Listar División de Nanociencias y Materiales por autor "Kim, Yoong Ahm"

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    • An anticorrosive magnesium/carbon nanotube composite 

      Endo, Morinobu; Hayashi, Takuya; Itoh, Isao; Kim, Yoong Ahm; Shimamoto, Daisuke; Muramatsu, Hiroyukim; Shimizu, Yasuo; Morimoto, Shingo; Terrones Maldonado, Mauricio; Iinou, Satoshi; Koide, S. (2008-02)
      "Here, we report a drastically improved anticorrosive characteristic of magnesium alloy composites with the introduction of multiwalled carbon nanotubes. Highly depressed corrosion of nanotube-filled magnesium composite ...

    • CdSe quantum dot-decorated double walled carbon nanotubes: the effect of chemical moieties 

      Kim, Yoong Ahm; Muramatsu, Hiroyukim; Park, Ki-chul; Shimamoto, Daisuke; Jung, Yong-chae; Kim, Jin-hee; Hayashi, Takuya; Saito, Yasunori; Endo, Morinobu; Terrones Maldonado, Mauricio; Dresselhaus, Mildred (2008-08)
      "We report that fluorine atoms on the outer tubes of double walled carbon nanotubes (DWNTs) are more effective for nucleating and growing CdSe nanoparticles than oxygen-containing functional groups. The CdSe particles with ...

    • Controlled growth of one-dimensional clusters of molybdenum atoms using double-walled carbon nanotube templating 

      Tao, Yousheng; Muramatsu, Hiroyukim; Hayashi, Takuya; Kim, Yoong Ahm; Shimamoto, Daisuke; Endo, Morinobu; Kaneko, Katsumi; Terrones Maldonado, Mauricio; Dresselhaus, Mildred (2009)
      "We report the controlled growth of one-dimensional clusters of molybdenum atoms inside the inner cores of double-walled carbon nanotubes. A combined characterization including high resolution transmission electron microscopy, ...

    • Diameter-selective separation of double-walled carbon nanotubes 

      Kim, Jin-hee; Kataoka, Masaskazu; Kim, Yoong Ahm; Shimamoto, Daisuke; Muramatsu, Hiroyukim; Hayashi, Takuya; Endo, Morinobu; Terrones Maldonado, Mauricio; Dresselhaus, Mildred (2008-12)
      "Here, we report a simple and effective way of separating double-walled carbon nanotubes as a function of their diameter using individually dispersed nanotube solutions with the aid of long and random single-stranded DNA. ...

    • 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 ...

    • Loop formation in graphitic nanoribbon edges using furnace heating or Joule heating 

      Jia, Xiaoting; Campos Delgado, Jessica Rosaura; Gracia Espino, Edgar Eduardo; Hofmann, Mario; Muramatsu, Hiroyukim; Kim, Yoong Ahm; Hayashi, Takuya; Endo, Morinobu; Kong, Jing; Terrones Maldonado, Mauricio; Dresselhaus, Mildred (2009-07)
      "Here the authors report the use of either furnace heating or Joule heating to pacify the exposed graphene edges by loop formation in a novel graphitic nanoribbon material, grown by chemical vapor deposition. The edge ...

    • 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 ...

    • 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 ...

    • Raman spectroscopy study of heat-treated and boron-doped double wall carbon nanotubes 

      Villalpando Paez, Federico; Son, Hyungbin; Chou, Shin Grace; Samsonidze, Georgy G.; Kim, Yoong Ahm; Muramatsu, Hiroyukim; Hayashi, Takuya; Endo, Morinobu; Terrones Maldonado, Mauricio; Dresselhaus, Mildred (2009-07)
      "We performed Raman spectroscopy experiments on undoped and boron-doped double walled carbon nanotubes (DWNTs) that exhibit the "coalescence inducing mode" as these DWNTs are heat treated to temperatures between 1200 C and ...

    • Transitional behaviour in the transformation from active end planes to stable loops caused by annealing 

      Endo, Morinobu; Lee, Byoung-Ju; Kim, Yoong Ahm; Kim, Yong-jung; Muramatsu, Hiroyukim; Yanagisawa, Takahashi; Hayashi, Takuya; Terrones Maldonado, Mauricio; Dresselhaus, Mildred (IOP Publishing, 2003)
      "Here we investigate the stabilization process on the active outer/inner surfaces (or the end plane of a graphene sheet) for shortened cup-stacked-type carbon nanotubes caused by annealing, utilizing both analytic and ...