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suny2009

铁虫 (小有名气)

[求助] 多晶样品二次烧结后XRD峰强比变化

样品第一次烧结后,XRD谱中(111)峰高于(211)峰,与标准PDF匹配,二次研磨烧结后,(211)却高于(111).
该材料为固相法合成的多晶粉末,并且在测量之前,进行了长时间的研磨,奇怪怎么会出现这种情况?
PS. 该材料空间群结构为P m-3m.

[ Last edited by suny2009 on 2013-1-18 at 11:08 ]
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flyingwithme

新虫 (初入文坛)

对于这种多晶样品,讨论峰值的变化没有意义. 只要是看线宽,峰位等.
2楼2013-01-18 13:28:03
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