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Title: Effect of Magnesium Substitution on Dielectric Constant of Zn2-xMgxInV3O11 (x = 0.0, 0.4, 1.6) Solid Solutions
Authors: Sawicki, Bogdan
Bosacka, M.
Filipek, E.
Groń, Tadeusz
Duda, Henryk
Oboz, Monika
Urbanowicz, Piotr
Keywords: Magnesium Substitution
Issue Date: 2018
Citation: Acta Physica Polonica A, Vol. 134, No. 4 (2018), s. 958-961
Abstract: The results of magnetic and dielectric measurements of Zn2􀀀xMgxInV3O11 phases with x = 0:0, 0.4, and 1.6 showed diamagnetic behavior above room temperature and a strong increase in the relative electrical permittivity, "r, with an increase in the magnesium content as well as the high loss tangent, tan , above 150 K, irrespective of the magnesium content in the sample. With the increase in the frequency of the electric field both "r and tan strongly decreased. At low temperatures a residual paramagnetism coming from the paramagnetic ions of vanadium was observed. These effects were interpreted within a framework of the vacancy trapping centers acting as the accumulation of electric charges on the one hand and a mixed valence of vanadium ions on the other.
DOI: 10.12693/APhysPolA.134.958
ISSN: 1898-794X
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