Local States of Iron Ions in Bi0.815Eu0.085La0.1FeO3 Perovskiteстатья
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Дата последнего поиска статьи во внешних источниках: 1 августа 2016 г.
Аннотация:Multiferroic Bi0.815Eu0.085La0.1FeO3 with rhombohedral structure is synthesized using the solid state method from highpurity metal oxides in air. The hyperfine magnetic fields and quadrupole and isomer shifts on 57Fe nuclei are investigated at temperatures of 87, 295, and 600–700 K by Mössbauer spectroscopy. Three nonequivalent magnetic trivalent highspin states of iron ions exist in this perovskite at 295 and 87 K. It is also established that there is no spatial spinmodulated structure in Bi0.815Eu0.085La0.1FeO3.