CUI Ming-jie, ZHANG Guo-guang, LI Qin, LIU Ting. Studies on the structure and oxygen nonsotichometry of LaSr3Fe3O10-δ mixed conductor[J]. Journal of nanchang hangkong university(Natural science edition), 2007, 21(3): 84-89.
Citation: CUI Ming-jie, ZHANG Guo-guang, LI Qin, LIU Ting. Studies on the structure and oxygen nonsotichometry of LaSr3Fe3O10-δ mixed conductor[J]. Journal of nanchang hangkong university(Natural science edition), 2007, 21(3): 84-89.

Studies on the structure and oxygen nonsotichometry of LaSr3Fe3O10-δ mixed conductor

  • Pure LaSr3Fe3O10-δ was synthesised by citric acid method.The average valence of Fe and the oxygen nonstoichiometry of LaSr3Fe3O10-δ were studied by means of indirect iodometric titration.It has been found that the increase of oxygen nonstoichiometry δ with the temperature gives rise to the increase of Fe content,thus the decreasing the average valence of Fe.
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