Listar División de Nanociencias y Materiales por título

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    • Electron transport study on functionalized armchair graphene nanoribbons: DFT calculations 

      Gracia Espino, Edgar Eduardo; López Urías, Florentino; Terrones Maldonado, Humberto; Terrones Maldonado, Mauricio (2016)
      "Quantum transport studies are performed on doped and functionalized 8- and 11-armchair graphene nanoribbons (aGNRs) by means of density functional theory. Substitutional doping is performed by introducing boron, nitrogen, ...

    • Electronic trasport and mechanical properties in nanostructures. 

      Baltazar Rojas, Samuel Eleazar (2007)
      "El trabajo de investigacion doctoral se ha desarrollado sobre transporte electronico en moleculas organicas e inorganicas y sobre el estudio de propiedades mecanicas en nanoestructuras bajo presion. Para la primera parte ...

    • Electrum, the gold–silver alloy, from the bulk scale to the nanoscale: synthesis, properties, and segregation rules 

      Guisbiers, Grégory; Mendoza Cruz, Rubén; Bazán Díaz, Lourdes; Velázquez Salazar, J. Jesús; Mendoza Perez, Rafael; Robledo Torres, José Antonio; Rodríguez López, José Luis; Montejano Carrizales, Juan Martín; Whetten, Robert L.; José Yacamán, Miguel (American Chemical Society, 2016)
      "The alloy Au–Ag system is an important noble bimetallic phase, both historically (as “Electrum”) and now especially in nanotechnology, as it is applied in catalysis and nanomedicine. To comprehend the structural characteristics ...

    • 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 ...

    • Enhanced magnetocaloric effect tuning efficiency in Ni-Mn-Sn alloy ribbons 

      Quintana Nedelcos, Aris; Sánchez Llamazares, José Luis; Daniel Pérez, Gerardo (Elsevier B.V., 2017-11)
      "The present work was undertaken to investigate the effect of microstructure on the magnetic entropy change of Ni50Mn37Sn13 ribbon alloys. Unchanged sample composition and cell parameter of austenite allowed us to study ...

    • Enhanced photocatalytic performance of zinc oxide nanostructures via photoirradiation hybridisation with graphene oxide for the degradation of triclosan under visible light: Synthesis, characterisation and mechanistic study 

      Cervantes Rincón, Nancy Ayerim; Ben Hammouda, Samia; Sillanpaa, Mika; Escobar Barrios, Vladimir Alonso (Elsevier, 2018)
      "Modification of ZnO nanoparticles with graphene oxide (GO) was carried out, and the obtained hybrid photocatalyst was used for the photodegradation of triclosan (TCS), which is an endocrine disrupting compound. Three ...

    • Enhanced refrigerant capacity and magnetic entropy flattening using a two-amorphous FeZrB(Cu) composite 

      Álvarez Alonso, Pablo; Sánchez Llamazares, José Luis; Gorria, Pedro; Blanco Rodríguez, Jesús Angel (2011-12)
      "The temperature dependence of the isothermal magnetic entropy change, Delta S-M, and the magnetic field dependence of the refrigerant capacity, RC, have been investigated in a composite system xA + (1 - x) B, based on ...

    • Enhanced refrigerant capacity in Gd-Al-Co microwires with a biphase nanocrystalline/amorphous structure 

      Shen, Hongexian; Xing, Dawei; Sánchez Llamazares, José Luis; Sánchez Valdés, Cesar Fidel; Belliveau, H. F.; Wang, Huan; Qin, Faxiang; Liu, Yanfen; Sun, Jianfei; Srikanth, Hariharan; Phan, Manhhuong (2016-02)
      "A class of biphase nanocrystalline/amorphous Gd(50+5x)Al(30-5x)Co20 (x = 0, 1, 2) microwires fabricated directly by melt-extraction is reported. High resolution transmission electron microscopy and Fourier function transform ...

    • Enhanced refrigerant capacity in two-phase nanocrystalline/amorphous NdPrFe17 melt-spun ribbons 

      Sánchez Valdés, Cesar Fidel; Ibarra Gaytán, Pablo Jesús; Sánchez Llamazares, José Luis; Ávalos Borja, Miguel; Álvarez Alonso, Pablo; Gorria, Pedro; Blanco Rodríguez, Jesús Angel (2014-05)
      "he magnetocaloric properties of NdPrFe17 melt-spun ribbons composed of nanocrystallites surrounded by an intergranular amorphous phase have been studied. The nanocomposite shows two successive second-order magnetic phase ...

    • Enhanced thermal conductivity of carbon fiber/phenolic resin composites by the introduction of carbon nanotubes 

      Kim, Yoong Ahm; Kamio, S.; Tajiri, Takeyuki; Hayashi, Takuya; Song, Sungmoo; Endo, Morinobu; Terrones Maldonado, Mauricio; Dresselhaus, Mildred (2007-02)
      "The authors report a significant enhancement in the thermal conductivity of a conventional carbon fiber/phenolic resin composite system when adding highly crystalline multiwalled carbon nanotubes. They demonstrate that ...

