Grain boundary effects in highly ordered Sr₂FeMoO₆

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• 作者：E. Burzo ; I. Balasz ; S. Constantinescu ; I.G. Deac
• 关键词：Double perovskite ; Magnetoresistance ; Mö ; ssbauer effect ; HRTEM ; Magnetic measurement
• 刊名：Journal of Magnetism and Magnetic Materials
• 出版年：2007
• 期刊代码：31_03048853
• 类别：ph
• 出版时间：September 2007
• 卷：316
• 期：2
• 页码：e741-e744
• 文件大小：777 K

摘要

The X-ray, HRTEM, electrical resistivities, magnetic and Mössbauer effect studies were performed on Sr₂FeMoO₆ samples. It was shown that the nonuniform composition inside the grains and that at grain boundaries influence the magnetoresistive properties.