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Energy-dispersive X-ray fluorescence microanalyzer with multicapillary focussing optics

Research equipment for analysis of morphology, mechanical properties, content and structure of materials.

Energy-dispersive X-ray fluorescence microanalyzer with multicapillary focussing optics

Contacts and Location

Contact 1 Linards Skuja
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Organisational Unit Institute of Solid State Physics
    University of Latvia

Description

Research equipment for analysis of morphology, mechanical properties, content and structure of materials.

Specification

Sample excitation by X-rays (Rh tube) focused by polycapillary fiber lens, minimum spot size 50 microns (fwhm). Energydispersive liquid N2-cooled Si detector with Be window, suitable for detecting of XRF of chemical elements ranging from Na to U. Large sample chamber with computer-controlled translation (x-y-z) stage. Analysis can be performed in air or vacuum (in case of light elements). Linear 1D and 2D distributions (maps) of chemical elements in the sample can be measured. Manufacturer: EDAX/Ametek, Model: Eagle III microprobe. Builtin additional options: set of filters in the primary (excitation) X-ray beam, and variable focusing spot size.

Services

General application for express-analysis of elemental composition of different materials and devices. Compared to electron microscope-based XRF microanalyzers, no special sample preparation is required. The main limitation is the inability to detect elements lighter than sodium (Na). Both basic components and trace impurities in the samples can be analyzed. Dependent on the element of interest and sample composition, sensitivity up to 100 ppm can be reached.

Funding Source

Other -
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