Preparation,structural, and calorimetric characterization of bicomponent metallic photonic crystals |
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Authors: | ME Kozlov NS Murthy I Udod II Khayrullin RH Baughman AA Zakhidov |
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Institution: | (1) NanoTech Institute, The University of Texas at Dallas, Richardson, TX 75080, USA;(2) Department of Physics, University of Vermont, Burlington, VT 05405, USA;(3) Teva Pharmaceuticals USA, 8–10 Gloria Lane, Fairfield, NJ 07004, USA;(4) eMagin Corporation, 2070 Route 52 Building 334, Hopewell Junction, NY 12533, USA |
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Abstract: | We report preparation and characterization of novel bicomponent metal-based photonic crystals having submicron three-dimensional
(3D) periodicity. Fabricated photonic crystals include SiO2 sphere lattices infiltrated interstitially with metals, carbon inverse lattices filled with metal or metal alloy spheres,
Sb inverse lattices, and Sb inverse lattices filled with Bi spheres. Starting from a face centered SiO2 lattice template, these materials were obtained by sequences of either templating and template extraction or templating,
template extraction, and retemplating. Surprising high fidelity was obtained for all templating and template extraction steps.
Scanning electron microscopy (SEM), small angle X-ray scattering (SAXS) and differential scanning calorimetry (DSC) were used
to characterize the structure and the effects of the structure on calorimetric properties. To the best of our knowledge, SAXS
data on metallic photonic crystals were collected for first time.
PACS 42.70.Qs; 68.37.Hk; 61.10.Eq; 81.70.Pg |
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