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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
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.
0003-6951
072905-[3pp]
Sones, C.L.
9de9d8ee-d394-46a5-80b7-e341c0eed0a8
Muir, A.C.
a203d28e-5947-4743-ade9-8a2e0e6f3419
Ying, Y.J.
2c3970f7-93df-4812-b01f-6fe6aed82e92
Mailis, S.
233e0768-3f8d-430e-8fdf-92e6f4f6a0c4
Eason, R.W.
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Jungk, T.
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Hoffmann, Á.
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Soergel, E.
f4d5aad1-9f81-4877-bceb-33ceed99d9d7
Sones, C.L.
9de9d8ee-d394-46a5-80b7-e341c0eed0a8
Muir, A.C.
a203d28e-5947-4743-ade9-8a2e0e6f3419
Ying, Y.J.
2c3970f7-93df-4812-b01f-6fe6aed82e92
Mailis, S.
233e0768-3f8d-430e-8fdf-92e6f4f6a0c4
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), 072905-[3pp]. (doi:10.1063/1.2884185).

Record type: Article

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

Identifiers

Local EPrints ID: 50676
URI: https://eprints.soton.ac.uk/id/eprint/50676
ISSN: 0003-6951
PURE UUID: 18d2cea0-e868-4e99-89d4-ef423561a466
ORCID for S. Mailis: ORCID iD orcid.org/0000-0001-8100-2670
ORCID for R.W. Eason: ORCID iD orcid.org/0000-0001-9704-2204

Catalogue record

Date deposited: 13 Mar 2008
Last modified: 20 Jul 2019 01:25

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