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A perfect crystal diffractometer (PCD) for ultra-high resolution small-angle neutron scattering (USANS) measurements has been in operation at the thermal neutron beam port, BT-5 since 2002. The PCD increases the maximum size of features accessible with the NCNR's 30-m long, pinhole collimation SANS instruments by nearly two orders of magnitude, from ~102 nm to 104 nm.
Specifications / Capabilities:
How BT5 USANS Beam Time is Typically Allocated in Each 38 Day Cycle:
Name: Markus Bleuel - Instrument Responsible