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5 Science and Technology
Pages 14-17

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From page 14...
... The NCNR is supporting a powerful program on quantum magnetism that is based on the unique MACS II spectrometer. The focus of this research program is on frustrated two-dimensional quantum magnets, and the primary interest is on exotic states of matter, such as spinons in Kagome antiferromagnets and resonating valence bonds in a triangular lattice.
From page 15...
... The entire neutron group and the condensed matter community benefit from a symbiotic relationship that substantially strengthens both. The experiments done on MACS II and SANS and neutron reflectivity experiments are impressive and deserve continued strong support.
From page 16...
... SOFT CONDENSED MATTER Neutron scattering is a very powerful technique for studying soft matter systems. Because scattering contrast arises from interactions between the scattering neutron and the nucleus, useful scattering intensity can be obtained from common soft materials or biomaterials.
From page 17...
... This may be a result of interactions between the polymer and the interface, making it important to investigate interfacial properties of polymer glasses. Neutron reflectivity measurements by the NCNR group from thin films with one or more deuterated layers provided a direct measure of the roughness of the layer interfaces and of their self-diffusion coefficient and, thus, provide valuable insight into the glassy properties of these films and the effects of the interface.


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