
(2010-11)"Nanocrystalline Pr2Fe17 and Nd2Fe17 powders with rhombohedral Th2Zn17-type crystal structure and average particle sizes around 20 nm have been obtained by high-energy ball milling While the bulk alloys show a well-defined ... -
Magnetocaloric effect in the low hysteresis Ni-Mn-In metamagnetic shape-memory Heusler alloy
(2014-05)"We have studied magnetocaloric properties of a Ni-Mn-In metamagnetic shape-memory alloy especially designed in order to display low thermal hysteresis. Magnetization and calorimetric measurements under a magnetic field ... -
Magnetocaloric properties of rapidly solidified Dy3Co alloy ribbons
(2015-05)"The magnetic and magnetocaloric (MC) properties of melt-spun ribbons of the Dy3Co intermetallic compound were investigated. Samples were fabricated in an Ar environment using a homemade melt spinner system at a linear ... -
Magnetostructural transition and magnetocaloric effect in MnNiGe1.05 melt-spun ribbons
(2014-05)"Alloy ribbons of nominal composition MnNiGe1.05 were produced using the melt-spinning technique. As-quenched (aq) polycrystalline ribbons are single-phase showing the hexagonal Ni2In-type crystal structure. After thermal ... -
Magnetostructural transitions and magnetocaloric effects in Ni50Mn35In14.25B0.75 ribbons
(American Institute of Physics, 2018)"The structural, thermal, and magnetic behaviors, as well as the martensitic phase transformation and related magnetocaloric response of Ni50Mn35In14.25B0.75 annealed ribbons have been investigated using room-temperature ... -
Magnetovolume and magnetocaloric effects in Er2Fe17
(2012-11)"Combining different experimental techniques, investigations in hexagonal P6(3)/mmc Er2Fe17 showremarkable magnetovolume anomalies below the Curie temperature, T-C. The spontaneous magnetostriction reaches 1.6 x 10(-2) at ... -
Materiales compósitos con anisotropía magnética reprogramable
(2023-07)En el presente trabajo se han desarrollado materiales compuestos magnéticos con la particularidad de que sus propiedades de anisotropía magnética son reconfigurables o reprogramables. Esto se ha logrado empleando una matriz ... -
Materials and devices for organic electronics
(Hindawi Publishing Corporation, 2011) -
Matrix approach of an encryption system based on cellular automata and its numerical implementation
(2012)"The main components of an encryption system based on rule 90 cellular automata, i.e., two indexed families of permutations and a pseudorandom bit generator are implemented in a very xible way through a convenient matrix ...