Y2O3 含量对燃烧合成Fe-Y2O3 纳米复合粉末性能的影响

张德印, 郝旭, 贾宝瑞, 吴昊阳, 秦明礼, 曲选辉

Effects of Y2O3 Content on Properties of Fe-Y2O3 Nanocomposite Powders Synthesized by a Combustion-Based Route

ZHANG Deyin, HAO Xu, JIA Baorui, WU Haoyang, QIN Mingli, QU Xuanhui

表1 不同Y2O3含量的Fe-Y2O3纳米复合粉末的晶粒尺寸、比表面积和室温下的磁性能

Table 1 Crystallite sizes, specific surface areas (SSAs), and room-temperature magnetic properties of Fe-Y2O3 nanocomposites with different Y2O3 contents

Sample Crystallite SSA Bs Hc size / nm m2·g-1 T kA·m-1 Fe 43 ± 0.2 9.7 ± 0.2 1.97 6.4 ± 0.7 Fe-0.2%Y2O3 40 ± 0.5 13.7 ± 0.5 1.83 28.7 ± 0.5 Fe-0.5%Y2O3 37 ± 0.3 15.6 ± 0.3 1.75 47.8 ± 0.6 Fe-1%Y2O3 34 ± 0.4 19.8 ± 0.5 1.71 51.0 ± 0.4 Fe-2%Y2O3 33 ± 0.2 22.6 ± 0.4 1.45 58.9 ± 0.7