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Sr_2CeO_4物相形成过程的XRD分析 被引量：1

XRD Analysis for the Formation of Sr_2CeO_4 Phase
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摘要 采用X射线衍射技术分析了SrCO3和CeO2 (摩尔比 2∶1 )混合粉料经不同灼烧时间反应后的物相组成 .结果表明在Sr2 CeO4的形成过程中将出现不稳定的中间相SrCeO3,原始粉料CeO2 相会提前消失 ,SrCeO3与SrCO3反应生成最终稳定的目标相Sr2 CeO4.X射线衍射数据显示Sr2 The phase assembles of the SrCO 3 and CeO 2(2∶1)starting powder mixture calcined for different time were identified by X ray diffraction method.It was found that the intermediate phase SrCeO 3 was developed and the starting powder phase CeO 2 was lost in advance during the formation of Sr 2CeO 4.SrCeO 3 and SrCO 3 were converted to the final product Sr 2CeO 4.The results of XRD reveal that Sr 2CeO 4 belongs to orthorhombic crystal system.
作者 戴军 符史流 周甫方
机构地区 汕头大学物理系
出处 《汕头大学学报（自然科学版）》 2004年第2期18-22,共5页 Journal of Shantou University：Natural Science Edition
关键词 物相形成 XRD X射线衍射 SR2CEO4 正交晶系 发光材料 Sr_2CeO_4 XRD crystal phase crystal system
分类号 TN104.3 [电子电信—物理电子学] O482.31 [理学—固体物理]
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参考文献7

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二级参考文献1

共引文献23

同被引文献7

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汕头大学学报（自然科学版）
2004年 第2期

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