Listar División de Nanociencias y Materiales por título

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    • Synthesis, characterization, and sensor applications of spinel ZnCo2O4 nanoparticles 

      Morán Lázaro, Juan Pablo; López Urías, Florentino; Muñoz Sandoval, Emilio; Blanco Alonso, Oscar; Sánchez Tizapa, Marciano; Carreón Alvarez, Alejandra; Guillén Bonilla, Héctor; Olvera Amador, María De la Luz; Guillén Bonilla, Alex; Rodríguez Betancourtt, Verónica María (MDPI, 2016-12)
      "Spinel ZnCo2O4 nanoparticles were synthesized by means of the microwave-assisted colloidal method. A solution containing ethanol, Co-nitrate, Zn-nitrate, and dodecylamine was stirred for 24 h and evaporated by a microwave ...

    • Tailoring thermomechanical treatment of Ni-Fe-Ga melt-spun ribbons for elastocaloric applications 

      Villa, Elena; Aguilar Ortiz, Christian Omar; Nespoli, Adelaide; Álvarez Alonso, Pablo; Camarillo García, Juan Pablo Ramón; Salazar Jaramillo, Daniel; Passaretti, Francesca; Flores Zúñiga, Horacio; Hosoda, Hideki; Chernenko, Volodymyr (Elsevier, 2019)
      "In the present work, the structural, mechanical and shape memory properties of Ni55Fe16Ga29 (at.%) melt-spun ribbons have been studied with a prospective of application in the elastocaloric devises. Particularly, a special ...

    • Talbot effect for dispersion in linear optical fibers and a wavelet approach 

      Rosu Barbus, Haret-Codratian; Treviño Gutiérrez, Juan Pablo; Cabrera Ibarra, Hugo; Murguía, José (2006)
      "We shortly recall the mathematical and physical aspects of Talbot’s self-imaging effect occurring in near-field diffraction. In the rational paraxial approximation, the Talbot images are formed at distances z = p/q, where p ...

    • Temperature dependence of sensors based on silver-decorated nitrogen-doped multiwalled carbon nanotubes 

      Gracia Espino, Edgar Eduardo; Rebollo Plata, Bernabé; Martinez Gutierrez, Hugo; Muñoz Sandoval, Emilio; López Urías, Florentino; Endo, Morinobu; Terrones Maldonado, Humberto; Terrones Maldonado, Mauricio (2016)
      "Vapor sensors are easily fabricated onto alumina substrates using foils of silver-decorated nitrogen-doped multiwalled carbon nanotubes (CNX-MWNTs-Ag) as active sensing material. The vapor sensors are tested using carbon ...

    • Termination of hollow core nanopipes in GaN by an AlN interlayer 

      Contreras López, Oscar Edel; Ruíz Zepeda, Francisco; Ávalos Borja, Miguel; Dadgar, Armin; Krost, Alois (Elsevier, 2016)
      "Nanopipes associated to screw dislocations are studied by transmission electron microscopy in Si-doped GaN films grown on silicon substrates. The observations revealed that dislocations had an empty core and that an AlN ...

    • Texture-induced enhancement of the magnetocaloric response in melt-spun DyNi2 ribbons 

      Ibarra Gaytán, Pablo Jesús; Sánchez Valdés, Cesar Fidel; Sánchez Llamazares, José Luis; Álvarez Alonso, Pablo; Gorria, Pedro; Blanco Rodríguez, Jesús Angel (2013-10)
      "The magnetocaloric properties of melt-spun ribbons of the Laves phase DyNi2 have been investigated. The as-quenched ribbons crystallize in a single-phase MgCu2-type crystal structure (C15; space group Fd (3) over barm) ...

    • The density matrix renormalization group applied to an electron-phonon hamiltonian. 

      Nápoles Duarte, José Manuel (2006)
      "En esta tesis hemos aplicado el método de renormalización de grupo de la matriz densidad a un Hamiltoniano que introduce grados de libertad fonónicos, con el fin de entender al acoplamiento electrón-fonón que ocurre en ...

    • The effect of cooling rate on magnetothermal properties of Fe49Rh51 

      Sánchez Valdés, Cesar Fidel; Gimaev, Radel R.; López Cruz, Mauricio; Sánchez Llamazares, José Luis; Zverev, Vladimir; Tishin, Alexander M.; Carvalho, Alexandre Magnus Gomes; De Aguiar, Denilson Jose Marcolino; Mudryk, Yaroslav; Pecharsky, Vitalij K. (Elsevier, 2020)
      "We have investigated the effects of quenching rate on the thermal dependence of the magnetic entropy change ?SM(T) and the magnetic field induced hysteresis loss through the antiferromagnetic (AFM)???ferromagnetic (FM) ...

    • 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 ...

