Description
The graphite monochromator is an advanced optional optical component installed
on the diffracted beam path between the sample and detector. Specifically engineered
for Cu Kα radiation (λ = 1.5418 Å), this module performs two critical functions:
1. Spectral Purity Enhancement
Isolates the Cu Kα₁/Kα₂ doublet by filtering out: bremsstrahlung (white radiation), Kβ emission lines,
sample-induced fluorescence.
2. Measurement Quality Improvement
Reduces background noise by >70% by eliminating: incoherent (Compton) scattering, air
scattering effects, sample fluorescence (particularly important for Fe/Ni/Co-containing materials).
Increases peak-to-background ratio for better detection of weak reflections.
Technical Advantages (ideal for):
- Quantitative phase analysis (Rietveld refinement)
- Thin film measurements
- Low-concentration phase detection
- Compatible with all standard XRD detectors
Alternative configurations available for Co and Mo anodes upon request.
Features:
- Angle of misorientation of graphite crystal planes:
- Flat: 0.5 ± 0.1°
- Curved: 0.6 ± 0.1°
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