The diffractometer is equipped with a position sensitive detector
covering 80° of 2θ, which can be tilted out of the scattering
plane (flat-cone technique). Three primary collimations and three
wavelengths can be chosen automatically in some minutes
time. Parasitic scattering from cryostat or furnace walls is reduced
by an oscillating radial collimator.
For single crystal studies the multidetector and the sample table can be tilted around an axis perpendicular to the monochromatic beam to investigate upper layers in reciprocal space. For the investigation of elastic and inelastic diffuse scattering distributions, five analyzer crystals and collimators can be mounted in front of the multidetector. The crystals cover 40° 2θ of the sample simultaneously and diffract in vertical planes. Three-dimensional data in reciprocal space can be collected systematically for a given energy transfer.
Further instrument details can be found in this flyer and on the E2 Homepage.
The instrument can be used for both powder and single crystal investigations:
Single Crystal Diffraction
As single crystal diffractometer with high intensity and a low background, the instrument can be used for the study of:
As powder diffractometer with medium resolution and high intensity, the instrument can be used for the study of:
Poster as pdf-file (1.1MB).
The Flat-Cone Diffractometer is a "Verbundforschung"-Project of the University of Tübingen (Institute of Applied Physics) and the Berlin Neutron Scattering Center (BENSC) of the HMI Berlin, financial support by the Federal Ministry of Education and Research (BMBF).
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