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Title: Radiation-damage-assisted ferroelectric domain structuring in magnesium-doped lithium niobate
Author(s): L. Jentjens Person, K. Peithmann Person, K. Maier Person, H. Steigerwald and T. Jungk
Journal: Appl. Phys. B: Lasers Opt.
Year: 2009
Volume: 95
Issue: 3
Pages: 441-445
Publisher: Springer Berlin / Heidelberg
Affiliation: Universität Bonn Helmholtz-Institut für Strahlen- und Kernphysik Nussallee 14-16 53115 Bonn Germany
DOI: 10.1007/s00340-009-3496-x
ISSN: 0946-2171
File URL: http://www.springerlink.com/content/c624u15604046572/
Abstract: Irradiation of 5% magnesium-doped lithium niobate crystals (LiNbO 3 :Mg) with high-energy, low-mass 3 He ions, which are transmitted through the crystal, changes the domain reversal properties of the material. This enables easier domain engineering compared to non-irradiated material and assists the formation of small-sized periodically poled domains in LiNbO 3 :Mg. Periodic domain structures exhibiting a width of ≈520 nm are obtained in radiation-damaged sections of the crystals. The ferroelectric poling behavior between irradiated and non-treated material is compared.

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