X-ray diffraction of photonic colloidal single crystals

Willem L. Vos*, Mischa Megens, Carlos M. Van Kats, Peter Bösecke

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

132 Citations (Scopus)


We have resolved a great number of Bragg peaks of photonic colloidal single crystals by synchrotron small angle X-ray scattering (SAXS). We find that charge-stabilized colloids form face-centered cubic crystals at all densities up to ̃60 vol %. The colloidal particles are highly ordered on their lattice sites, which confirms that these self-organizing materials are suitable building blocks for optical photonic matter. The experiments demonstrate that synchrotron SAXS with two-dimensional detection is a powerful tool to study systems with length scales comparable to optical wavelengths.

Original languageEnglish
Pages (from-to)6004-6008
Number of pages5
Issue number23
Publication statusPublished - 12 Nov 1997
Externally publishedYes


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