[材料试验方法X射线衍射X射线光电子能谱.ppt

参考文献 [1] H.P.Klug，L.E.Alexander合著，盛世雄译，X射线衍射技术， 冶金工业出版社，1986 [2] 何崇智，郗秀荣等编，X射线衍射实验技术， 上海科学技术出版社， 1988 [4] 范雄主编，X射线金属学，机械工业出版社，1982 [5] 韩建成等编，多晶X射线结构分析， 华东师范大学出版社，1989 [6] Kompany A, Ghorbani-Moghadam T, Kafash S, et al. Frequency dependence of Néel temperature in CaMnO 3? δ ceramics: Synthesized by two different methods[J]. Journal of Magnetism Magnetic Materials, 2014, 349:135-139. [7] Park J W, Kwak D H, Yoon S H, et al. Thermoelectric properties of Bi, Nb co-substituted CaMnO 3 at high temperature[J]. Journal of Alloys Compounds, 2009, 487(s 1–2):550-555. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 定性物相分析原理 定性物相分析原理： 根据实验得到的d-I/I0一套数据，与已知的标准卡片数据对比，来确定相应的未知物相。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 国际通用的标准卡片 JCPDS卡片?? The Joint Committee on Powder Diffraction Standards ； PDF 卡片 ?? Powder Diffraction File ASTM 卡片?? The American Society for Testing Materials Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 标准卡片索引的使用 数字索引 ?? Hanawalt法，是一种按d值强弱顺序编排的数字索引，对完全未知待测样品进行相分析时使用。 字母索引 ?? 戴维 ? K法，已知样品中某些元素做相分析时用，先推测出可能的化合物，然后根据英文名称查对确定。 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 图5 X射线衍射法对矿物中药磁石的物相分析图谱 Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd. 2. 晶胞参数与结构的测定 由布拉格方程 2 d sin? = ? 推得 sin2?= ( ? / 2 ) 2 / d 2 （1） 对于立方晶系，晶面间距与晶胞参数有如下关系 d = a / ( h 2+ k2 + l 2) 1/