Geodesic
Modeling EPR powder spectra of triclinic BiNb$_{1-x}$Mn$_x$O$_{4-\delta}$
Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika, Tome 11 (2018) no. 5, pp. 615-621

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EPR of solid solutions BiNb$_{1-x}$Mn$_x$O$_{4-\delta}$ in triclinic modification have been studied. The EPR spectra revealed sextet structure of Mn(II) ions with $8.4$ mT splitting and some features at $g=3.80$ and $1.47$, and a broad diffuse band with $g\approx2.2$ having a sextet with $8\div9$ mT splitting and $g=2.0$ against its background. The modeling has shown that the best reproduction of the components of the spectrum of triclinic BiNb$_{1-x}$Mn$_x$O$_{4-\delta}$ is observed with the following parameters: $g=2.0$, $D=1580\cdot10^{-4}$ cm$^{-1}$, $E=495\cdot10^{-4}$ cm$^{-1}$, $\Delta D/D=\Delta E/E=0.08$, $A=8.4$ mT, Lorentzian shape of the individual line with $\Delta B_{pp}=2.5$ мТ.
Keywords: modeling, BiNbO$_4$, functional ceramics.
Mots-clés : EPR 
@article{JSFU_2018_11_5_a8,
     author = {Vladimir P. Lutoev and Nadezhda A. Zhuk and Boris A. Makeev and Vladimir A. Belyy and Dmitriy S. Beznosikov},
     title = {Modeling {EPR} powder spectra of triclinic {BiNb}$_{1-x}${Mn}$_x${O}$_{4-\delta}$},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {615--621},
     publisher = {mathdoc},
     volume = {11},
     number = {5},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2018_11_5_a8/}
}
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%A Dmitriy S. Beznosikov
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Vladimir P. Lutoev; Nadezhda A. Zhuk; Boris A. Makeev; Vladimir A. Belyy; Dmitriy S. Beznosikov. Modeling EPR powder spectra of triclinic BiNb$_{1-x}$Mn$_x$O$_{4-\delta}$. Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika, Tome 11 (2018) no. 5, pp. 615-621. http://geodesic.mathdoc.fr/item/JSFU_2018_11_5_a8/