Imaging JRA - latest achievements

It is time for a summary of the achievements of this JRA. New methods now provide information on material and magnetic systems which are not accessible using any other experimental technique.

NMI3, 11/12/2015

Neutron imaging is a direct method for non-destructive investigations of objects in science and technology. This Joint Research Activity (JRA) is developing new methods which will allow to probe micro and nano structural properties of composite materials using imaging in real and reciprocal space, as well as new tools that use neutron scattering to complement the existing magnetic imaging techniques.

Thanks to NMI3, new methods now provide information on material and magnetic systems which are not accessible using any other experimental technique. These new techniques have the potential of attracting a large number of people from the large communities of the nanomagnetism, engineering and generally from materials science.

For more information about the different tasks of this JRA please visit this page .

Achievements of each task

Main components of the new nGI at the ANTARES beamline, FRM II

Nano- and micro structures resolved dark-field neutron imaging with grating interferometers

Improved visibility contrast of interferential gratings setup
Magnet setup for neutron Grating Interferometry (nGI) measurements of magnetic samples
Homogenous magnetic field up to 0.5 T for nGI investigations

Gadolinium Siemens star test object using standard MICRO-setup.

Direct high-resolution imaging

Improved neutron tomography detector with pixel size of 6.5 μm

Double crystal monochromator for energy-selective imaging and Bragg-edge mapping at HZB and Bragg-edge mapping experiments.

Strain and stress mapping

Double crystal monochromator for energy-selective imaging and Bragg-edge mapping experiments

Micromagnetic simuation of large arrays of nanowires

SANS 3D: vectorial magnetic imaging of nano-particles

Polarized SANS (PSANS) measurements
‘Nmag’ software for micromagnetic simulations
3D configuration of large arrays of nanowires
New polarimeter for SANS

Carpet of Co nanowires and SANS scattering

Precessionnal spectroscopy: vectorial magnetic imaging of planar structures

Magnetic scanning technique for high spatial resolution
Experimental study of magnetic micro wires

Domain expulsion in the IMS of superconducting Nb in increasing field after FC to 4 K observed by means of nGI

Direct magnetic neutron imaging

Direct magnetic imaging of magnetic flux penetration in a Niobium superconductor
New method for the investigation of superconducting phenomena

Latest achievements

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