UV laser-induced ferroelectric domain structures investigated by piezoresponse force microscopy
Jungk, T., Hoffmann, A., Soergel, E., Mailis, S., Muir, A.C., Wellington, I.T., Valdivia, C.E., Sones, C.L. and Eason, R.W. (2007) UV laser-induced ferroelectric domain structures investigated by piezoresponse force microscopy. In, Conference on Lasers and Electro-Optics (CLEO)-Europe/International Quantum Electronics Conference (IQEC), Munich, Germany, 17 - 22 Jun 2007. 1pp.
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Description/Abstract
Ferroelectric domains have been generated on the +z and the -z faces of congruent undoped lithium niobate (LiNbO3) single crystals by direct UV writing using a continuous wave (c.w.) frequency doubled argon ion laser (lambda = 244 nm). The width of the domains was observed to depend on the intensity of the laser beam. Interestingly, also the contrast of the domains seen by piezoresponse force microscopy (PFM) [1] was observed to increase with higher laser intensity. The contrast difference could be attributed to a difference of the depth of these surface domains as the depth sensitivity of the PFM is ~1 μm for LiNbO3.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Additional Information: | CE7-4-Thu |
| Related URLs: | |
| Subjects: | Q Science > QC Physics T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | University Structure - Pre August 2011 > Optoelectronics Research Centre |
| Item ID: | 47813 |
| Date Deposited: | 13 Aug 2007 |
| Last Modified: | 23 Aug 2012 09:28 |
| Contributors: | Jungk, T. (Author) Hoffmann, A. (Author) Soergel, E. (Author) Mailis, S. (Author) Muir, A.C. (Author) Wellington, I.T. (Author) Valdivia, C.E. (Author) Sones, C.L. (Author) Eason, R.W. (Author) |
| Date: | June 2007 |
| Additional Information: | CE7-4-Thu |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/47813 |
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