Aurivillius phases of PbBi4Ti4O15 doped with Mn3+ synthesized by molten salt technique: Structure, dielectric, and magnetic properties

Zulhadjri, B. Prijamboedi, A. A. Nugroho, N. Mufti, A. Fajar, T. T. M. Palstra, Ismunandar

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    Doping of manganese (Mn3+/Mn4+) into the Aurivillius phase Pb1−xBi4+xTi4−xMnxO15 was carried out using the molten salt technique for various Mn concentrations (x=0, 0.2, 0.4, 0.6, 0.8, and 1). Single phase samples could be obtained in the composition range with x up to 0.6 as confirmed by X-ray and neutron diffraction analysis. Dielectric measurements show a peak at 801, 803, 813 and 850 K for samples with x=0, 0.2, 0.4, and 0.6, respectively, related to the ferroelectric transition temperature (Tc). The main contribution of the in-plane polarization for x≤0.2 which was calculated from the atomic positions obtained by the structure analysis is the dipole moment in the Ti(1)O6 layer; however, for x≥0.4 the polarization originates from the dipole moment in the Ti(2)O6 layer. Mn doping in the Pb1−xBi4+xTi4−xMnxO15 does not show any long range magnetic ordering.
    Original languageEnglish
    Pages (from-to)1318-1323
    JournalJournal of solid state chemistry
    Issue number5
    Publication statusPublished - May 2011


    • Aurivillius phase
    • Molten-salts
    • Ferroelectric
    • Paramagnetic
    • Ferromagnetic interaction

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