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chenyi6970

新虫 (小有名气)

[求助] 文章review关于XRD 衍射的问题

Indeed, since your XRD experiment is not a theta-two theta experiment but a detector scan (with a fixed grazing incidence angle), you are not able to measure any texture except if the diffraction vector stands along the texture direction which is roughly your case, by chance. I have calculated that the angle between the diffraction vector direction for the (002) diffraction peak and the normal of the sample surface is around 14° (assuming a 3° grazing angle).

很想知道他这14度是怎么算得,能不能给点 信息 ,谢谢!!!!!!!
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南风太古心

金虫 (正式写手)

linhua0402313: , 欢迎回帖交流 2012-05-23 17:21:18
我想知道detector scan mode的原理是什么,光源固定,入射角固定,那么变量有哪些?还有为什么只有当衍射矢量方向与织构一致时才可以测得织构的情况。
不了解detector scan mode,也不了解织构,于是坐等高手。
最讨厌半途而废--はなのrefinement计划进行中
2楼2012-05-23 17:16:31
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