Effect of Mo doping on the electrical properties of VO2 phase

R. Bharathi, Arun M. Umarji

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

2 Scopus citations

Abstract

Solution combustion synthesis technique was adopted to synthesize V 2O5, and Mo doped phases, The assynthesized V 2O5, has been reduced by a novel reduction technique to form VO2 typephase. The monophasic nature of the samples as revealed by XRD data and systematic shift in peak position indicated solid solubility up to 2 at % of Mo in VO2 lattice. The crystallite size was found to ∼ 40 nm. Particle size measurement carried out using Transmission electron microscope (TEM)agreed with XRD experiments. Scanning electron microscope revealed the morphology of the particles to be plate like and bimodal. Variation in the metal-insulator transition temperature as a function of doping was investigated by 4-probe electrical resistivity measurement on sintered ceramics.

Original languageEnglish
Title of host publicationProceedings of the International Conference on "Advanced Nanomaterials and Emerging Engineering Technologies", ICANMEET 2013
Pages424-425
Number of pages2
DOIs
StatePublished - 2013
Externally publishedYes
Event2013 International Conference on Advanced Nanomaterials and Emerging Engineering Technologies, ICANMEET 2013 - Chennai, India
Duration: 24 Jul 201326 Jul 2013

Publication series

NameProceedings of the International Conference on "Advanced Nanomaterials and Emerging Engineering Technologies", ICANMEET 2013

Conference

Conference2013 International Conference on Advanced Nanomaterials and Emerging Engineering Technologies, ICANMEET 2013
Country/TerritoryIndia
CityChennai
Period24/07/1326/07/13

Keywords

  • COMBUSTION SYNTHESIS
  • TRANSITION TEMPERATURE
  • VANADIUM OXIDES

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