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

Laila Balobaid; N. Craig Carville; Michele Manzo; Liam Collins; Katia Gallo; Brian J. Rodriguez

doi:10.1063/1.4827541

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

Laila Balobaid, N. Craig Carville, Michele Manzo, Liam Collins, Katia Gallo, Brian J. Rodriguez

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

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.

Original language	English
Article number	182904
Journal	Applied Physics Letters
Volume	103
Issue number	18
DOIs	https://doi.org/10.1063/1.4827541
State	Published - Oct 28 2013
Externally published	Yes

Funding

This publication has emanated from research conducted with the financial support of the DGPP and NANOREMEDIES, which are funded under the Programme for Research in Third Level Institutions (PRTLI) Cycle 5 and co-funded by the European Regional Development Fund. We also acknowledge support from the Swedish Research Council (VR 622-2010-526 and 621-2011-4040) and UCD Research. The AFM used for this work was funded by Science Foundation Ireland (No. SFI07/IN1/B931).

Funders	Funder number
DGPP
NANOREMEDIES
UCD Research
Science Foundation Ireland	SFI07/IN1/B931
Vetenskapsrådet	621-2011-4040, VR 622-2010-526
European Regional Development Fund

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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.",

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AU - Balobaid, Laila

AU - Craig Carville, N.

AU - Manzo, Michele

AU - Collins, Liam

AU - Gallo, Katia

AU - Rodriguez, Brian J.

PY - 2013/10/28

Y1 - 2013/10/28

N2 - 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.

AB - 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.

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

Abstract

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