Listar División de Nanociencias y Materiales por autor "Muñoz Sandoval, Emilio"

Mostrando ítems 1-20 de 40

    • Carbon sponge-type nanostructures based on coaxial nitrogen-doped multiwalled carbon nanotubes grown by CVD using benzylamine as precursor 

      Muñoz Sandoval, Emilio; Cortés López, Alejandro Javier; Flores Gómez, Beatriz; Fajardo Díaz, Juan Luis; Sánchez Salas, Roque; López Urías, Florentino (2017)
      "Carbon sponges-type nanostructures (CSTN) based on coaxial nitrogen-doped multiwalled carbon nanotubes (CA-MWCNTs) were synthesized using the aerosol assisted chemical vapor deposition method involving the decomposition ...

    • Cobalt double-ring and double-dot structures: Magnetic properties 

      López Urías, Florentino; Torres Heredia, José Jesús; Muñoz Sandoval, Emilio (2016)
      "The magnetization reversal mechanism of nanostructures of cobalt double-rings (D-rings) and double-dots (D-dots) is investigated in the framework of micromagnetic simulations. The arrays contain two identical coupled rings ...

    • Competing magnetic structures and magnetic transitions in Er(2)Ni(2)Pb: powder neutron diffraction measurements 

      Muñoz Sandoval, Emilio (2008-07)
      "We have studied the magnetic structures of Er(2)Ni(2)Pb using a powder neutron diffraction technique in zero field. Previous bulk measurements suggested three distinct magnetic phase transitions. Our neutron diffraction ...

    • Controlling chemical and physical properties of ordered carbon nanosystems 

      Morelos Gómez, Aarón (2010-08)
      "Nanoscience and nanotechnology are dedicated to the creation of new materials with interesting properties like hardness, conductivity, magnetic properties, among others. Now, there is also interest in the use of these ...

    • Covalently bonded three-dimensional carbon nanotube solids via boron induced nanojunctions 

      Hashim, Daniel P.; Narayanan, Narayanan T.; Romo Herrera, José Manuel; Cullen, David; Hahm, Myung Gwan; Lezzi, Peter; Suttle, Joseph R.; Kelkhoff, Doug; Muñoz Sandoval, Emilio; Ganguli, Sabyasachi; Roy, Ajit K.; Smith, David J.; Vajtai, Robert; Sumpter, Bobby G.; Meunier, Vincent; Terrones Maldonado, Humberto; Terrones Maldonado, Mauricio; Ajayan, Pulickel M. (2012)
      "The establishment of covalent junctions between carbon nanotubes (CNTs) and the modification of their straight tubular morphology are two strategies needed to successfully synthesize nanotube-based three-dimensional (3D) ...

    • Cytotoxicity induced by carbon nanotubes in experimental malignant glioma 

      Romano Feinholz, Samuel; Salazar Ramiro, Alelí; Muñoz Sandoval, Emilio; Magaña Maldonado, Roxana; Hernández Pedro, Norma; Rangel López, Edgar; González Aguilar, Alberto; Sánchez García, Aurora; Sotelo, Julio; Pérez de la Cruz, Verónica; Pineda, Benjamín (Dove Press Ltd, 2017)
      "Despite multiple advances in the diagnosis of brain tumors, there is no effective treatment for glioblastoma. Multiwalled carbon nanotubes (MWCNTs), which were previously used as a diagnostic and drug delivery tool, have ...

    • Degradación enzimática de nanotubos de carbono dopados con nitrógeno 

      Azuara Tuexi, Gabriela; López Urías, Florentino; Quintana, M.; Muñoz Sandoval, Emilio (2017)
      "Es bien conocido que a la fecha la toxicidad de los nanotubos de carbono aún no está bien estudiada. Muy recientemente se estableció que los nanotubos de carbono llamados MWCNT-7 sean clasificados como posiblemente ...

    • Efficient carbon nanotube sponges production boosted by acetone in CVD-Synthesis 

      Cortés López, Alejandro Javier; Muñoz Sandoval, Emilio; López Urías, Florentino (2018)
      "A high production of nitrogen-doped carbon nanotube sponges (N-CNS) was obtained at 1020 °C with 4 h of growth in an aerosol-assisted chemical vapor deposition (AACVD) experiment modified with two independent sprayers ...

    • 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, ...

    • Estudio experimental de nanotubos de carbono dopados con nitrógeno y de óxido de grafeno 

      Sánchez Salas, Roque (10/07/2017)
      "En esta tesis se presentan la segunda parte del estudio sistemático de síntesis y caracterización de nanotubos de carbono dopados con nitrógeno (CNx) mediante la técnica de deposición química de vapores (CVD). Partimos ...

