Formation mechanism, thermal and magnetic properties of (Bi$_{1-x}$Sr$_x$)$_{m+1}$Fe$_{m-3}$Ti$_3$O$_{3(m+1)-\delta}$ ($m=4$--$7$) ceramics

N. A. Lomanova; M. V. Tomkovich; V. L. Ugolkov; M. P. Volkov; I. V. Pleshakov; V. V. Panchuk; V. G. Semenov

Geodesic

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Formation mechanism, thermal and magnetic properties of (Bi$_{1-x}$Sr$_x$)$_{m+1}$Fe$_{m-3}$Ti$_3$O$_{3(m+1)-\delta}$ ($m=4$--$7$) ceramics

N. A. Lomanova ; M. V. Tomkovich ; V. L. Ugolkov ; M. P. Volkov ; I. V. Pleshakov ; V. V. Panchuk ; V. G. Semenov

Nanosistemy: fizika, himiâ, matematika, Tome 9 (2018) no. 5, pp. 676-687.

Voir la notice de l'article provenant de la source Math-Net.Ru

Résumé

Specific features of the formation of Aurivillius phases (Bi$_{1-x}$Sr$_x$)$_{m+1}$Fe$_{m-3}$Ti$_3$O$_{3(m+1)-\delta}$ ($m=4$–$7$, $x=0.0$–$0.7$) with a perovskite-like block having a nanometric thickness ($h$) of $2$–$3$ nm are described. It has been established that the degree of isomorphous substitution in the bismuth sublattice and thermal stability of phases tend to reduce with the increasing $h$. It has been demonstrated that the magnetic ions inside the perovskite-like block can have antiferromagnetic interaction exchange that influences magnetic properties of the Aurivillius phases.

Keywords: nanolayers, perovskite-like nanoblocks, formation mechanism, thermal properties, magnetic properties.
Mots-clés : aurivillius phases

@article{NANO_2018_9_5_a11,
     author = {N. A. Lomanova and M. V. Tomkovich and V. L. Ugolkov and M. P. Volkov and I. V. Pleshakov and V. V. Panchuk and V. G. Semenov},
     title = {Formation mechanism, thermal and magnetic properties of {(Bi}$_{1-x}${Sr}$_x$)$_{m+1}${Fe}$_{m-3}${Ti}$_3${O}$_{3(m+1)-\delta}$ ($m=4$--$7$) ceramics},
     journal = {Nanosistemy: fizika, himi\^a, matematika},
     pages = {676--687},
     publisher = {mathdoc},
     volume = {9},
     number = {5},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NANO_2018_9_5_a11/}
}

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N. A. Lomanova; M. V. Tomkovich; V. L. Ugolkov; M. P. Volkov; I. V. Pleshakov; V. V. Panchuk; V. G. Semenov. Formation mechanism, thermal and magnetic properties of (Bi$_{1-x}$Sr$_x$)$_{m+1}$Fe$_{m-3}$Ti$_3$O$_{3(m+1)-\delta}$ ($m=4$--$7$) ceramics. Nanosistemy: fizika, himiâ, matematika, Tome 9 (2018) no. 5, pp. 676-687. http://geodesic.mathdoc.fr/item/NANO_2018_9_5_a11/