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Beamline 10.3.2 Print


Environmental and Materials Science, Micro X-Ray Absorption Spectroscopy (µXAS, µEXAFS)


Scientific disciplines: Earth and environmental science, material science





Source characteristics

Bend magnet (beamline optics collect 0.166 horizontal mrad)

Energy range

2.5-17 keV


Monochromatic, with Si(111) two-crystal, constant-exit monochromator

Measured flux

9 x 109 photons/s into 16 x 7 µm2 spot at 6 keV

Resolving power (E/ΔE)



Hutch with optical table


Sample mounted on x-y-z translation stage


Seven-element Ge solid-state fluorescence detector (XIA), Smart6000 Bruker CCD for µXRD, total electron yield device

Spot size at sample

From 2 x 2 µm2 up to 16 x 7 µm2 (full flux)

Sample format

Solids or liquids (in cells, capillaries, Si3N4 sandwiches). STXM samples OK.

Sample environment

Air, sample cooling to -30 C (Peltier) or 100 K (Cryo-Stream available). Typically 30 microns thick petrographic thin section.

Experimental techniques

Custom designed for micro X-ray absorption spectroscopy, micro X-ray fluorescence and micro X-ray diffraction.

Scientific disciplines Earth and environmental science, material science.

Local contact / Spokesperson

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Advanced Light Source, Berkeley Lab
Phone: (510) 486-5787
Fax: (510) 486-7696

Beamline phone number

(510) 495-2106



More information about this beamline is available at the µXAS and µEXAFS on Beamline 10.3.2 web site.