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Updated: May 22, 2026
Atomically Defined Templates for Epitaxial Growth of Complex Oxide Thin Films
Published on: December 4, 2014
Hard templating of nanocrystalline titanium dioxide with chiral nematic ordering
Kevin E Shopsowitz1, Alexander Stahl, Wadood Y Hamad
1Department of Chemistry, University of British Columbia, Vancouver, Canada.
Abstract:
Anatase TiO(2) nanocrystals have been organized into high-surface-area (150-230 m(2) g(-1)) mesoporous films with long-range chiral nematic ordering. The chiral structure of the anatase films causes them to selectively reflect circularly polarized light and appear iridescent. These materials show replication of structural features found in the silica template on nanometer to millimeter length scales.
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