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Neutron Scattering Studies of Dynamics: A New Frontier in Materials Science

Published online by Cambridge University Press:  31 January 2011

Dieter Richter  and
Dan A. Neumann
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Abstract

Knowledge of the dynamic dimension of materials is an extremely important ingredient for understanding their properties. Neutron scattering is uniquely capable of revealing aspects of the atomic and molecular geometry of motions over a wide range of time scales. To illustrate this fact, we give a number of examples from different areas of materials science. We discuss the diffusion of hydrogen in protonic conductors; the hydration of portland cement; and aspects of the molecular rheology of polymers, emphasizing in particular the effect of branching. All of these experiments have added important basic information to the understanding of the respective systems. With the advent of the new megawatt neutron spallation sources, the role of neutron scattering in revealing the dynamical properties of materials is expected to increase substantially.

Keywords

amorphous materialscementdiffusiondynamicshydrogenionic materialskinetic propertiesneutron scatteringpolymersrheology
Type
Research Article
Information
MRS Bulletin , Volume 28 , Issue 12: New Frontiers in the Application of Neutron Scattering to Materials Research , December 2003 , pp. 913 - 917
Copyright
Copyright © Materials Research Society 2003

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