Synthesis of nanostructures from carbide sheets

L. Diaz Barriga Arceo, V. M.Lopez Hirata, V. Garibay Febles, E. Orozco, E. Palacios Gonzalez, L. G. Bucio, C. Reza Sn German, F. Leyte Guerrero

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Mechanical Alloying was used to prepare both monometallic carbide and bimetallic carbides by milling of pure elemental powders of cobalt, molybdenum, titanium and carbon, and mixtures of Ni-Mo, with carbon, in a high-energy rotatory mill under an Ar atmosphere. The nanocrystalline carbides were used to produce metal filled nanotubes and nanoparticles, by means of precipitation after 15 minutes heating at 800°C. Microstructural characterization of the as-milled and heat-treated powders was performed using both Scanning (SEM) and Transmission Electron Microscopy (TEM) techniques. Milled powders presented flake-like shapes. In heat treated powders, filled, decorated and intercalated nanotubes, carbide nanorods and nanoparticles were observed. Nanotubes appeared mainly in bimetallic samples and nanorods in monometallic carbides.

Original languageEnglish
Title of host publication2007 NSTI Nanotechnology Conference and Trade Show - NSTI Nanotech 2007, Technical Proceedings
Pages41-44
Number of pages4
StatePublished - 2007
Externally publishedYes
Event2007 NSTI Nanotechnology Conference and Trade Show - NSTI Nanotech 2007 - Santa Clara, CA, United States
Duration: 20 May 200724 May 2007

Publication series

Name2007 NSTI Nanotechnology Conference and Trade Show - NSTI Nanotech 2007, Technical Proceedings
Volume1

Conference

Conference2007 NSTI Nanotechnology Conference and Trade Show - NSTI Nanotech 2007
Country/TerritoryUnited States
CitySanta Clara, CA
Period20/05/0724/05/07

Keywords

  • Mechanical alloying
  • Nanoparticles
  • Nanorods
  • Nanostructures
  • Nanotubes

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