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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.
9780470082959
Eason, Robert W.
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Mailis, Sakellaris
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Sones, Collin L.
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Boyland, Alexander J.
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Muir, Alistair C.
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Sono, Tleyane J.
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Scott, Jeffrey G.
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Valdivia, Christopher E.
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Wellington, Iain T.
ce0290b1-ef99-4b05-a728-aa675f05badf
Eason, Robert W.
e38684c3-d18c-41b9-a4aa-def67283b020
Mailis, Sakellaris
233e0768-3f8d-430e-8fdf-92e6f4f6a0c4
Sones, Collin L.
9de9d8ee-d394-46a5-80b7-e341c0eed0a8
Boyland, Alexander J.
e6e842e6-0fe6-4de2-a9b8-ca44f30ab4d5
Muir, Alistair C.
ca4a07b3-4fd4-417f-97cb-52a95ca076e6
Sono, Tleyane J.
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Scott, Jeffrey G.
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Valdivia, Christopher E.
60f58c07-eaca-45c7-bb65-60aecf1835c4
Wellington, Iain T.
ce0290b1-ef99-4b05-a728-aa675f05badf

Eason, Robert W., Mailis, Sakellaris, Sones, Collin L., Boyland, Alexander J., Muir, Alistair C., Sono, Tleyane J., Scott, Jeffrey G., Valdivia, Christopher E. and Wellington, Iain T. (2005) Progress in ferroelectric domain engineering at the micro / nanoscale. 6th Pacific Rim Conference on Ceramic and Glass Technology (PacRim6). 11 - 16 Sep 2005.

Record type: Conference or Workshop Item (Paper)

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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e-pub ahead of print date: 2005
Venue - Dates: 6th Pacific Rim Conference on Ceramic and Glass Technology (PacRim6), 2005-09-11 - 2005-09-16

Identifiers

Local EPrints ID: 42421
URI: https://eprints.soton.ac.uk/id/eprint/42421
ISBN: 9780470082959
PURE UUID: 39edfe8e-344b-4ee2-9dbc-326ca9b022bd
ORCID for Robert W. 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: 16 Feb 2007
Last modified: 14 Mar 2019 01:55

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Contributors

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

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