Description
Many current forthcoming applications of magnetic materials involve heterostructures or alloys containing magnetic and non-magnetic elements. X-ray Resonant (Coherent) Scattering is the technique of choice to probe such phenomena thanks to its element-selectivity and spatial sensitivity.
In this poster I will introduce the experimental set-up that we developed at SOLEIL and illustrate their capabilities. SEXTANTS [1] is a beamline of the SOLEIL synchrotron, covering the 50-1700eV energy range dedicated to soft x-ray scattering. The resolving power exceeds 104 and maximum flux on the sample ranges from 1×1014 (100 eV) to 2×1013 (1000 eV) ph./s/0.1% bw. The beamline’s main objective is the investigation of the electronic and magnetic properties of solids using three scattering techniques: resonant inelastic x-ray scattering (RIXS), x-ray resonant magnetic scattering (XRMS) and coherent x-ray scattering (CXS), the last one including also imaging via Fourier transform holography (FTH) [2].
The coherent scattering is an important aspect at the Sextants beamline and several techniques are now routinely available: coherent imaging using holography and ptychography in transmission and reflectivity, 3D imaging of magnetic domains [3, 4], with 5-10 nm spatial resolution, while keeping the sample under extreme conditions of temperature, magnetic or electric fields, RF or continuous currents. Recent experiments showed the possibility to also create and use OAM beams at the Sextants beamline.
Finaly, the new IR fs laser, 7W, 1 kHz repetition rate, and synchronized with the synchrotron beam, is now available for IR/x-rays pump-probe experiments. Single or custom number of laser pulses is also possible.
