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Gallium Arsenide Infiltration of Nanoporous Multilayers: A Route to High-Dielectric-Contrast One-Dimensional Photonic Crystals

AuthorsSánchez-Sobrado, Olalla ; Thomas, Kevin; Povey, Ian; Pemble, Martun E.; Míguez, Hernán
KeywordsGallium arsenide
gallium arsenNanoporous materials
Photonic crystals
Issue Date21-Jun-2010
CitationSmall 6 (12): 1283–1287 (2010)
AbstractPeriodic multilayers of wide photonic bandgap and high reflectance in the visible and near infrared regions are fabricated. Optical properties show that reflectance intensities close to 90% are reached for stacks of only six layers, as well as gap-to-midgap ratios of 50%. The optical response of the hybrid ensemble can be accurately tuned through the number of infiltration cycles performed. © 2010 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.
Description5 páginas, 5 figuras
Publisher version (URL)http://dx.doi.org/10.1002/smll.200902190
Appears in Collections:(ICMS) Artículos
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