    • Enhanced tunneling through nonstationary barriers 

      Palomares Báez, Juan Pedro; Ivlev, Boris; Rodríguez López, José Luis (2007-11)
      "Quantum tunneling through a nonstationary barrier is studied analytically and by a direct numerical solution of Schrödinger equation. Both methods are in agreement and say that the main features of the phenomenon can be ...

    • Enhancement of entanglement using a tight-binding hamiltonian. 

      Navarro Muñoz, Jorge Carlos (2006)
      "Debido a la disminución del tamaño en los procesos de fabricación de microchips de computadora, se esta llegando a limites físicos donde efectos cuánticos pueden interferir en el desempeño de tales dispositivos. Por otra ...

    • Enhancement of NOx photo-oxidation by Fe-doped TiO2 nanoparticles 

      Martínez Oviedo, Adriana; Ray, Schindra Kumar; Gyawali, Gobinda; Rodríguez González, Vicente; Lee, Soo Wohn (NRF, 2019)
      "Microwave hydrothermal-assisted sol-gel method was employed to synthesize the Fe doped TiO2 photocatalyst. Themorphological analysis suggests anatase phase nanoparticles of ~20 nm with an SBET area of 283.99 m2/g. The ...

    • Enlarged sheet of ZnS(en)0.5 hybrid semiconductors with photocatalytic activity 

      Hernández Gordillo, Agileo; Rodríguez González, Vicente; Maya Flores, Etel (2015)
      "Sheets of ZnS(en)0.5 hybrid semiconductors were prepared by the precipitation method in an ethylenediamine–water solution and it was enlarged by varying the aging at a long period time. The characterization of the hybrid ...

    • Environmental Nanoparticles Reach Human Fetal Brains 

      Calderón Garcidueñas, Lilian; Pérez Calatayud, Ángel Augusto; González Maciel, Angélica; Reynoso Robles, Rafael; Silva Pereyra, Héctor Gabriel; Ramos Morales, Andrea; Torres Jardón, Ricardo; Soberanes Cerino, Candelario de Jesús; Carrillo Esper, Raúl; Briones-Garduno, Jesús Carlos; Conde Gutiérrez, Yazmin del Socorro (MDPI, 2022)
      "Anthropogenic ultrafine particulate matter (UFPM) and industrial and natural nanoparticles (NPs) are ubiquitous. Normal term, preeclamptic, and postconceptional weeks(PCW) 8–15 human placentas and brains from polluted ...

    • Environmentally Toxic Solid Nanoparticles in Noradrenergic and Dopaminergic Nuclei and Cerebellum of Metropolitan Mexico City Children and Young Adults with Neural Quadruple Misfolded Protein Pathologies and High Exposures to Nano Particulate Matter 

      Calderón Garcidueñas, Lilian; González Maciel, Angélica; Reynoso Robles, Rafael; Silva Pereyra, Héctor Gabriel; Torres Jardón, Ricardo; Brito Aguilar, Rafael; Ayala, Alberto; Stommel, Elijah W.; Delgado Chávez, Ricardo (MDPI, 2022)
      "Quadruple aberrant hyperphosphorylated tau, beta-amyloid, ?-synuclein and TDP-43 neuropathology and metal solid nanoparticles (NPs) are documented in the brains of children and young adults exposed to Metropolitan Mexico ...

    • Ermakov systems with multiplicative noise 

      Rosu Barbus, Haret-Codratian (2014)
      "Using the Euler-Maruyama numerical method, we present calculations of the Ermakov-Lewis invariant and the dynamic, geometric, and total phases for several cases of stochastic parametric oscillators, including the simplest ...

    • Ermakov-Lewis invariants and Reid systems 

      Mancas, Stefan C; Rosu Barbus, Haret-Codratian (2014)
      "Reid´s mth-order generalized Ermakov systems of nonlinear coupling constant ? are equivalent to an integrable Emden-Fowler equation. The standard Ermakov-Lewis invariant is discussed from this perspective, and a closed ...

    • Ermakov-Ray-Reid systems with additive noise 

      Cervantes López, Ernesto; Espinoza Padilla, Pedro Basilio; Gallegos Infante, Luis Armando; Rosu Barbus, Haret-Codratian (2015)
      "Using the methods developed by us in Cervantes-López et al. (2014) for multiplicative noises, we present results on the effects of the additive noise on the Ermakov-Lewis invariant. This case can be implemented in the ...

    • Espectroscopía óptica aplicada al análisis químico de la sangre 

      Araujo Andrade, Cuauhtémoc (2005)
      "El análisis de algunos constituyentes de la sangre provee información de diagnostico en los procedimientos clínicos. Motivo por el cual es de gran interés en la comunidad medica el desarrollo de métodos ópticos mediante ...