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

• Autorzy: Guskos N. , Glenis S. , Karkas K. , Zolnierkiewicz G. , Bosacka M.
• Języki publikacji: EN

Abstrakty

EN

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.

Słowa kluczowe

EN

EPR; magnetic properties; conductivity

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2013
• Tom: Vol. 31, No. 1
• Strony: 25--28
• Opis fizyczny: Bibliogr. 26 poz., rys.

Twórcy

autor

Guskos N.

autor

Glenis S.

autor

Karkas K.

autor

Zolnierkiewicz G.

autor

Bosacka M.

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

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