<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml">The high-energy milling of the V2O5-Na2SO3 mixture in the range of 5 - 100 min leads to a synthesis of monoclinic VO2. The starting and minimum (at 220 °C) values of electric resistance <italic>R</italic> of the 100 min milled and pressed VO2-Na2SO4 mixture were 13.9 MΩ and 91.5 kΩ, respectively. The subsequent washing of the as-milled powder partially leads to the development of VO2 nanostructures with tube-like, sheet-like and rod-like morphology, besides VO2 (B) belt-like morphology, depending on the milling times.</abstract>

The high-energy milling of the V2O5-Na2SO3 mixture in the range of 5 - 100 min leads to a synthesis of monoclinic VO2. The starting and minimum (at 220 °C) values of electric resistance R of the 100 min milled and pressed VO2-Na2SO4 mixture were 13.9 MΩ and 91.5 kΩ, respectively. The subsequent washing of the as-milled powder partially leads to the development of VO2 nanostructures with tube-like, sheet-like and rod-like morphology, besides VO2 (B) belt-like morphology, depending on the milling times.

Synthesis and Transport Properties of Nanostructured VO2 by Mechanochemical Processing

Institute of Measurement Science, Slovak Academy of Sciences, Dúbravská cesta 9, 841 04 Bratislava, Slovakia

Department of Inorganic Chemistry, Faculty of Natural Sciences, Comenius University, Mlynská dolina, 842 15 Bratislava, Slovakia

Department of Geology of Mineral Deposits, Faculty of Natural Sciences, Comenius University, Mlynská dolina, 842 15 Bratislava, Slovakia

Faculty of Materials Science and Technology, Institute of Materials Science, J. Bottu 25, 917 24 Trnava, Slovakia

Measurement Science Review

Synthesis and Transport Properties of Nanostructured VO by Mechanochemical Processing

The high-energy milling of the V2O5-Na2SO3 mixture in the range of 5 - 100 min leads to a synthesis of monoclinic VO2. The starting and minimum (at 220 °C)...

Synthesis and Transport Properties of Nanostructured VO₂ by Mechanochemical Processing

Publié en ligne: 08 avr. 2011

Pages: 29 - 33

DOI: https://doi.org/10.2478/v10048-011-0001-6

Mots clés
Nanostructures, chemical synthesis, transmission electron microscopy (TEM), electrical resistivity

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