<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>The electronic properties of multicomponent vanadate oxides M2InV3O11 (M(II) = Zn(II) and Co(II)) were investigated by electrical resistivity and electron paramagnetic resonance (EPR) measurements. Replacement of non-magnetic Zn(II) cations with magnetic Co(II) ions resulted in a significant drop in the electrical conductivity and an increase in the activation energy. The EPR spectroscopy revealed the presence of VO2+ vanadyl ions in both compounds, while the presence of divalent cobalt ions was identified in the Co2InV3O11 oxide at low temperatures. The concentration of VO2+ vanadyl ions was found to be about one order higher for the vanadate oxide without magnetic ions. It is suggested that the increased concentration of VO2+ ions could be responsible for the enhanced conductivity of Zn2InV3O11.</p></abstract>

The electronic properties of multicomponent vanadate oxides M2InV3O11 (M(II) = Zn(II) and Co(II)) were investigated by electrical resistivity and electron paramagnetic resonance (EPR) measurements. Replacement of non-magnetic Zn(II) cations with magnetic Co(II) ions resulted in a significant drop in the electrical conductivity and an increase in the activation energy. The EPR spectroscopy revealed the presence of VO2+ vanadyl ions in both compounds, while the presence of divalent cobalt ions was identified in the Co2InV3O11 oxide at low temperatures. The concentration of VO2+ vanadyl ions was found to be about one order higher for the vanadate oxide without magnetic ions. It is suggested that the increased concentration of VO2+ ions could be responsible for the enhanced conductivity of Zn2InV3O11.

Electronic properties of M2InV3O11 (M(II) = Zn(II) and Co(II)) compounds

Department of Solid State Physics, School of Physics, Faculty of Sciences, University of Athens, Panepistimiopolis, 15 784, Zografos, Athens, Greece

Institute of Physics, West Pomeranian University of Technology, Al. Piastow 17, 70-310, Szczecin, Poland

Department of Inorganic and Analytical Chemistry, West Pomeranian University of Technology, Al. Piastow 17, 70-310, Szczecin, Poland

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Electronic properties of M2InV3O11 (M(II) = Zn(II) and Co(II)) compounds"}

The electronic properties of multicomponent vanadate oxides M2InV3O11 (M(II) = Zn(II) and Co(II)) were investigated by electrical resistivity and electron...

Electronic properties of M2InV3O11 (M(II) = Zn(II) and Co(II)) compounds

Publié en ligne: 09 févr. 2013

Pages: 25 - 28

DOI: https://doi.org/10.2478/s13536-012-0067-3

Mots clés
EPR, magnetic properties, conductivity

© 2013 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Electronic properties of M2InV3O11 (M(II) = Zn(II) and Co(II)) compounds

Publié en ligne: 09 févr. 2013

Pages: 25 - 28

DOI: https://doi.org/10.2478/s13536-012-0067-3

Mots clésEPR, magnetic properties, conductivity

© 2013 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
EPR, magnetic properties, conductivity