Now showing items 1-20 of 147

    • 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) ...
    • A functional assembly of SiO2 nanospheres/graphene oxide composites 

      Iturbe Ek, Jackeline; Andrade Martínez, Jonatan; Gómez, Ricardo; Rodríguez González, Vicente (Elsevier, 2015)
      "A novel assembly of SiO2 nanospheres functionalized on graphene oxide (GO) sheets was prepared by a one-step microwave-hydrothermal method. The nanocomposites were well characterized and investigated to study their Rhodamine ...
    • Acoustic emission avalanches during compression of granular manganites 

      Soto-Parra, Daniel Enrique; Vives, Eduard; Botello Zubiate, Maria Eugenia; Matutes Aquino, José Andrés; Planes, Antoni (American Institute of Physics, 2018)
      "We have studied acoustic emission (AE) during compression of La0.8Ca0.28Sr0.08MnO2.7 manganites with different microstructures obtained by selected synthesis techniques. In ceramic samples with large grains obtained by a ...
    • Additive and multiplicative noises acting simultaneously on Ermakov-Ray-Reid systems 

      Cervantes López, Ernesto; Espinoza Padilla, Pedro Basilio; Gallegos Infante, Luis Armando; Rosu Barbus, Haret-Codratian (2016)
      "We investigate numerically the effect of additive and multiplicative noises on parametric oscillator systems of Ermakov-Ray-Reid type when both noises act simultaneously. We find that the main perturbation effects on the ...
    • Adiabatic magnetocaloric effect in Ni50Mn35In15 ribbons 

      Álvarez Alonso, Pablo; Aguilar Ortiz, Christian Omar; Camarillo García, Juan Pablo Ramón; Salazar Jaramillo, Daniel; Flores Zúñiga, Horacio; Chernenko, Volodymyr (2016-11)
      "Heusler-type Ni-Mn-based metamagnetic shape memory alloys (MetaMSMAs) are promising candidates for magnetic refrigeration. To increase heat exchange rate and efficiency of cooling, the material should have a high ...
    • An anticorrosive magnesium/carbon nanotube composite 

      Endo, Morinobu; Hayashi, Takuya; Itoh, Isao; Kim, Yoong Ahm; Shimamoto, Daisuke; Muramatsu, Hiroyukim; Shimizu, Yasuo; Morimoto, Shingo; Terrones Maldonado, Mauricio; Iinou, Satoshi; Koide, S. (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 the magnetic properties in hard-magnetic nanofibers composite 

      Murillo Ortiz, Raquel; Mirabal García, Manuel; Martínez Huerta, Juan Manuel; Cabal Velarde, Javier Gustavo; Castañeda Robles, Ivan Erick; Lobo Guerrero, Azdrubal (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 ...
    • Barotropic FRW cosmologies with a Dirac-like parameter 

      Rosu Barbus, Haret-Codratian; López Sandoval, Román (2004)
      "Using the known connection between Schroedinger-like equations and Dirac-like equations in the supersymmetric context, we discuss an extension of FRW barotropic cosmologies in which a Dirac mass-like parameter is introduced. ...
    • BiFeO3 codoping with Ba, La and Ti: Magnetic and structural studies 

      García Zaldívar, Osmany; Díaz Castañón, Sergio; Espinoza-Beltran, Francisco Javier; Hernandez-Landaverde, Martín Adelaido; Lopez, Gustavo; Faloh Gandarilla, Jael Cristina; Calderón Piñar, Francisco de Paula (World Scientific , 2015)
      "Conventional solid state reaction method, from oxides and carbonates, was employed to prepare bismuth (Bi)-based multiferroic systems. The undoped BiFeO3 (BFO) and the codoped system with Ba, La and Ti (Bi1?xBaxFe1?yTiyO3, ...
    • Caloric effects induced by magnetic and mechanical fields in a Ni50Mn25-xGa25Cox magnetic shape memory alloy 

      Castillo Villa, Pedro Osmany; Soto-Parra, Daniel Enrique; Matutes Aquino, José Andrés; Ochoa-Gamboa, Raul Armando; Planes, Antoni; Mañosa, Lluis; González Alonso, David; Stipcich, Marcelo; Romero, Ricardo; Ríos Jara, David; Flores Zúñiga, Horacio (2011-05)
      "We have studied the elastocaloric effect in a Co-doped Ni-Mn-Ga magnetic Heusler shape memory alloy in the vicinity of its martensitic transition. Measurements of the length change as a function of temperature have been ...
    • CdSe quantum dot-decorated double walled carbon nanotubes: the effect of chemical moieties 

