Neutrons from nuclear reactors are used in neutrondiffraction experiments to measure
Chapter 5, Problem 66(choose chapter or problem)
Neutrons from nuclear reactors are used in neutrondiffraction experiments to measure interplanar spacingsof a crystal lattice. The interplanar spacing can bemeasured as an indication of strain in the sample.Neutrons are particularly useful because they are lessdestructive than x rays and are able to penetrate deepinto the sample. Their magnetic moment allows theiruse to study magnetic properties of matter. To study aparticular polycrystalline sample with a planar spacingof 0.156 nm, a detector is mounted at an angle of 26from the incident neutron beam. What energy neutronsfrom the reactor must be used in this experiment?An accelerator-based spallation neutron sourceis in operation at Oak Ridge National Laboratory.
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