Precision nanoscale domain engineering of lithium niobate via UV laser induced inhibition of poling
Precision nanoscale domain engineering of lithium niobate via UV laser induced inhibition of poling
Continuous wave ultraviolet (UV) laser irradiation at lambda=244 nm on the +z face of undoped and MgO doped congruent lithium niobate single crystals has been observed to inhibit ferroelectric domain inversion. The inhibition occurs directly beneath the illuminated regions, in a depth greater than 100 nm during subsequent electric field poling of the crystal. Domain inhibition was confirmed by both differential domain etching and piezoresponse force microscopy. This effect allows the formation of arbitrarily shaped domains in lithium niobate and forms the basis of a high spatial resolution micro-structuring approach when followed by chemical etching.
072905-[3pp]
Sones, C.L.
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Muir, A.C.
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Ying, Y.J.
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Mailis, S.
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Eason, R.W.
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Jungk, T.
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Hoffmann, Á.
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Soergel, E.
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20 February 2008
Sones, C.L.
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Muir, A.C.
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Ying, Y.J.
1cc13d62-ee04-4ca3-b0b8-e60a523dc145
Mailis, S.
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Eason, R.W.
e38684c3-d18c-41b9-a4aa-def67283b020
Jungk, T.
a61978ec-f204-4e78-bd3a-434b17a6739d
Hoffmann, Á.
6a28075e-ac06-43da-83a0-4a192bdc8ed6
Soergel, E.
f4d5aad1-9f81-4877-bceb-33ceed99d9d7
Sones, C.L., Muir, A.C., Ying, Y.J., Mailis, S., Eason, R.W., Jungk, T., Hoffmann, Á. and Soergel, E.
(2008)
Precision nanoscale domain engineering of lithium niobate via UV laser induced inhibition of poling.
Applied Physics Letters, 92 (7), .
(doi:10.1063/1.2884185).
Abstract
Continuous wave ultraviolet (UV) laser irradiation at lambda=244 nm on the +z face of undoped and MgO doped congruent lithium niobate single crystals has been observed to inhibit ferroelectric domain inversion. The inhibition occurs directly beneath the illuminated regions, in a depth greater than 100 nm during subsequent electric field poling of the crystal. Domain inhibition was confirmed by both differential domain etching and piezoresponse force microscopy. This effect allows the formation of arbitrarily shaped domains in lithium niobate and forms the basis of a high spatial resolution micro-structuring approach when followed by chemical etching.
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Published date: 20 February 2008
Organisations:
Optoelectronics Research Centre
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Local EPrints ID: 50676
URI: http://eprints.soton.ac.uk/id/eprint/50676
ISSN: 0003-6951
PURE UUID: 18d2cea0-e868-4e99-89d4-ef423561a466
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Date deposited: 13 Mar 2008
Last modified: 16 Mar 2024 02:38
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Author:
C.L. Sones
Author:
A.C. Muir
Author:
Y.J. Ying
Author:
S. Mailis
Author:
R.W. Eason
Author:
T. Jungk
Author:
Á. Hoffmann
Author:
E. Soergel
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