Small Angle X-ray Scattering (SAXS) is a technique particularly suited for the structural investigation of partially ordered materials, usually applied to condensed matter systems. SAXS provides information about larger scale bulk microstructure within a sample, usually in the size range from approximately ~1nm up to around 300nm.
The high intensity X-rays available at a synchrotron provide two chief benefits over lab-based instruments.
SAXS can be applied to systems that are either difficult or impossible to crystallise, may be complex or composite systems or materials with large scale self-organisation. Due to the wide range of sample types, SAXS has been employed in a wide range of applications from drug delivery systems and protein solution shape analysis through to formulations, phase behaviour, catalysis, advanced materials development and engineering.
USAXS is a subset of SAXS and a member of the larger X-ray scattering techniques family. USAXS means Ultra-Small Angle X-ray Sacttering where by the smaller the angle recorded, more information about the larger structure can be determined.
Diamond Light Source is the UK's national synchrotron science facility, located at the Harwell Science and Innovation Campus in Oxfordshire.
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