12.07.2015 Views

Energy/Wavelength Dispersive X-ray Analysis

Energy/Wavelength Dispersive X-ray Analysis

Energy/Wavelength Dispersive X-ray Analysis

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EDX DetectorsPeak energy gives qualitative informationPeak intensity gives quantitative informationCrystal (Si-drift detector or X-<strong>ray</strong> microcalorimeter)detects X-<strong>ray</strong>sLiquid nitrogen cools crystal to reduce noise.Window separates detector from columnvacuum.Collimator eliminates st<strong>ray</strong> X-<strong>ray</strong>s.

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