Listar División de Nanociencias y Materiales por autor "Terrones Maldonado, Humberto"

Mostrando ítems 1-20 de 27

    • A multidisciplinary study of carbon nanotube structures: from inorganic to biological systems 

      Elías Arriaga, Ana Laura (2006-07)
      "The aerosol pyrolysis technique was used to produce carbon based nanostructures. Monocrystalline FeCo nanowires encapsulated inside multi-walled carbon nanotubes (MWNTs), centimeter-long strands of wide single walled ...

    • Anchorage of small cluster of manganese oxide, zinc oxide and silver on nitrogen doped and functionalized carbon nanotubes 

      Gracia Espino, Edgar Eduardo (2008)
      "Los nanotubos de carbono de pared múltiple (MWCNTs) exhiben excelentes propiedades mecánicas y electrónicas. Debido a su estructura y tamaño, los MWCNTs podrían ser utilizados como sustratos para la deposición de ...

    • Characterization of nanotubes and fullerenes by the pair distribution function 

      Ojeda May, Pedro Armando (2005)

    • 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) ...

    • Curved nanostructured materials 

      Terrones Maldonado, Humberto; Terrones Maldonado, Mauricio (IOP Publishing, 2003)
      "Graphite is a layered material that is very flexible, in which each layer is able to curve in order to form cages, nanotubes, nanocoils, nanocones, etc. In this paper, we demonstrate that various synthetic routes are ...

    • Design of graphene electronic devices using nanoribbons of different widths 

      Gerardo Naumis; Terrones Maldonado, Mauricio; Terrones Maldonado, Humberto; Gaggero Sager, Luis Manuel (2009-10)
      "We present a simple design of a field effect transistor based on graphene nanoribbons, taking advantage of the metallic and semiconductor nature of nanoribbons with different widths. Such device could be constructed by ...

    • 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, ...

    • 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 ...

    • Hierarchy in 1D carbon nanostructures: from theoretical design and properties calculation to experimental synthesis and characterization. 

      Romo Herrera, José Manuel (2008)
      "A key challenge in nanotechnology is the assembly of nanostructured components (building blocks; such as DNA molecules, 0D clusters and 1D nanowires) into well ordered arrays. Based on this research trend, the core proposal ...

    • Identification of individual and few layers of WS2 using Raman Spectroscopy 

      Botello Méndez, Andrés Rafael; Perea López, Néstor; Elías Arriaga, Ana Laura; Vincent Crespi; López Urías, Florentino; Terrones Maldonado, Humberto; Terrones Maldonado, Mauricio (2013-04)
      "The Raman scattering of single-and few-layered WS2 is studied as a function of the number of S-W-S layers and the excitation wavelength in the visible range (488, 514 and 647 nm). For the three excitation wavelengths used ...

    • Magnetism of carbon nanostructures and in situ TEM dynamic transformations of carbon-based nanomaterials. 

      Rodríguez Manzo, Julio Alejandro (2007)
      "Durante las últimas dos décadas se ha logrado sintetizar materiales de carbono con distintas formas estructurales y dimensiones en el orden de nanómetros, siendo los fullerenos y los nanotubos de carbono (NTC) dos ejemplos ...

    • New direction in nanotube science 

      Terrones Maldonado, Mauricio; Jorio, Ado; Endo, Morinobu; Rao, Apparao; Kim, Yoong Ahm; Hayashi, Takuya; Terrones Maldonado, Humberto; Charlier, Jean Christophe; Dresselhaus, George F.; Dresselhaus, Mildred (Elsevier, 2004)
      "We review the latest advances in the production and state-of-the art characterization of B- and N-doped carbon nanotubes (CNTs) and nanofibers. We briefly discuss different approaches to producing these novel doped ...

    • Novel curved and strained carbon-based nanostructures: a theoretical study of their electronic properties and their response to laser excitations. 

      Valencia Hernández, Felipe (2005)
      "In this thesis we review and discuss, from a theoretical point of view, the physical properties of a wide variety of carbon-based nano-materials. This work is focused on systems in which the atomic structures exhibit one ...

    • Novel hetero-layered materials with tunable direct band gaps by sandwiching different metal disulfides and diselenides 

      Terrones Maldonado, Humberto; López Urías, Florentino; Terrones Maldonado, Mauricio (2013-03)
      "Although bulk hexagonal phases of layered semiconducting transition metal dichalcogenides (STMD) such as MoS2, WS2, WSe2 and MoSe2 exhibit indirect band gaps, a mono-layer of STMD possesses a direct band gap which could ...

    • Observation of magnetic edge state in graphene nanoribbons 

      Joly, V. L.Joseph; Kiguchi, Manabu; Hao, Sijia; Takai, Kazuyuki; Enoki, Toshiaki; Sumii, Ryouhei; Amemiya, Kenta; Muramatsu, Hiroyukim; Hayashi, Takuya; Kim, Yoong Ahm; Endo, Morinobu; Campos Delgado, Jessica Rosaura; López Urías, Florentino; Botello Méndez, Andrés Rafael; Terrones Maldonado, Humberto; Terrones Maldonado, Mauricio; Dresselhaus, Mildred (2010-06)
      "The electronic structure and spin magnetism for few-layer-graphene nanoribbons synthesized by chemical vapor deposition have been investigated using near-edge x-ray absorption fine structure (NEXAFS) and electron-spin ...

    • Producción y caracterización de nuevos materiales: cárbon activado y materiales mesoporosos obtenidos de frijol. 

      Chavéz Guerrero, Leonardo (2008)
      "La presente investigación consistió en fundamentar con resultados experimentales la factibilidad de utilizar vaina de frijol como materia prima en la producción de carbón activado y su aplicación en la remoción de cadmio ...

    • 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 ...

    • Sistemas finitos bajo presión 

      Baltazar Rojas, Samuel Eleazar (2004)
      "El estudio de estructuras bajo condiciones extremas como altas presiones, pueden entregarnos nuevas configuraciones y/o situaciones que son metaestables bajo condiciones normales. Estas transiciones pueden estar asociadas ...

    • Síntesis y caracterización de nanotubos por molienda mecánica 

      Velázquez Salazar, J. Jesús (2006)
      "En este trabajo se presentan los resultados concernientes a la síntesis y caracterización de nanotubos de nitruro de boro producidos por un método de molienda mecánica-tratamiento térmico. En la primera etapa, el polvo ...