Now showing items 121-140 of 595

    • Factorization of the Riesz-Feller Fractional Quantum Harmonic Oscillators 

      Rosu Barbus, Haret-Codratian; Mancas, Stefan C (IOP Publishing, 2020)
      "Using the Riesz-Feller fractional derivative, we apply the factorization algorithm to the fractional quantum harmonic oscillator along the lines previously proposed by Olivar-Romero and Rosas-Ortiz, extending their results. ...
    • High-pressure characterization of multifunctional CrVO4 

      Botella Vives, Pablo; López Moreno, Sinhué; Errandonea, Daniel; Manjón, Francisco Javier; Sans Tresserras, Juan Angel; Vie, David; Vomiero, Alberto (IOP Publishing, 2020)
      "The structural stability and physical properties of CrVO(4)under compression were studied by x-ray diffraction, Raman spectroscopy, optical absorption, resistivity measurements, andab initiocalculations up to 10 GPa. ...
    • Investigation of a Ti–30Zr binary alloy fabricated through spark plasma sintering 

      Chávez, Jorge; Olmos, Luis; Jiménez, Omar; Alvarado Hernández, Francisco; Flores Zúñiga, Horacio; Camarillo García, Juan Pablo Ramón; Guevara Martínez, Santiago José (Elsevier, 2020)
      "A series of Ti-30Zr alloys have been synthesized by the spark plasma sintering (SPS) process using a mixture of elemental powders processed by mechanical alloying. A sintering temperature of 900 degrees C was used during ...
    • Relativistic Rotating Electromagnetic Fields 

      Vargas Rodríguez, Hector; Gallegos Infante, Luis Armando; Muñiz Torres, Miguel Angel; Rosu Barbus, Haret-Codratian; Domínguez Chávez, Paulino Javier (Hindawi, 2020)
      "In this work, we consider axially symmetric stationary electromagnetic fields in the framework of special relativity. These fields have an angular momentum density in the reference frame at rest with respect to the axis ...
    • Heterojunction of CuO nanoclusters with TiO2 for photo-oxidation of organic compounds and for hydrogen production 

      Méndez Medrano, María Guadalupe; Kowalska, Ewa; Ohtani, Bunsho; Bahena Uribe, Daniel; Colbeau Justin, Christophe; Rau, Sven; Rodríguez López, José Luis; Remita, Hynd (American Institute of Physics, 2020)
      "Heterojunctions of small CuO nanoclusters (synthesized by radiolysis) with TiO2 (commercial P25) induced a photocatalytic activity under visible light irradiation in a wide range of wavelengths due to the narrow bandgap ...
    • Phase transformation and magnetocaloric effect of Co-doped Mn–Ni–In melt-spun ribbons 

      Yang, Yiqiao; Li, Zongbin; Sánchez Valdés, Cesar Fidel; Sánchez Llamazares, José Luis; Yang, Bo; Zhang, Yudong; Esling, Claude; Zhao, Xiang; Zuo, Liang (American Institute of Physics, 2020)
      "Ribbon-shaped magnetocaloric materials are favorable to achieve high heat-transfer efficiencies due to their large specific surface area. In this work, Mn50Ni41−xIn9Cox (0 ≤ x ≤ 4) ribbons were prepared using a melt-spinning ...
    • Semiconducting Nanocrystalline Bismuth Oxychloride (BiOCl) for Photocatalytic Reduction of CO2 

      Sánchez Rodríguez, Dalia Verónica; Jasso Salcedo, Alma Berenice; Hedin, Niklas; Church, Tamara L.; Aizpuru, Aitor; Escobar Barrios, Vladimir Alonso (MDPI, 2020)
      "The reduction of CO2 is relevant for the production of compounds as part of the carbon capture and utilization research approaches. Thus, photocatalytic reduction of CO2 over a tailored BiOCl-based photocatalyst (BTEG) ...
    • One-Pot Synthesis of Anatase, Rutile-Decorated Hydrogen Titanate Nanorods by Yttrium Doping for Solar H2 Production 

      Khan, Sovann; Ikari, Hiroshi; Suzuki, Norihiro; Nakata, Kazuya; Terashima, Chiaki; Fujishima, Akira; Katsumata, Kenichi; Rodríguez González, Vicente (American Chemical Society, 2020)
      "We have prepared yttrium (Y)-doped hydrogen titanate nanorods (HTN) by a microwave-assisted hydrothermal method. Y-doped HTN showed much improved photocatalytic activities for both H2 evolution and dye decomposition. H2 ...
    • Esponjas de Nanotubos de Carbono a partir de Alcoholes 

      Cortés López, Alejandro Javier (2020-10)
      "Las esponjas de carbono están definidas como aquellas estructuras formadas por nanotubos de carbono dispuestos en un arreglo tipo tridimensional y muestran propiedades interesantes tales como: superhidrofobicidad, porosidad, ...
    • Síntesis, caracterización y evaluación de oxicloruro de bismuto (BiOCl) en fotocatálisis heterogénea 

