Photoreduction of metal nanostructures on periodically proton exchanged MgO-doped lithium niobate crystals

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Title: Photoreduction of metal nanostructures on periodically proton exchanged MgO-doped lithium niobate crystals
Authors: Balobaid, Laila
Craig Carville, N.
Manzo, Michele
Collins, Liam
Gallo, Katia
Rodriguez, Brian J.
Permanent link: http://hdl.handle.net/10197/5081
Date: 30-Oct-2013
Abstract: Local reactivity on periodically proton exchanged lithium niobate (PPE:LN) surfaces is a promising route for the fabrication of regularly spaced nanostructures. Here, using MgO-doped PPE:LN templates, we investigate the influence of the doping on the nanostructure formation as a function of the proton exchange (PE) depth. The deposition is found to occur preferentially along the boundary between MgO-doped LN and the PE region when the PE depth is at least 1.73 μm, however, for shallower depths, deposition occurs across the entire PE region. The results are found to be consistent with an increased photoconductivity of the MgO-doped LN.
Funding Details: Science Foundation Ireland
Type of material: Journal Article
Publisher: AIP
Journal: Applied Physics Letters
Volume: 103
Issue: 18
Start page: 182904
Copyright (published version): 2013 AIP Publishing LLC
Keywords: FerroelectricProton exchangePhotoreductionPhotoconductivity
DOI: 10.1063/1.4827541
Language: en
Status of Item: Peer reviewed
Appears in Collections:Physics Research Collection

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