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%0 Journal Article %T Smectic liquid-crystalline order in suspensions of highly polydisperse goethite nanorods %V 18 %N 19 %P 2565–2568 %X Optical Bragg reflections and small-angle X-ray scattering (see figure) reveal that dispersions of Goethite (FeOOH) nanorods spontaneously form layered (smectic A) structures, although their 55% length polydispersity exceeds the theoretical limit by a factor of three. Here, sedimentation and size partitioning contribute to a very rich phase behavior including nematic and columnar phases. This suggests the application of the self-organizing tendencies of such mineral liquid crystals to obtain materials with very diverse nanostructures. %J Advanced Materials %A Vroege, G.J. %A Thies-Weesie, D.M.E. %A Petukhov, A.V. %A Lemaire, B.J. %A Davidson, P. %D 2006