      Sánchez Rodríguez, Dalia Verónica (2021-02)
      "El oxicloruro de bismuto (BiOCl) es un semiconductor relativamente nuevo en el ámbito de la fotocatálisis heterogénea, se ha utilizado en el tratamiento de aguas para la remoción de colorantes y algunos compuestos más ...
    • Magnetic fields produced by non-concentric and non-coplanar currents in circular loops 

      Espejel Morales, Raúl Arturo; Murguía Romero, Gabriela; Calles Martínez, Alipio Gustavo; Morán López, José Luis (IOP Publishing, 2019)
      "A numerical calculation for the stationary magnetic field produced by arrangements of non-concentric and non-coplanar loop current circuits is presented. The calculation is done by superposing the solution of the magnetic ...
    • Stability analysis of orbital modes for a generalized Lane-Emden equation 

      Adams, Ronald; Mancas, Stefan C; Rosu Barbus, Haret-Codratian (Elsevier, 2019)
      "We present a stability analysis of the standard nonautonomous systems type for a recently introduced generalized Lane-Emden equation which is shown to explain the presence of some of the structures observed in the atomic ...
    • Generalized Cornu-type spirals and their Darboux parametric deformations 

      Rosu Barbus, Haret-Codratian; Mancas, Stefan C; Hsieh, Chun-Chung (Elsevier, 2019)
      "We generalize the Fresnel integrals and introduce a class of spirals F-n, which contains the Cornu spiral as the case F-2. Their Darboux parametric deformations are also investigated. The F-3 spiral and some of its Darboux ...
    • 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) ...
    • Giant and Reversible Inverse Barocaloric Effects near Room Temperature in Ferromagnetic MnCoGeB0.03 

      Aznar, Araceli; Lloveras, Pol; Kim, Ji-Yeob; Stern Taulats, Enric; Barrio, Maria; Lluis Tamarit, Josep; Sánchez Valdés, Cesar Fidel; Sánchez Llamazares, José Luis; Mathur, Neil; Moya, Xavier (Wiley, 2019)
      "Hydrostatic pressure represents an inexpensive and practical method of driving caloric effects in brittle magnetocaloric materials, which display first?order magnetostructural phase transitions whose large latent heats ...
    • Effect of the anchoring strength on the phase behaviour of discotic liquid crystals under face-on confinement 

      Salgado Blanco, Daniel Ignacio; Díaz Herrera, Enrique; Mendoza Ruiz, Carlos Ignacio (IOP Publishing, 2019)
      "In this study we have performed molecular dynamics simulations to study a Gay-Berne discotic fluid confined in a slab geometry for a fixed confinement length. Four different anchoring strengths with a homeotropic (face-on) ...
    • Effect of ball to powder ratio on the mechanosynthesis of Re2C and its compressibility 

      Martínez García, Alfredo; Navarro Martínez, Ana Karín; Neun, Christopher; Bayarjargal, Lkhamsuren; Morgenroth, Wolfgang; López Vázquez, Erick; Ávalos Borja, Miguel; Winkler, Bjoern; Juárez Arellano, Erick Adrián (Elsevier, 2019)
      "The mechanosynthesis of hexagonal rhenium carbide (Re2C) from the elements is explored as a function of the balls to powder ratio (BPR). Burgios's equation has been used to calculate the accumulated energy (Delta E-accum) ...
    • Inhibition of Fungal Growth Using Modified TiO2 with Core@Shell Structure of Ag@CuO Clusters 

      Méndez Medrano, María Guadalupe; Kowalska, Ewa; Endo Kimura, Maya; Wang, Kunlei; Ohtani, Bunsho; Bahena Uribe, Daniel; Rodríguez López, José Luis; Remita, Hynd (American Chemical Society, 2019)
      "The photocatalytic disinfection (PCD) properties of TiO2 have attracted attention in the research communities because the produced reactive oxygen species (ROS) allow destruction of different types of microbes, such as ...
    • In situ ion beam sputter deposition and X_ray photoelectron spectroscopy (XPS) of multiple thin layers under computer control for combinatorial materials synthesis 

      Wilson, Thomas A.; Barlow, Anders J.; Foster, Michael L.; Bravo Sánchez, Mariela; Portoles, Jose F.; Sano, Naoko; Cumpson, Peter J.; Fletcher, Ian W. (Wiley, 2017)
      "Deposition of ultra_thin layers under computer control is a frequent requirement in studies of novel sensors, materials screening, heterogeneous catalysis, the probing of band offsets near semiconductor junctions and many ...
    • Wavelet characterization of hyper-chaotic time series 

      Murguía, José; Rosu Barbus, Haret-Codratian; Reyes López, Luis Eduardo; Mejía Carlos, Marcela; Vargas Olmos, Cecilia (Sociedad Mexicana de Física, A.C., 2018)
      A wavelet scaling numerical characterization of time series based on the variance of the wavelet coefficients is used for three well-known four-dimensional and one five-dimensional hyper-chaotic systems. We report several ...