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双钙钛矿La_2NiMnO_6多晶靶材的制备及结构表征

Fabrication and Properties of La_2NiMnO_6 Polycrystalline Targets
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摘要 通过固相烧结法制备了符合脉冲激光沉积(PLD)镀膜所用的双钙钛矿La2NiMnO6多晶靶材。利用热重—差热分析仪(TG-DTA)分析了La2NiMnO6多晶靶材成相过程及热学性质,并用X射线衍射仪(XRD)和偏光显微镜对不同烧结温度下制备的La2NiMnO6多晶靶材的相组成和形貌结构进行了表征。结果表明,烧结温度到达700℃之后La2NiMnO的晶粒成相基本完成,其最优化烧结温度约为1 100℃。 Polyerystalline targets La2NiMnO6 with high purity, single phase and meeting these requirements of PLD coating were fabrieated by solid - state method. The TG - DSC results showed that the perovskite phase had well been formed at 700℃. The polarizing mieroseope and the X -ray Diffraetion （XRD） were used to analyze the miero- strueture and the figure of the La2NiMnO6 samples. It was found that the optimal sinter temperature of La2NiMnO6 with high purity and single phase was gained at 1 100℃.
作者 刘冬梅 李小兵 秦赛 朱明
机构地区 东南大学成贤学院基础部 东南大学物理系
出处 《化工时刊》 CAS 2013年第7期14-17,共4页 Chemical Industry Times
关键词 双钙钛矿 La2NiMnO6 多晶靶材 烧结温度 double -perovskite La2NiMnO6 Polyerystalline targets sinter temperature
分类号 O484.1 [理学—固体物理]
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参考文献11

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化工时刊
2013年 第7期

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