采用溶胶-凝胶法制备了Bi1-xLax (Fe0.95 Mn0.05)O3 (x=0,0.10,0.15)多晶样品.X射线衍射实验表明La、Mn离子共掺杂没有改变样品的四方晶格结构.X射线能量色散分析显示样品的化学组分几乎不变.Mn离子掺杂或者是(La、Mn)离子共掺杂,导致铁酸铋材料的磁性增强.X射线吸收精细结构实验表明Mn3+的局域结构的改变是样品磁性增强的原因.
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