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cdj2593

木虫 (正式写手)

自定义头衔

[求助] XRD做phi 扫描的倾斜角度

请问XRD做phi scan的倾斜角度是如何确定的,我看好多帖子(http://muchong.com/bbs/viewthread.php?tid=1526925)都说是要扫的面和生长面的夹角,但是我看的几篇文献都是倾斜角度为54.7,尽管基底和薄膜都不一样的。难道54.7是通用的?请指教,谢谢,
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luxtal

至尊木虫 (职业作家)

【答案】应助回帖

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感谢参与,应助指数 +1
cdj2593: 金币+30, ★★★★★最佳答案, 谢谢你 2013-03-22 23:57:16
54.7被称为“magic angle”,据说有很多优点,所以bruker的三园衍射仪就将Chi圆固定在54.7度左右。其实不一定非选这个角度。
What_we_observe_is_not_nature_itself,_but_nature_exposed_to_our_method_of_questioning----Werner_Karl_Heisenberg
2楼2013-03-22 23:45:48
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