X射线粉末衍射图谱和数据,怎样分析?
例如,一个XRD谱图数据如下:
2-Theta d(Å) BG Height Height% Area Area% FWHM XS(Å)
13.583 6.5135 8 110 33.0 26.8 38.2 0.207 639
19.136 4.6342 4 24 7.2 5.4 7.7 0.191 689
20.160 4.4010 5 39 11.7 9.9 14.1 0.216 514
20.741 4.2791 4 142 42.6 34.4 49.0 0.206 560
23.099 3.8472 4 65 19.5 17.7 25.3 0.232 441
23.558 3.7733 5 115 34.5 26.7 38.0 0.197 586
26.641 3.3432 7 79 23.7 21.5 30.7 0.232 431
27.238 3.2714 6 333 100.0 70.1 100.0 0.179 678
31.159 2.8680 5 143 42.9 36.0 51.4 0.214 474
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关于“怎样根据X射线衍射图测算其相数”的回答如下:
SCAN:3.0/85.0/0.02/0.15(sec),Cu(40kV,30mA),I(cps)=339,
扫描:从3.0度/到85.0度/步长0.02度/用时0.15(sec),X射线Cu(40kV,30mA),I(cps)=339,最强峰强I1=339(每秒计数counts per sec)
PEAK:21-p