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Microwave Absorbing Properties of La0.8Sr0.2Mn0.98-xFexNi0.02O3
Author(s): 
Pages: 68
Year: Issue:  5
Journal: Safety & EMC

Keyword:  吸波材料电磁损耗溶胶-凝胶法;
Abstract: 用溶胶一凝胶法制备了La0.8Sr0.2Mn0.98-xFexNi0.02O3(x=0.08,0.10,0.12,0.14)粉晶,用矢量网络分析仪测量了样品在2~18 GHz频段内的微波吸收特性曲线.研究结果表明,样品都有一个吸收峰,峰高及位置随X不同而异.其中,x=0.10,厚度1.80 mm,吸收峰高达23 dB,在2~18 GHz频段吸收带宽6 GHz(>10 dB).掺杂Mn位,可以改变材料的电磁参数,改善材料的微波吸收性能.
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