Cation ordering in Sr(Fe1 − x Co x )0.9Ga0.1O2.5 with brownmillerite structureстатья
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Дата последнего поиска статьи во внешних источниках: 19 сентября 2015 г.
Аннотация:Samples of solid solutions of the series Sr(Fe1 − x Co x )0.9Ga0.1O2.5 with brownmillerite structure are produced from appropriate amounts of oxides Fe, Co, Ga, and SrCO3 in different gaseous media and temperature conditions using solid-phase synthesis. Features of the distribution of cations over nonequivalent positions of the crystalline structure of the obtained samples are studied using the 57Fe Mössbauer absorption and emission spectroscopy.