W0161

Small Angle X-Ray Scattering from Oriented Single Particle Systems. B. C. McAlister, B. P. Grady, School of Chemical Engineering and Material Sciences, University of Oklahoma, USA 100 East Boyd, Energy Center Room T335, Norman, Oklahoma 73019 USA

Elastic, small angle x-ray scattering provides morphological information of bulk materials on the colloidal length scale. To take better advantage of this technique, a computer program is being developed which will calculate scattering patterns for materials incorporating oriented, centrosymmetric scattering objects. This allows scattering pattern calculation using only diffraction first principles and a single requirement; that the scattering objects be centrosymmetric. To demonstrate and verify the accuracy of this approach, single particle systems whose scattering patterns are analytically available were simulated and compared to the analytical result. This method of simulating scattering from is useful since the scattering from many single particle morphologies and orientations is not analytically obtainable. Therefore, this simulation technique can currently be used to extract morphological information from oriented, single particle centrosymmetric systems.