      Kim, Yoong Ahm; Muramatsu, Hiroyukim; Park, Ki-chul; Shimamoto, Daisuke; Jung, Yong-chae; Kim, Jin-hee; Hayashi, Takuya; Saito, Yasunori; Endo, Morinobu; Terrones Maldonado, Mauricio; Dresselhaus, Mildred (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 ...
    • Cerium-doped β-Ni(OH)2 hexagon nanosheets: an effective photocatalyst for the degradation of the emerging water pollutant, naproxen 

      Regmi, Chhabilal; Maya Flores, Etel; Lee, Soo Wohn; Rodríguez González, Vicente (2018)
      "Nickel hydroxide β–Ni(OH)2 hexagonal nanosheets were synthetized via a hydrothermal exfoliation process. The practical microwave-assisted hydrothermal method facilitated obtaining layered nickel 3D nanoplates with cerium ...
    • Characterization of the kinetic arrest of martensitic transformation in Ni45Co5Mn36.8In13.2 melt-spun ribbons 

      Lino Zapata, Francisco Manuel; Yan, Haile; Ríos Jara, David; Sánchez Llamazares, José Luis; Zhang, Yudong; Zhao, Xingke; Zuo, Liang (Elsevier, 2018)
      "The kinetic arrest (KA) of martensitic transformation (MT) observed in Ni45Co5Mn36.8In13.2 melt-spun ribbons has been studied. These alloy ribbons show an ordered columnar-like grain microstructure with the longer grain ...
    • Classical harmonic oscillator with Dirac-like parameters and possible applications 

      Rosu Barbus, Haret-Codratian; Cornejo Pérez, Octavio; López Sandoval, Román (2004)
      "We obtain a class of parametric oscillation modes that we call K-modes with damping and absorption that are connected to the classical harmonic oscillator modes through the “supersymmetric” one-dimensional matrix procedure ...
    • Cobalt double-ring and double-dot structures: Magnetic properties 

      López Urías, Florentino; Torres Heredia, José Jesús; Muñoz Sandoval, Emilio (2016)
      "The magnetization reversal mechanism of nanostructures of cobalt double-rings (D-rings) and double-dots (D-dots) is investigated in the framework of micromagnetic simulations. The arrays contain two identical coupled rings ...
    • Comment on demystifying the constancy of the Ermakov-Lewis invariant for a time-dependent oscillator 

      Gallegos Infante, Luis Armando; Rosu Barbus, Haret-Codratian (World Scientific Publishing Company, 2018)
      "We show that a simple modification of the Lagrangian proposed by Padmanabhan in the paper [Mod. Phys. Lett. A33, 1830005 (2018)] leads to the most general dynamical invariant in [Ray and Reid, Phys. Lett. A71, 317 (1979)]."
    • Competing magnetic structures and magnetic transitions in Er(2)Ni(2)Pb: powder neutron diffraction measurements 

      Muñoz Sandoval, Emilio (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 ...
    • Complex refractive index of InXGa1-XN thin films grown on cubic (100) GaN/MgO 

      Vilchis, Heber; Compeán García, Vicente Damián; Orozco Hinostroza, Ignacio Everardo; López Luna, Edgar; Vidal Borbolla, Miguel Ángel; Rodríguez Vázquez, Angel Gabriel (Elsevier, 2017)
      "Spectroscopic ellipsometry measurements of InXGa1-XN thin films were carried out in the photon energy range from 0.6 to 4.75 eV. The samples were grown on cubic GaN/MgO (100) template substrates by plasma assisted molecular ...
    • Controllable biosynthesis of small silver nanoparticles using fungal extract 

      Quester, Katrin; Ávalos Borja, Miguel; Castro Longoria, Ernestina (2016-04)
      "The search for reliable and eco-friendly methods for the production of nanoscale materials is an important aspect of nanotechnology. Silver nanoparticles (AgNPs) are of special interest because of their antimicrobial ...
    • Controlled growth of one-dimensional clusters of molybdenum atoms using double-walled carbon nanotube templating 

      Tao, Yousheng; Muramatsu, Hiroyukim; Hayashi, Takuya; Kim, Yoong Ahm; Shimamoto, Daisuke; Endo, Morinobu; Kaneko, Katsumi; Terrones Maldonado, Mauricio; Dresselhaus, Mildred (2009)
      "We report the controlled growth of one-dimensional clusters of molybdenum atoms inside the inner cores of double-walled carbon nanotubes. A combined characterization including high resolution transmission electron microscopy, ...