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Progress in ferroelectric domain engineering at the micro/nanoscale

Progress in ferroelectric domain engineering at the micro/nanoscale
Progress in ferroelectric domain engineering at the micro/nanoscale
Ferroelectric materials such as lithium niobate (LN) or lithium tantalate (LT) are examples of an extremely versatile class of optical crystals. In bulk single crystal, single domain format, these crystalline hosts find numerous applications in nonlinear optics, optical storage, photorefraction, surface acoustic wave devices, optical waveguides, piezoelectric and pyroelectric devices and electro-optic modulation. Single domain crystals can be subsequently engineered via spatially selective poling to yield domain structures whose size can lie in the region of a few tens of µm to sub-µm, for applications and device fabrication that are impossible to implement in single domain geometry.

This paper discusses our progress to date in micro- and nanostructuring of such materials, for applications in nonlinear optics, switching and deflection, and 3-dimensional sculpting for possible MEMS use, The techniques and benefits are discussed of using both light-assisted and direct optical poling for achieving controllable domains that can be irregular or periodic, bulk or surface, at sizes that approach the 100 nm scale. For surface inversion, domain features can be produced that lack the otherwise characteristic crystal symmetry imposed hexagonal shapes observed in conventional electric field poling.

93-108
Eason, Robert
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Mailis, Sakellaris
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Sones, Collin
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Boyland, Alexander
e6e842e6-0fe6-4de2-a9b8-ca44f30ab4d5
Muir, Alistair
15a6eb94-0cc5-4cbd-a298-715ae981fe86
Sono, Tleyane
06258e0e-3de8-4480-a3ff-ca5cc218f0db
Scott, J.G.
07d78950-7f73-4518-a835-b5aa19c29557
Valdivia, Christopher E.
60f58c07-eaca-45c7-bb65-60aecf1835c4
Wellington, Iain
cb4650a6-28af-4553-884d-b05fc4508969
Eason, Robert
e38684c3-d18c-41b9-a4aa-def67283b020
Mailis, Sakellaris
233e0768-3f8d-430e-8fdf-92e6f4f6a0c4
Sones, Collin
9de9d8ee-d394-46a5-80b7-e341c0eed0a8
Boyland, Alexander
e6e842e6-0fe6-4de2-a9b8-ca44f30ab4d5
Muir, Alistair
15a6eb94-0cc5-4cbd-a298-715ae981fe86
Sono, Tleyane
06258e0e-3de8-4480-a3ff-ca5cc218f0db
Scott, J.G.
07d78950-7f73-4518-a835-b5aa19c29557
Valdivia, Christopher E.
60f58c07-eaca-45c7-bb65-60aecf1835c4
Wellington, Iain
cb4650a6-28af-4553-884d-b05fc4508969

Eason, Robert, Mailis, Sakellaris, Sones, Collin, Boyland, Alexander, Muir, Alistair, Sono, Tleyane, Scott, J.G., Valdivia, Christopher E. and Wellington, Iain (2005) Progress in ferroelectric domain engineering at the micro/nanoscale. Journal of the American Ceramic Society: Electroceramic Materials & Applications, 196, 93-108.

Record type: Article

Abstract

Ferroelectric materials such as lithium niobate (LN) or lithium tantalate (LT) are examples of an extremely versatile class of optical crystals. In bulk single crystal, single domain format, these crystalline hosts find numerous applications in nonlinear optics, optical storage, photorefraction, surface acoustic wave devices, optical waveguides, piezoelectric and pyroelectric devices and electro-optic modulation. Single domain crystals can be subsequently engineered via spatially selective poling to yield domain structures whose size can lie in the region of a few tens of µm to sub-µm, for applications and device fabrication that are impossible to implement in single domain geometry.

This paper discusses our progress to date in micro- and nanostructuring of such materials, for applications in nonlinear optics, switching and deflection, and 3-dimensional sculpting for possible MEMS use, The techniques and benefits are discussed of using both light-assisted and direct optical poling for achieving controllable domains that can be irregular or periodic, bulk or surface, at sizes that approach the 100 nm scale. For surface inversion, domain features can be produced that lack the otherwise characteristic crystal symmetry imposed hexagonal shapes observed in conventional electric field poling.

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Published date: 2005

Identifiers

Local EPrints ID: 414576
URI: https://eprints.soton.ac.uk/id/eprint/414576
PURE UUID: 9e5f68bd-bc0a-42ea-8060-afca4efa4557
ORCID for Robert Eason: ORCID iD orcid.org/0000-0001-9704-2204
ORCID for Sakellaris Mailis: ORCID iD orcid.org/0000-0001-8100-2670

Catalogue record

Date deposited: 04 Oct 2017 16:30
Last modified: 14 Mar 2019 01:55

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Contributors

Author: Robert Eason ORCID iD
Author: Collin Sones
Author: Alexander Boyland
Author: Alistair Muir
Author: Tleyane Sono
Author: J.G. Scott
Author: Christopher E. Valdivia
Author: Iain Wellington

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