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The 30 meter long Small-Angle Neutron Scattering (SANS) instrument on neutron guide NG7 was the first new instrument to go into operation in the NCNR guide hall in May 1991. Jointly developed and sponsored by the NCNR, the ExxonMobil Research and Engineering Co., and the University of Minnesota, the instrument has undergone a number of improvements over the years to remain, along with its near-twin on guide NGB, the best such instruments in the U.S. The improvements, including a higher resolution 2D detector and focusing refractive lenses, have extended the Q-range of the instrument which now goes from 0.008 nm-1 to 7.0 nm-1 to enable structural features in materials ranging from roughly 1 nm to over 500 nm to be probed.
Specifications / Capabilities:
How NG7 SANS Beam Time is Typically Allocated in Each 38 Day Cycle:
Name: Jeff Krzywon - Instrument Responsible