Photothermal compression of colloidal crystals

  • Paul A. Rundquist, S. Jagannathan, FL Kesavamoorthy, Charies Brnardic, S. Xu, Sanford A. Asherb
  • Published 1999

Abstract

Dyed sulfonated polystyrene spheres (83 nm diameter) self-assemble into regular crystalline arrays that Bragg diffract visible light. Absorption of high intensity radiation ( > 25 W/cm2) by the dye results in a local compression of the crystalline array due to local heating. The Kossel.ring pattern is used to probe the variation in the lattice parameter and… (More)

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