Author:
Zhuk N. A.,Lutoev V. P.,Makeev B. A.,Chezhina N. V.,Belyy V. A.,Nekipelov S. V.
Abstract
Abstract
Magnetic susceptibility and EPR of iron-containing solid solutions with layered perovskite-like structure Bi2BaNb2-2xFe2xO9-δ and Bi5Nb3-3xFe3xO15-δ have been studied. The solid solutions Bi2BaNb2-2xFe2xO9-δ as well as iron oxides FeO, Fe2O3, and Fe3O4 were studied by the NEXAFS spectroscopy. The formation of exchange-bound aggregates of Fe(III) atoms with antiferroand ferromagnetic exchange types has been found in the solid solutions. In the ESR spectra of the solid solution samples, the lines with g ≈ 2.0 and g = 4.27 having a weak shoulder at g ~ 8 were attributed to Fe(III) atoms in the octahedral field with strong rhombic distortion.
Subject
Condensed Matter Physics,General Materials Science
Reference2 articles.
1. In;Akselrud;Rep XII Eur Crystallographic,1985
2. of;Czekaj;Eur Soc,2004
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