DARTS Services

DARTS for X-ray Powder Diffraction

X-ray Powder Diffraction is a common laboratory technique. Using the SRS, much more detailed information can be gleaned from samples. Typical applications include phase identification, structure solution, differentiation of polymorphs, stress and strain mapping, analysis of texture, depth profiling of multilayers and time resolved measurement of reactions.

There are several stations on the SRS for powder diffraction, each suitable for different industrial applications.

Station 2.3 is used for high resolution powder diffraction and for reflectivity experiments. It operates in both flat plate and capillary mode and has a number of environmental cells for variable temperature studies.

The uses of Station 9.1 include high resolution powder diffraction for crystal structure analysis, exploitation of anomalous dispersion effects, structural studies of liquids and amorphous solids and studies of materials at high pressure.

One of the newest facilities on the SRS is Station MPW6.2. This station is a multitechnique facility and can be used for powder diffraction, X-ray absorption spectroscopy and small angle X-ray scattering.

Station 16.3 is a high-resolution/high-energy diffraction facility, suitable for a wide range of applications in physics and materials science. Typical experiments include residual strain measurements aluminium and grazing incidence measurements on Co-alloy based films to obtain stacking fault densities.

Station 16.4 is an energy dispersive powder diffraction facility designed for the study of chemical reactions and phase transitions from materials held at high presssures and temperatures. Powder diffraction patterns are collected using a three element detector system which gives an extended d-spacing range in time slices typically between 5 and 60 seconds.

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