Abstract
The magnetization of the porous glass nanocomposite with CuO nanoparticles embedded in the pores has been studied in the temperature range from 1.8 to 350 K for different pore fillings. It has been shown that the magnetic properties of these nanocomposites depend significantly on pore filling. It has been found that, in the low-temperature range for the nanocomposite with a pore filling of 55% and for pressed CuO, the ZFC and FC susceptibilities diverge, a feature which has been almost absent in the nanocomposite with 21% filling. It has been demonstrated that the kink in the temperature dependence of magnetization, which corresponds to the paramagnetic-multiferroic phase transition, does not shift in the sample with a larger pore filling as compared to that observed in the bulk sample.
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Original Russian Text © E.V. Charnaya, M.K. Lee, C. Tien, V.N. Pak, D.V. Formus, A.L. Pirozerskii, A.I. Nedbai, E.V. Ubyivovk, S.V. Baryshnikov, L.J. Chang, 2012, published in Fizika Tverdogo Tela, 2012, Vol. 54, No. 9, pp. 1772–1776.
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Charnaya, E.V., Lee, M.K., Tien, C. et al. Magnetic properties of porous glass-CuO nanocomposites. Phys. Solid State 54, 1891–1895 (2012). https://doi.org/10.1134/S1063783412090077
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DOI: https://doi.org/10.1134/S1063783412090077