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OALib Journal期刊
ISSN: 2333-9721
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镨掺杂钡铁氧体--聚吡咯复合膜的制备和性能
Keywords: 无机非金属材料,钡铁氧体,镨掺杂,聚吡咯,复合薄膜
Abstract:
？分别用溶胶-凝胶法和原位氧化聚合法制备了镨掺杂钡铁氧体/聚吡咯复合膜,借助x射线衍射仪(xrd)、红外光谱(ftir)、扫描电子显微镜(sem)、振动样品磁强计(vsm)和矢量网络分析仪等手段表征了复合膜的结构和形貌,研究了样品的磁性能和吸波性能。结果表明,复合膜的饱和磁化强度ms和剩余磁化强度mr均比钡铁氧体单膜的低,复合膜的矫顽力hc比钡铁氧体膜的高;镨掺杂钡铁氧体--聚吡咯复合膜兼具介电损耗和磁损耗,有利于拓宽吸收频带和改善吸波性能。
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