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Lisinski, Susanne and Ratke, Lorenz and Schaniel, Dominik and Jungk, Tobias and Soergel, Elisabeth and Boysen, Hans and Woike, Theo (2010) Second-harmonic generation in nano-structured LiTaO3- and LiNbO3-xerogels with randomly oriented ferroelectric grains. Optical Materials, 32, pp. 504-509. Elsevier. doi: 10.1016/j.optmat.2009.11.003.
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Official URL: http://www.elsevier.com/locate/optmat
Abstract
Second-harmonic generation (SHG) in polycrystalline and porous LiTaO3- and LiNbO3-xerogels is reported. The ferroelectric xerogels are synthesized via the sol–gel method and sintered at different temperatures of 700°C, 900°C, 1100°C and 1150°C, respectively for 48 h. The nano-structured materials (grain size of 250–1760 nm) are characterized by scanning electron microscopy, thermogravimetry, Xray diffraction and piezoresponse force microscopy. The ferroelectricity of the grains is determined with piezoresponse force microscopy measurements. While the SHG efficiency grows with increasing grain size, the SHG output energy increases with a higher grade of stoichiometry and increases quadratically. as a function of the input energy.
| Item URL in elib: | https://elib.dlr.de/62722/ | ||||||||||||||||||||||||||||||||
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| Document Type: | Article | ||||||||||||||||||||||||||||||||
| Title: | Second-harmonic generation in nano-structured LiTaO3- and LiNbO3-xerogels with randomly oriented ferroelectric grains | ||||||||||||||||||||||||||||||||
| Authors: |
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| Date: | January 2010 | ||||||||||||||||||||||||||||||||
| Journal or Publication Title: | Optical Materials | ||||||||||||||||||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||||||||||||||||||
| Open Access: | No | ||||||||||||||||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||||||||||||||||
| In SCOPUS: | Yes | ||||||||||||||||||||||||||||||||
| In ISI Web of Science: | Yes | ||||||||||||||||||||||||||||||||
| Volume: | 32 | ||||||||||||||||||||||||||||||||
| DOI: | 10.1016/j.optmat.2009.11.003 | ||||||||||||||||||||||||||||||||
| Page Range: | pp. 504-509 | ||||||||||||||||||||||||||||||||
| Publisher: | Elsevier | ||||||||||||||||||||||||||||||||
| Status: | Published | ||||||||||||||||||||||||||||||||
| Keywords: | Second-harmonic generation, Sol–gel method, Xerogel Sintering, Disordered material, Grain size | ||||||||||||||||||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport (old) | ||||||||||||||||||||||||||||||||
| HGF - Program: | Space (old) | ||||||||||||||||||||||||||||||||
| HGF - Program Themes: | W FR - Forschung unter Weltraumbedingungen (old) | ||||||||||||||||||||||||||||||||
| DLR - Research area: | Space | ||||||||||||||||||||||||||||||||
| DLR - Program: | W FR - Forschung unter Weltraumbedingungen | ||||||||||||||||||||||||||||||||
| DLR - Research theme (Project): | W - Vorhaben Materialwissenschaftliche Forschung (old) | ||||||||||||||||||||||||||||||||
| Location: | Köln-Porz | ||||||||||||||||||||||||||||||||
| Institutes and Institutions: | Institute of Materials Physics in Space | ||||||||||||||||||||||||||||||||
| Deposited By: | Ratke, Prof. Lorenz | ||||||||||||||||||||||||||||||||
| Deposited On: | 19 Jan 2010 09:15 | ||||||||||||||||||||||||||||||||
| Last Modified: | 06 Sep 2019 15:20 |
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