Materials Small-angle X-ray Scattering (SAXS)

Experimental Station 1-5

Beam line 1-5 is a bend magnet end station with a programmatic split between small angle x-ray scattering (SAXS), wide angle x-ray scattering (WAXS), as well as simultaneous SAXS/WAXS.  BL1-5 is equipped with two area detectors: Rayonix 165 CCD (SAXS) and Dectris Pilatus 100K (WAXS).  The beamline is available in two standard configurations: 1- and 3-meter sample to SAXS detector distances.  The WAXS detector is capable of reaching a minimum q value of 1.2 Å-1 for either of the configurations.  The beam line accomodat

Nanoparticles: Strained and Stiff

July 29, 2004

Extremely small pieces of a material aren't always a chip off a bigger block. How nanomaterials behave is tremendously important to know when trying to understand the roles of mineral nanoparticles in the environment, or design devices for nanotechnology. Researchers taking data at SSRL and the Advanced Photon Source (APS) in Illinois recently found that zinc sulfide at 3.5 nanometers (nm) in size (3.5 billionths of a meter) behaves quite differently than "bulk" zinc sulfide (several hundred nm and up). The method they developed should also prove useful for studying other kinds of nanomaterials.

Tailoring Plastics at the Molecular Level for Cost and Environmental Benefits in Industrial Processing

February 28, 2003

Much of our manufactured environment - many metals, plastics, glasses, ceramics, fiberglass and papers - consists of extrusion-molded products. To minimize waste, extrusion-molding plants must balance quality of product, speed of process and cost of production (primarily electricity) for each particular material. They need to know how fast each material can be processed at what energy cost while maintaining the quality of the finished bulk material. Fundamental changes in the macromolecular arrangement of materials occur at critical deformation rates.

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