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Exploiting small angle X-ray and neutron scattering (SAXS/SANS) on the samesample volume at the same time provides complementary nanoscale structuralinformation at two different contrast situations. Compared with an independentexperimental approach, the truly combined SAXS/SANS experimental approachensures the exactness of the probed samples particularly for in-situ studies.Here, we introduce an advanced portable SAXS system that is dimensionallysuitable for installation at D22 zone of ILL. The SAXS apparatus is based on aRIGAKU copper/molybdenum switchable microfocus rotating anode X-ray generatorand a DECTRIS detector with a changeable sample-to-detector distance of up to1.6 m in a vacuum chamber. A science case has been presented to demonstrate theuniqueness of the newly established method at ILL. Temporal structuralrearrangements of both, organic stabilizing agents and organically capped goldcolloidal particles during gold nanoparticle growth are simultaneously probed,enabling immediate correlated structural information. The newly establishednano-analytical method at ILL will open the way for real time investigations ofa wide range of innovative nanomaterials and will enable comprehensive in-situstudies on biological systems. A potential development of a fully-automatedSAXS/SANS system with a common control environment and additional sampleenvironments, permitting a continual and efficient operation of the system atthe hands of ILL users, has also been introduced.

A Novel Experimental Approach for Nanostructure Analysis: Simultaneous Small Angle X-ray and Neutron Scattering (SAXS/SANS)