Listar División de Nanociencias y Materiales por autor "Morán López, José Luis"
Mostrando ítems 1-18 de 18
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A first principles systematic study of the structural, electronic, and magnetic properties of Heusler X2MnZ with X = Fe, Co, Ni, Cu, Ru, Rh, Pd, Ag, Pt, Au and Z = Al, Si, Ga, Ge, In and Sn
Aguilera Granja, Juan Faustino; Aguilera del Toro, Rodrigo Humberto; Morán López, José Luis (IOP Publishing, 2019)"An exhaustive study of the structural stability, electronic, and magnetic properties of the ternary X2MnZ Heusler alloys, in cubic and tetragonal lattice cells, is presented. We performed density-functional-theory (DFT) ... -
El desarrollo de la Física en San Luis Potosí Parte 2: de la fundación de la Escuela e Instituto de Física a la actualidad
Morán López, José Luis; Martínez Mendoza, José Refugio (Sociedad Mexicana de Física, 2020) -
El desarrollo de la Física en San Luis Potosí Parte I: de la época colonial a la institucionalización de la física
Morán López, José Luis; Martínez Mendoza, José Refugio (Sociedad Mexicana de Física, 2020) -
El meteorito Charcas y su impacto
Morán López, José Luis (Sociedad Mexicana de Física, 2007) -
Energetics and the magnetic state of Mn2 adsorbed on Au(111): Dimer bond distance dependence
López Moreno, Sinhué; Mejía López, José; Muñoz, Francisco J.; Calles Martínez, Alipio Gustavo; Morán López, José Luis (Elsevier, 2016)"In this work we present a theoretical study of the adsorption Mn2 dimer on the Au(111) surface. Here we use the density functional theory to construct a map of adsorption energies, EA, of Mn2 on a Au(111) surface as a ... -
First-principles study of Mn3adsorbed on Au(111) and Cu(111) surfaces
Hernández Vázquez, Esther Elena; López Moreno, Sinhué; Muñoz, Francisco J.; Ricardo Chávez, José Luis; Morán López, José Luis (Royal Society of Chemistry, 2021)"A theoretical study of the Mn trimer adsorbed on the noble metal surfaces Au(111) and Cu(111) is reported. The calculations were performed using first-principles methods within the density functional theory and the ... -
First-principles study of Ni adatom migration on graphene with vacancies
Hernández Vázquez, Esther Elena; Muñoz, Francisco J.; López Moreno, Sinhué; Morán López, José Luis (Royal Society of Chemistry, 2019)"A theoretical study based on first-principles calculations about the interaction and diffusion of Ni atoms on pristine graphene and graphene with a single vacancy is presented. In the first case, we explored the structural ... -
Growth of Ni nanoclusters on irradiated graphene: A molecular dynamics study
Valencia, Felipe J.; Hernández Vázquez, Esther Elena; Bringa, Eduardo M.; Morán López, José Luis; Rogan Castillo, José; González, Rafael I.; Muñoz, Francisco J. (Royal Society of Chemistry, 2018)"We studied the soft landing of Ni atoms on a previously damaged graphene sheet by means of molecular dynamics simulations. We found a monotonic decrease of the cluster frequency as a function of its size, but few big ... -
Magnetic fields produced by non-concentric and non-coplanar currents in circular loops
Espejel Morales, Raúl Arturo; Murguía Romero, Gabriela; Calles Martínez, Alipio Gustavo; Morán López, José Luis (IOP Publishing, 2019)"A numerical calculation for the stationary magnetic field produced by arrangements of non-concentric and non-coplanar loop current circuits is presented. The calculation is done by superposing the solution of the magnetic ... -
Magnetic properties of Fe nanoclusters: ab initio calculations of FeN N = 9,15, 27, 51, and 59
López Laurrabaquio, Guadalupe; Pérez Alvarez, Mario; Montejano Carrizales, Juan Martín; Aguilera Granja, Juan Faustino; Morán López, José Luis (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
Pedro Gilberto, Alvarado Leyva; Montejano Carrizales, Juan Martín; Morán López, José Luis (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 ... -
New advances in magnetic nanostructures
Morán López, José Luis (2007)"Some of the new developments on magnetic nanostructures are reviewed. The advances on the synthesis, characterization, and understanding of magnetic nanoclusters, magnetic nanowires and single molecule magnets are discussed. ... -
Niederhauser's model for epilepsy and wavelet methods
Treviño Gutiérrez, Juan Pablo; Castillo Torres, Victor Hugo; Rosu Barbus, Haret-Codratian; Morán López, José Luis; Murguía, José (2006-06)"Wavelets and wavelet transforms (WT) could be a very useful tool to analyze electroencephalogram (EEG) signals. To illustrate the WT method we make use of a simple electric circuit model introduced by Niederhauser [1], ... -
Planeación en la era de las pandemias; una visión de futuro
Laclette, Juan Pedro; Morán López, José Luis (Academia Mexicana de Ciencias, 2020)"La pandemia ocasionada por el SARS-CoV-2 ha puesto al mundo entero al borde del colapso económico y de salud. Sorprende la falta de previsión en muchos países, México entre ellos. Tenemos la certeza de que otros eventos ... -
Propiedades estructurales y magnéticas de aleaciones subnanométricas de FePt
Ponce Tadeo, Ana Paulina (2018-08)"Las nanoaleaciones binarias, compuestas por metales de transición, han sido objeto de numerosos estudios, ya que se espera que las propiedades de los elementos individuales se acoplen y potencialicen al ser mezclados. Del ... -
Propiedades magnéticas de agregados de metales 3d adsorbidos sobre superficies no magnéticas
Hernández Vázquez, Esther Elena (01/11/2019)The magnetic elements of the 3d row of the periodic table, have been extensively studied from an experimental and theoretical points of view. The study of these systems has been encouraged because their possible applications ... -
Stationary states in a potential well
Rosu Barbus, Haret-Codratian; Morán López, José Luis (UNESCO, 2007)"In the early days of the 20th century a set of important observations in atomic and molecular physics could not be explained on the basis of the laws of classical physics. One of the main findings was the emission of light ... -
The geometrical characteristics of fcc, hcp, and polycrystalline nanowires: simulations of transmission electron microscopy images and diffraction patterns
Montejano Carrizales, Juan Martín; Guirado López, Ricardo Alberto; Rodríguez López, José Luis; Morán López, José Luis (2009-08)"To theoretically study the physicochemical properties of nanowires, it is necessary to build the corresponding atomic geometrical models. Here we present the geometrical characteristics of nanowires with fcc, hcp, and ...