    • Formation and atomic structure of hierarchical boron nitride nanostructures 

      Silva Molina, Ramon Antonio; Muñoz Sandoval, Emilio; Gamez Corrales, Rogelio; Guirado López, Ricardo Alberto (2015)
      "We report a combined experimental and theoretical study of boron nitride (BN) nanostructures synthesized by ball milling methodology. The BN nanostructures were obtained using h-BN powder under low-vacuum conditions and ...

    • Furan and Pyran Functional Groups Driven the Surface of Nitrogen-Doped Nanofiber Sponges 

      Fajardo Díaz, Juan Luis; Rodríguez Corvera, Cristina de Lourdes; Muñoz Sandoval, Emilio; López Urías, Florentino (Wiley, 2020)
      "Highly surface oxidized, nitrogen?doped, and nitrogen functionalized carbon nanotube sponge (N?CFS) were produced at 1020?°C using two sprayers approach in an aerosol?assisted chemical vapor deposition (AACVD) experiment. ...

    • Intertwined magneto-optical and plasmonic effects in Ag/Co/Ag layered structures 

      Ferreiro Vila, Elías; González Díaz, Juan B.; Fermento, Rui; González, María Ujué; García Martín, Antonio; García Martín, José Miguel; Cebollada, Alfonso; Armelles, Gaspar; Meneses Rodríguez, David; Muñoz Sandoval, Emilio (2009-09)
      "Surface plasmon polariton (SPP) excitation effects on the magneto-optical (MO) activity of Au capped Ag/Co/Ag trilayers are studied as a function of Co thickness. An enhancement of the transverse MO Kerr signal under SPP ...

    • Magnetic and electrical properties of nitrogen-doped multiwall carbon nanotubes fabricated by a modified chemical vapor deposition method 

      García Betancourt, María Luisa; Vega Cantú, Yadira Itzel; Vega Díaz, Sofía Magdalena; Morelos Gómez, Aarón; Terrones Maldonado, Mauricio; Muñoz Sandoval, Emilio (2015)
      "Chemical vapor deposition (CVD) is a preferential method to fabricate carbon nanotubes (CNTs). Several changes have been proposed to obtain improved CNTs. In this work we have fabricated nitrogen-doped multiwall carbon ...

    • Micromagnetismo en nanoestructuras de metales de transición con diferentes geometrías: circulas, triangular y triangular de Reuleaux. 

      Torres Heredia, José Jesús (2006)
      "En este trabajo de tesis presentamos los resultados obtenidos mediante simulación micromagnética, usando el código Oriented Micro Magnetic Framework; en diferentes sistemas ferromágneticos. En primer lugar presentamos el ...

    • Nanoestructuras de carbono dopadas con fósforo 

      Martínez Iniesta, Armando David (2020)
      "El dopaje de nanoestructuras de carbono empleando átomos tales como B, N, O, P, entre otros, ha demostrado la capacidad de modificar sus propiedades físicas químicas, tales como la dureza, conductividad eléctrica, reducción ...

    • Nanotubos de carbono dopados con nitrógeno y boro 

      Olvera Martinez, Jose Agustin (2019-06)
      “Nanotubos de carbono dopados con nitrógeno y boro” En este trabajo se presenta la síntesis y estudio de nanotubos de carbono de múltiples capas fueron dopados simultáneamente con nitrógeno y boro. (N-MWCNTs, N-B-MWCNTs, ...

    • Nitrogen–phosphorus doped graphitic nano onion-like structures: experimental and theoretical studies 

      Martínez Iniesta, Armando David; Morelos Gómez, Aarón; Muñoz Sandoval, Emilio; López Urías, Florentino (Royal Society of Chemistry, 2021)
      "Onion-like graphitic structures are of great importance in different fields. Pentagons, heptagons, and octagons are essential features of onion-like graphitic structures that could generate important properties for diverse ...

    • Oxygenated surface of carbon nanotube sponges: electroactivity and magnetic studies 

      Cortés López, Alejandro Javier; Muñoz Sandoval, Emilio; López Urías, Florentino (American Chemical Society, 2019)
      "We report the synthesis of nitrogen-doped carbon nanotube sponges (N-CNSs) by pyrolysis of solutions of benzylamine, ferrocene, thiophene, and isopropanol-based mixture at 1020 degrees C for 4 h using an aerosol-assisted ...

    • Pine-tree-like morphologies of nitrogen-doped carbon nanotubes: Electron field emission enhancement 

      García Betancourt, María Luisa; Perea López, Néstor; Vega Díaz, Sofía Magdalena; López Urías, Florentino; Elías Arriaga, Ana Laura; Ortiz Medina, Josué; Muñoz Sandoval, Emilio; Terrones Maldonado, Mauricio (2014)
      "Nitrogen-doped multiwalled carbon nanotube (CNT) bundles exhibiting pine-tree-like morphologies were synthesized on silicon-silicon oxide (Si/SiO2) substrates using a pressure-controlled chemical vapor deposition process. ...