Repositorio IPICyT: Recent submissions

Now showing items 741-760 of 2345

    • Stabilisation of small mono- and bimetallic gold–silver nanoparticles using calix[8]arene derivatives 

      Ray, Priyanka; Clément, Marie; Martini, Cyril; Abdellah, Ibrahim; Beaunier, Patricia; Rodríguez López, José Luis; Huc, Vincent; Remita, Hynd; Lampre, Isabelle (Royal Society of Chemistry, 2018)
      "In this paper, we report the synthesis of octa(hydroxy)-octa(mercaptobutoxy)calix[8]arene and its use as a stabiliser of nanoparticles (NPs). We show that the reduction of gold and/or silver ions in the presence of this ...

    • Viscosity and normal stress forces of Lennard-Jones chains using reverse non-equilibrium molecular dynamics 

      Ramírez González, Patsy Verónica; Escobar Barrios, Vladimir Alonso (Taylor & Francis, 2017)
      "Reverse non-equilibrium molecular dynamics was applied for the calculation of the viscosity for different chain lengths. Each chain consisted of m tangent spherical sites, where m was 1, 2, 4, 8 or 16, respectively. From ...

    • Shape-anisotropic nickel-PDMS composites with uniaxial magnetic anisotropy obtained by emulsification under magnetic field 

      Cabal Velarde, Javier Gustavo; Guerrero Serrano, Azdrubal Lobo; Romero Tela, Eva; García Gallegos, Jesús Hazael; Sánchez Llamazares, José Luis; Encinas Oropesa, Armando (Springer, 2017)
      "Magnetic microcomposites were fabricated by emulsification of a mixture of polydimethylsiloxane (PDMS) and nickel microparticles. The composites were obtained in a temperature-controlled water-surfactant media with and ...

    • Surface modification of TiO2 with Ag nanoparticles and CuO nanoclusters for application in photocatalysis 

      Méndez Medrano, María Guadalupe; Kowalska, Ewa; Lehoux, Anaïs; Hérissan, Alexandre; Ohtani, Bunsho; Bahena Uribe, Daniel; Briois, Valérie; Colbeau Justin, Christophe; Rodríguez López, José Luis; Remita, Hynd (American Chemical Society, 2016)
      "Ag and CuO nanoparticles (NPs) synthesized on the surface of commercial TiO2 (P25) by radiolytic reduction were characterized by diffuse reflectance spectroscopy (DRS), transmission electron microscopy (TEM), high-angle ...

    • Coexistence of two-photon absorption and saturable absorption in ion-implanted platinum nanoparticles in silica plates 

      Torres Torres, Carlos; Bornacelli, J.; Can-Uc, Bonifacio Alejandro; Silva Pereyra, Héctor Gabriel; Rodríguez Fernández, Luis; Ávalos Borja, Miguel; Labrada Delgado, Gladis Judith; Cheang Wong, Juan Carlos; Rangel Rojo, Raúl; Oliver y Gutiérrez, Alicia María (Optical Society of America, 2018)
      "Platinum nanoparticles were nucleated in a high-purity silica matrix by an ion-implantation method. The third-order nonlinear optical response of the samples was studied using femtosecond pulses at 800 nm with the z-scan ...

    • 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 ...

    • 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 ...

    • Magnetic, thermal and magnetocaloric properties of Ni50Mn35In14.5B0.5 ribbons 

      Pandey, Sudip; Quetz, Abdiel; Ibarra Gaytán, Pablo Jesús; Sánchez Valdés, Cesar Fidel; Aryal, Anil; Dubenko, Igor; Mazumdar, Dipanjan; Sánchez Llamazares, José Luis; Stadler, Shane; Ali, Naushad (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 ...

    • Distributed control for consensus on leader-followers proximity graphs 

      Ávila Martínez, Eber Jafet; Barajas Ramírez, Juan Gonzalo (International Federation of Automatic Control, 2018)
      "We propose two distributed controller solutions to the leader-followers consensus problem on inertial multiagent systems with guarantee connectivity preservation based on artificial potential functions. On the first one, ...

    • An output-feedback global continuous control scheme with desired gravity compensation for the finite-time and exponential regulation of bounded-input robotic systems 

      Zamora Gómez, Griselda Ivone; Zavala Río, Arturo; López Araujo, Daniela Juanita; Nuño, Emmanuel; Cruz Zavala, Emmanuel (International Federation of Automatic Control, 2018)
      "A Saturating-Proportional Saturating-Derivative type global continuous control scheme with desired gravity compensation for the finite-time or (local) exponential stabilization of robotic systems with constrained inputs, ...

