Analysis with neutrons

Prompt gamma activation analysis for the measurement of trace elements. © Astrid Eckert / TUM

The sample is prepared for the experiment. © Astrid Eckert / TUM

The sample must be placed correctly in the sample holder for the experiment. © Astrid Eckert / TUM

The loaded sample holder is positioned in the instrument. © Astrid Eckert / TUM

Removal of the sample holder after the experiment has been carried out. © Astrid Eckert / TUM

After irradiation, the chemical fingerprint can be recognized in the form of a spectrum. © FRM II / TUM

Thanks to the high neutron flux, the FRM II with its 26 unique instruments offers a diverse portfolio of analytical investigation methods for simple to very complex materials. The experiments can be carried out on samples on the entire length scale from 10^-10 m up to component sizes of several decimeters.

Typical methods used here include

Neutron radiography
Neutron tomography for imaging (2D and 3D)
Diffraction for phase analysis and residual stress measurement
Small-angle scattering to determine nanoscale objects
Neutron depth profile analysis for lithium distribution on the surface
Prompt-gamma-activation analysis for the measurement of trace elements.

Very special sample environments (furnaces, testing machines, potentiostats, electric fields, magnets, gas atmospheres, hydrogen loading station) can easily be used to support in-situ and operando studies.

In addition, radioisotopes can be produced in the irradiation facilities or the doping of samples can be offered.

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