1200℃空气中Sr(Fe,Mo)O3的相关系和均匀区

International Journal of Inorganic Materials Pub Date : 2001-11-01 DOI:10.1016/S1466-6049(01)00183-0

Peter Majewski, Jochen Rager, Cornelia Schurr, Fritz Aldinger

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引用次数: 4

摘要

在空气中1200℃时，Mo在Sr(Fe,Mo)O3−x (SFM)中的固溶度不超过15mol .%。SFM与SrO-Fe2O3-MoO3体系的大部分化合物处于平衡状态。氧含量、a轴参数和电阻率随Mo含量的增加而增加。SFM的氧分析表明Fe (Fe3+/Fe2+)和Mo (Mo6+/Mo5+)的混合价态。在SFM样品中未观察到磁阻。

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Phase relations and homogeneity region of Sr(Fe,Mo)O3 at 1200°C in air

At 1200°C in air, the solid solubility of Mo in Sr(Fe,Mo)O_3−x (SFM) does not exceed 15 mol.%. SFM is in equilibrium with most of the compounds of the system SrO–Fe₂O₃–MoO₃. The oxygen content, the a axis parameter, and the resistivity of SFM increases with increasing Mo content. The oxygen analysis of SFM indicates mixed valent states of Fe (Fe³⁺/Fe²⁺) and or Mo (Mo⁶⁺/Mo⁵⁺). Magnetoresistance was not observed in SFM samples.

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International Journal of Inorganic Materials

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