Pramana

, Volume 71, Issue 4, pp 705–711 | Cite as

Corelli: Efficient single crystal diffraction with elastic discrimination

Article

Abstract

Single crystal diffuse scattering provides one of the most powerful probes of short-range correlations on the 1–100 nm scale, which often are responsible for the extreme field response of many emerging phenomena of great interest. Accurate modeling of such complex disorder from diffuse scattering data however puts stringent experimental demands, requiring measurements over large volumes of reciprocal space with sufficient momentum and energy resolution. Here, we discuss the potential of the cross-correlation technique for efficient measurement of single crystal diffuse scattering with energy discrimination, as will be implemented in a novel instrument, Corelli. Utilizing full experiment simulations, we show that this technique readily leads up to a fifty-fold gain in efficiency, as compared to traditional methods, for measuring single crystal diffuse scattering over volumes of reciprocal space with elastic discrimination.

Keywords

Neutron diffraction diffuse scattering elastic discrimination 

PACS Nos

61.05.F 61.50.-f 61.43.-j 61.44.n 

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Copyright information

© Indian Academy of Sciences 2008

Authors and Affiliations

  1. 1.Materials Science DivisionArgonne National LaboratoryArgonneUSA

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