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MiniFlex: differences in intensity/resolution due to differences in X-ray tubes

AppNote B-XRD1050: differences in intensity/resolution due to X-ray tube type

Background

With the MiniFlex, it is possible to select a fine focus tube (focal point size 0.4 x 8 mm²) in addition to a normal focus tube (focal point size 1 x 10 mm²) of the type generally used with powder X-ray diffractometers. Fig. 1 shows an overlay of diffraction peaks obtained by measuring with a normal focus tube and fine focus tube. Table 1 shows a comparison of intensity, and full width at half maximum (FWHM), which varies proportionally with resolution.

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