    • On suitable observables for the chaotic Peroxidase-Oxidase autocatalytic reaction 

      Méndez González, José Martín; Femat Flores, Alejandro Ricardo (International Federation of Automatic Control, 2018)
      "Neurodegenerative diseases such as Alzheimer’s and Parkinson present oxidative damage of neurocytes generally caused by reactive oxygen species (ROS). Heme peroxidases consume and produce ROS thus serving as suppresors ...

    • A class of Chua-like systems with only two saddle-foci of different type 

      Escalante González, Rodolfo de Jesús; Gilardi Velázquez, Héctor Eduardo; Campos Cantón, Eric (International Federation of Automatic Control, 2018)
      "Since the reported Chua’s system, several generalizations of this system have been presented, these approaches include new equilibria in order to obtain three or more scrolls in the attractor. One of these generalizations ...

    • A chemical representation of a chaotic system with a unique stable equilibrium point 

      Méndez González, José Martín; Quezada Téllez, Luis Alberto; Fernández Anaya, Guillermo; Femat Flores, Alejandro Ricardo (International Federation of Automatic Control, 2018)
      "In this paper we present a chemical representation of a chaotic system with only one stable equilibrium point. The approach invokes cooperative catalysis and slow-fast reactions, primarily. The obtained chemical based ...

    • Delayed quadratic buck converter 

      Vázquez Nava, Nimrod; Reyes Malanche, Josué Augusto; Vázquez Nava, Eslí; Osorio Sánchez, Rene; Hernández Gutiérrez, Claudia Verónica; 000 (The Institution of Engineering and Technology, 2016)
      "Nowadays, the microprocessors family normally require for the input source not only low voltage but also high current. There exists an increasing necessity for developing new applied techniques on topologies and control ...

    • Validación experimental analógica de un atractor multienroscado en 1-D generado por un sistema lineal conmutado 

      Díaz Díaz, Irwin Allen; Campos Cantón, Eric; Villa Villaseñor, Noé (Asociación de México de Control Automático A.C., 2018)
      "En este artículo se presenta la implementación física de un atractor caótico multienroscado en una dirección (1-D) basado en un sistema lineal conmutado (SLC). A partir de este SLC se lleva a cabo una síntesis de circuitos ...

    • Implementación analógica del mapeo casa de campaña 

      Dávila Santos, Gerardo; Díaz Díaz, Irwin Allen; Campos Cantón, Eric (Asociación de México de Control Automático A.C., 2018)
      "En este trabajo se presenta la implementación electrónica del sistema dinámico discreto conocido como casa de campaña (tent map). En el diseño del circuito electrónico han sido considerados componentes pasivos y activos, ...

    • Stabilization of bed Inclination angle in rotary drums by using computer vision 

      Flores Gutiérrez, Claudia Patricia; Reyes Obando, Antonio; Rentería Vidales, Octavio Israel; Femat Flores, Alejandro Ricardo (American Chemical Society, 2018)
      "Computer vision systems have had great importance in research of different industrial processes. Videos and photographs have been used to characterize the bed behavior in a rotary drum; in this way, the bed motion, repose ...

    • Robust H∞ control of glycemia in Type 2 Diabetes Mellitus via continous insulin plus Metformin 

      López Palau, Nelida Elizabeth; Flores Gutiérrez, Claudia Patricia; Femat Flores, Alejandro Ricardo (International Federation of Automatic Control, 2018)
      "Several studies have shown that an adequate therapy for glycemic control in patients with type 2 diabetes mellitus (T2DM) can delay or prevent complications derived from this condition. To achieve the control objectives ...

    • Analysis of a class of complex system without equilibria via switched control law 

      Escalante González, Rodolfo de Jesús; Campos Cantón, Eric (International Federation of Automatic Control, 2018)
      "In this article we introduce a new class of complex system without equilibria which exhibits a chaotic multiscroll attractor in each node. The number of scrolls in the attractor is determined by a switched control law to ...

    • Bistable behavior via switching dissipative systems with unstable dynamics and its electronic design 

      Gilardi Velázquez, Héctor Eduardo; Escalante González, Rodolfo de Jesús; Campos Cantón, Eric (International Federation of Automatic Control, 2018)
      "In this work we present a design of a bistable system and its electronic circuit which is generated by a switching system. The switching system is comprised by dissipative subsystems with unstable dynamics based on the ...