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MEX Beamlines

MEX Beamlines

Welcome to the User Wiki for the Medium Energy X-ray Absorption Spectroscopy Beamlines (MEX-1 and MEX-2)

 

Potential NEW Users MUST CONTACT BEAMLINE STAFF at as-mex@ansto.gov.au to discuss the proposed measurements before submitting their proposal

We are not currently offering microprobe capability. The capability schedule below will be updated when the microprobe is ready to be rolled out.

XAS experiment.png

STEP 1. Preparing a MEX Proposal

 

Preparing your MEX proposal

 

STEP 2. Preparing for Beamtime

 

STEP 3. After your Beamtime

 

STEP 2. Preparing for Beamtime

 

STEP 3. After your Beamtime

 

Choosing an X-ray Absorption Spectroscopy Beamline

MEX-1 Accessible Edges

3.5 - 13.8 keV

MEX-2 Accessible Edges

1.7 - 3.2 keV

 

MEX1_periodic_table (2).png

 

 

MEX-1 Capabilities

MEX-2 Capabilities

  • Room temperature transmission and fluorescence, solid and liquid

  • Contact us for potential cryostat capability tests

  • Room temperature drain current and fluorescence in vacuum, solids only

  • Fluorescence in helium (contact us for liquids)

3.5 - 13.8 keV

1.7 - 3.2 keV

Ex situ samples

Contact us for potential dry in situ capability tests

Ex situ samples ONLY

Maximum beam size (horizontal x vertical; beam size can be reduced from the maximum using slits)

5 mm x 0.5 mm

Maximum beam size (horizontal x vertical; beam size can be reduced from the maximum using slits)

5 mm x 3 mm

Estimated scan duration

~20 mins XANES

~35 mins EXAFS (duplicates or triplicates recommended)

Estimated scan duration

~20 mins XANES

MEX-1 OR XAS? Follow this flowchart!

For more information about the XAS Beamline, please visit the XAS User Wiki.

MEX-1 and MEX-2 are new beamlines which came online in late 2022 and early 2023. Our current capability is as of Dec 2024. For more information on MEX-1 and MEX-2, please see the linked pages below and the ANSTO website.

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