    • The Hurst exponents of Nitzschia sp. diatom trajectories observed by light microscopy 

      Murguía, José; Rosu Barbus, Haret-Codratian; Jiménez Guerra, Andrés; Gutiérrez Medina, Braulio (Elsevier, 2015)
      "We present the results of an experiment with light microscopy performed to capture the trajectories of live Nitzschia sp. diatoms. The time series corresponding to the motility of this kind of cells along ninety-five ...

    • The hyperbolic, the arithmetic and the quantum phase 

      Saniga, Metod; Planat, Michel; Rosu Barbus, Haret-Codratian (2004)
      "We develop a new approach of the quantum phase in an Hilbert space of finite dimension which is based on the relation between the physical concept of phase locking and mathematical concepts such as cyclotomy and the ...

    • The influence of texture on the reversible elastocaloric effect of a polycrystalline Ni50Mn32In16Cr2 alloy 

      Hernández Navarro, Fernando; Camarillo García, Juan Pablo Ramón; Aguilar Ortiz, Christian Omar; Flores Zúñiga, Horacio; Ríos Jara, David; González Reyes, José Gonzalo; Álvarez Alonso, Pablo (American Institute of Physics, 2018)
      "We have studied the correlation between the elastocaloric effect and the crystallographic direction where a uniaxial stress is applied in a textured polycrystalline Ni-Mn-In-Cr ferromagnetic shape memory alloy; this alloy ...

    • The role of silver nanoparticles functionalized on TiO2 for photocatalytic disinfection of harmful algae 

      Lee, Soo Wohn; Obregón, Sergio; Rodríguez González, Vicente (2015)
      "Silver loaded TiO2 samples were prepared by photodeposition of different amounts of Ag+ ions over commercial titanium dioxide (Evonik TiO2 P25) in aqueous media without the presence of sacrificial agents. The obtained ...

    • The three-step master equation: class of parametric stationary solutions 

      Rosu Barbus, Haret-Codratian; Reyes, Marco A.; Valencia Hernández, Felipe (2005)
      "We examine the three-step master equation from the standpoint of the general solution of the associated discrete Riccati equation. We report by this means stationary master solutions depending on a free constant parameter, ...

    • The young and the city: crowdsourcing urban awareness in a developing country 

      Ruíz Correa, Salvador; Santani, Darshan; Gatica Pérez, Daniel (ICST, 2014)
      "We present a crowdsourcing study that investigates impressions of urban spaces by young inhabitants in a city in the developing world. Our goal is to obtain collective perceptions from the actual inhabitants of the city ...

    • Theoretical characterization of several models of nanoporous carbon 

      Valencia Hernández, Felipe; Romero Castro, Aldo Humberto; Hernandez, Eduardo R.; Terrones Maldonado, Mauricio; Terrones Maldonado, Humberto (IOP Publishing, 2003)
      "Elastic, electronic and vibrational properties of seven models of nanoporous carbon are reported. The studied structures are periodic graphitic arrangements with heptagonal and octagonal rings of carbon, known as Schwarzites. ...

    • Toxicidad de nanopartículas magnéticas en un modelo in-vitro de barrera hematoencefálica 

      Gárate-Vélez, Lorena (2018-07)
      "Las nanopartículas magnéticas (NPMs) de origen antropogénico, como los son las nanopartículas de hierro principalmente en fase de magnetita (Fe3O4), son liberadas al medio ambiente como resultado, principalmente, de la ...

    • Transform of Riccati equation of constant coefficients through fractional procedure 

      Rosu Barbus, Haret-Codratian; Madueño, A. L.; García Díaz, José Socorro (2003)
      "We use a particular fractional generalization of the ordinary differential equations that we apply to the Riccati equation of constant coefficients. By this means the latter is transformed into a modified Riccati equation ...

    • Transformación magneto-estructural y efecto magnetocalórico en aleaciones Mn1−xCrxCoGe (x = 0.04, 0.11) y MnNiGe1.05 obtenidas por solidificación rápida 

      Daniel Pérez, Gerardo (2015-06)
      "En la presente tesis se estudia el efecto magnetocalórico (EMC) en cintas de aleaciones Mn1-xCrxCoGe para x=0.04, 0.11 y MnNiGe1.05 obtenidas por enfriamiento ultrarrápido empleando la técnica de temple rotatorio. Las ...

    • Transformation behavior and inverse caloric effects in magnetic shape memory Ni44-xCuxCo6Mn39Sn11 ribbons 

      Wójcik, Anna; Maziarz, Wojciech; Szczerba, Maciej; Sikora, Marcin; Zywczak, Antoni; Aguilar Ortiz, Christian Omar; Álvarez Alonso, Pablo; Villa, Elena; Flores Zúñiga, Horacio; Cesari, Eduard; Dutkiewicz, Jan; Chernenko, Volodymyr (2017-10)
      "An influence of the Cu doping on structural, magnetic and thermoelastic properties of the Heusler Ni44-xCuxCo6Mn39Sn11 (x = 1–4 at%) ribbons has been investigated. It is found that the addition of Cu stabilizes austenite ...