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Second-harmonic generation in nano-structured LiTaO3- and LiNbO3-xerogels with randomly oriented ferroelectric grains

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.

Full text not available from this repository.

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.

Document Type:Article
Title:Second-harmonic generation in nano-structured LiTaO3- and LiNbO3-xerogels with randomly oriented ferroelectric grains
Authors:
AuthorsInstitution or Email of Authors
Lisinski, SusanneUNSPECIFIED
Ratke, Lorenzlorenz.ratke@dlr.de
Schaniel, DominikUniversität zu Köln
Jungk, TobiasUniversität Bonn
Soergel, ElisabethUniversität Bonn
Boysen, HansLMU München
Woike, TheoUniversität zu Köln
Date:January 2010
Journal or Publication Title:Optical Materials
Refereed publication:Yes
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: Prof. Lorenz Ratke
Deposited On:19 Jan 2010 09:15
Last Modified:04 Apr 2013 16:20

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