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Crystalline Phase Identification Method, Crystalline Phase Identification Device, and X-Ray Diffraction Measurement System
Crystalline Phase Identification Method, Crystalline Phase Identification Device, and X-Ray Diffraction Measurement System
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机译:结晶相识别方法,结晶相识别装置和X射线衍射测量系统
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摘要
A crystalline phase contained in a sample is identified, from X-ray diffraction data of the sample which contain data of a plurality of ring-shaped diffraction patterns, using a database in which are registered data related to peak positions and peak intensity ratios of X-ray diffraction patterns for a plurality of crystalline phases. Peak positions and peak intensities for a plurality of the diffraction patterns are detected from the X-ray diffraction data (step 102), and the circumferential angle versus intensity data of the diffraction patterns is created (step 103). The diffraction patterns are grouped into a plurality of clusters on the basis of the circumferential angle versus intensity data (step 105). Crystalline phase candidates contained in the sample are searched from the database on the basis of sets of ratios of peak positions and peak intensities of the diffraction patterns grouped into the same cluster (step 106).
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