Listar División de Nanociencias y Materiales por autor "Elsevier"

Mostrando ítems 21-32 de 32

    • One-parameter families of supersymmetric isospectral potentials from Riccati solutions in function composition form 

      Rosu Barbus, Haret-Codratian; Mancas, Stefan C; Chen, Pisin (2014)
      "In the context of supersymmetric quantum mechanics, we define a potential through a particular Riccati solution of the composition form (F ◦ f)(x) = F(f(x)) and obtain a generalized Mielnik construction of one-parameter ...

    • One-parameter nonrelativistic supersymmetry for microtubules 

      Rosu Barbus, Haret-Codratian; Cornejo Pérez, Octavio (2003)
      "The one-parameter nonrelativistic supersymmetry of Mielnik [J. Math. Phys. 25, 3387 (1984)] is applied to the simple supersymmetric model of Caticha [Phys. Rev. A 51, 4264 (1995)] in the form used by Rosu [Phys. Rev. E ...

    • Perceptual security of encrypted images based on wavelet scaling analysis 

      Vargas Olmos, Cecilia; Murguía, José; Ramírez Torres, Marco Tulio; Mejía Carlos, Marcela; Rosu Barbus, Haret-Codratian (2016)
      "The scaling behavior of the pixel fluctuations of encrypted images is evaluated by using the detrended fluctuation analysis based on wavelets, a modern technique that has been successfully used recently for a wide range ...

    • Promotional effect of Rh nanoparticles on WO3/TiO2 titanate nanotube photocatalysts for boosted hydrogen production 

      Camposeco Solís, Roberto; Castillo, Salvador; Rodríguez González, Vicente; Hinojosa Reyes, Mariana; Medina Alvares, MarÍa I.; Mejía Centeno, Isidro (2018)
      "In this work, we explore the hydrogen production via the water splitting process on Rh-WO3 photocatalysts supported on nanotubes of TiO2. H2 production tests were performed in a 2-propanol-water solution. The support ...

    • Pure and doped boron nitride nanotubes 

      Terrones Maldonado, Mauricio; Romo Herrera, José Manuel; Cruz Silva, Eduardo; López Urías, Florentino; Muñoz Sandoval, Emilio; Velázquez Salazar, J. Jesús; Terrones Maldonado, Humberto; Bandô, Yoshio; Golberg, Dmitri (2007-05)
      "More than ten years ago, it was suggested theoretically that boron nitride (BN) nanotubes could be produced. Soon after, various reports on their synthesis appeared and a new area of nanotube science was born. This review ...

    • Scaling analyses based on wavelet transforms for the Talbot effect 

      Rosu Barbus, Haret-Codratian; Murguía, José; Ludu, Andrei (2013)
      "The fractal properties of the transverse Talbot images are analysed with two well-known scaling methods, the wavelet transform modulus maxima (WTMM) and the wavelet transform multifractal detrended fluctuation anal- ysis ...

    • Self-adjoint oscillator operator from a modified factorization 

      Reyes, Marco A.; Rosu Barbus, Haret-Codratian; Gutiérrez, M. Ranferí (2011)
      "By using an alternative factorization, we obtain a self-adjoint oscillator operator of the form Lδ=ddx(pδ(x)ddx)−(x2pδ(x)+pδ(x)−1), where pδ(x)=1+δe−x2, with δ∈(−1,∞) an arbitrary real factorization parameter. At positive ...

    • Silver nanoparticles loaded on Cu-doped TiO2 for the effective reduction of nitro-aromatic contaminants 

      Hernández Gordillo, Agileo; Rodríguez González, Vicente (2015)
      "The addition of Cu species via copper glycine complexes as a strategy for doping the TiO2 structure during the sol–gel process produces a copper–TiO2-based composite. The combination of the copper–TiO2-based composite ...

    • Synthesis of protonated titanate nanotubes tailored by the washing step: Effect upon acid properties and photocatalytic activity 

      Camposeco Solís, Roberto; Castillo, Salvador; Mejía Centeno, Isidro; Navarret, Juan Manuel; Nava, Noel E.; Rodríguez González, Vicente (2017)
      "In this work, the acid and photocatalytic properties of titanate nanotubes (NTs) were surveyed. The surface acidity of the NTs was characterized by FTIR with lutidine and pyridine. The photocatalytic degradation of phenol ...

    • Synthesis, characterization and magnetic properties of Co@Au core-shell nanoparticles encapsulated by nitrogen-doped multiwall carbon nanotubes 

      Muñoz Sandoval, Emilio; Perea López, Néstor; Lima Juárez, Rodolfo; Labrada Delgado, Gladis Judith; Rivera Escoto, Beatriz Adriana; Zamudio Ojeda, Adalberto; Silva Pereyra, Héctor Gabriel; Robles Avila, Emmanuel; Terrones Maldonado, Mauricio (2014)
      "Co/Au bilayer thin films were deposited on Si/SiOx substrates using the magnetron sputtering method and used as a catalytic support to grow forests of aligned nitrogen-doped multiwalled carbon nanotubes (N-MWCNT) via ...

    • 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 ...

    • Understanding the adsorptive and photoactivity properties of Ag-graphene oxide nanocomposites 

      Martínez Orozco, Reinaldo David; Rosu Barbus, Haret-Codratian; Lee, Soo Wohn; Rodríguez González, Vicente (2013)
      "Nanocomposites of graphene oxide (GO) and silver nanoparticles (AgNPs) were synthetized using a practical photochemical silver functionalization. Their photocatalytic activities were evaluated with two dyes, Rhodamine B ...