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Particle Size Dependent Cation Distribution in Lithium Ferrite Spinel LiFe5O8

机译:尖晶石型锂铁LiFe 5 O 8 中粒径依赖性阳离子分布

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Particle size dependent cation distribution in lithium ferrite (LiFe5O8) is investigated by means of in-field M?ssbauer spectroscopy at 5K. The mechanically induced reduction of the average particle size of LiFe5O8 to the nanometer scale is accompanied by a decrease of the concentration of Fe3+ cations on tetrahedral sites and an increase on the octahedral sites. Quantitative information on the degree of inversion of LiFe5O8 is complemented by TEM investigations of the nanoscale material.
机译:利用场内Msssbauer光谱在5K的条件下研究了铁酸锂(LiFe 5 O 8 )中与粒径有关的阳离子分布。机械诱导将LiFe 5 O 8 的平均粒径减小至纳米级,同时降低了Fe 3 + 四面体位点上的阳离子,八面体位点上的阳离子增加。纳米级材料的TEM研究补充了LiFe 5 O 8 的反转程度的定量信息。

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