Academic literature on the topic 'Titanate coupling'

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Journal articles on the topic "Titanate coupling"

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Elshereksi, Nidal W., Mariyam J. Ghazali, Andanastuti Muchtar, and Che H. Azhari. "Aspects of Titanate Coupling Agents and their Application in Dental Polymer Composites: A Review." Advanced Materials Research 1134 (December 2015): 96–102. http://dx.doi.org/10.4028/www.scientific.net/amr.1134.96.

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Silanes are extensively used in dental composites to facilitate chemical bonding among the phases of composites. Despite their popularity, the dental application of silanes as coupling agents is still restricted by a few limitations, which include their hydrolytic instability in aqueous oral environment and their inefficiency to bond with nonsilica fillers. Titanate coupling agents can provide good interphase bonding, improve mechanical properties, enhance filler homogenous dispersibility, and modify the rheological behavior of composites. Moreover, moisture resistance can be improved by addin
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Kairytė, Agnė, Saulius Vaitkus, and Sigitas Vėjelis. "Titanate-Based Surface Modification of Paper Waste Particles and its Impact on Rigid Polyurethane Foam Properties." Key Engineering Materials 721 (December 2016): 58–62. http://dx.doi.org/10.4028/www.scientific.net/kem.721.58.

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Producing particulate filled polymer composites, even dispersion and sufficient adhesion between filler and polymer matrix is of great importance. In order to solve these issues, methodologies, such as ultrasonic dispersing and coupling agents, are proposed. The impact of particle surface modification with three different titanate coupling agents having the tradenames of TCA L44, TCA L38 and TCA K44 on paper waste sludge particles surface, polyurethane foam composite density, compressive and tensile strengths as well as water absorption and water vapour permeability is evaluated. Apparently, t
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Wang, Ze Hong, Jing Hua Chen, Wan Zhong Yin, and Yue Xin Han. "Study on the Surface Modification of Nanometer Calcium Carbonate." Advanced Materials Research 92 (January 2010): 229–34. http://dx.doi.org/10.4028/www.scientific.net/amr.92.229.

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Titanate coupling agents KR-TTS is used to modify nanometer calcium carbonate and the modified powder is characterized. The modification mechanisms of nanometer calcium carbonate is also investigated in this paper. Experiment results show that the optimum conditions of dry modification method as follows: the dosage of KR-TTS titanate coupling agents is 2%, mass ratio of KR-TTS titanate coupling agents to liquid organic solvent is 1:1, modification temperature is 70°C, modification time is 20 minutes, stirring rate is 650rpm. Under the optimum conditions, activity index of modified nanometer ca
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Zhang, Xiao Hui, Qi Guang Cao, Lin Hu, and Jian Yu Cui. "Preparation and Modification of Nano- TiO2 Pigment for Coating." Advanced Materials Research 146-147 (October 2010): 1675–80. http://dx.doi.org/10.4028/www.scientific.net/amr.146-147.1675.

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Nanoscale titanium dioxide powder were prepared in terms of sol-gel process with Ti(OC4H9) as raw material. TEM analysis show that the size of nanoparticle are between 50~ 100nm.The results of XRD test indicate that the crystal style of the product is rutile type. In order to apply nanoscale titanium dioxide to coating as pigment, the nanoscale particles were modified in terms of esterifying reaction,silane coupling agent and organic titanate coupling agent. The results of contact angle test show that the oleophilic of modified product with organic titanate coupling agent is stronger than that
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Chen, Gui Hua, and Dan Dan Wang. "Mechanical Properties of Rice Straw Particle/HDPE Composites." Applied Mechanics and Materials 457-458 (October 2013): 227–30. http://dx.doi.org/10.4028/www.scientific.net/amm.457-458.227.

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The rice-straw particle /HDPE composites were made by compression molding process. Effects of the content of the rice-straw particle, the dosage of the titanate coupling agent and the time of hot-press were analyzed. Mechanical properties of the composites were tested, such as MOR, MOE by universal material testing machine. The result showed that rice-straw particle /HDPE composites have relatively good mechanical properties. The effect of the content of the rice-straw particle on the MOR and MOE of rice-straw particle /HDPE composites are very significant.The mechanical properties of the comp
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Monte, Salvatore J., and G. Sugerman. "Titanate Coupling Agents-1985 Urethane Applications." Journal of Cellular Plastics 21, no. 6 (1985): 385–98. http://dx.doi.org/10.1177/0021955x8502100603.

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Lane, G. S., Z. Kalenik, and E. E. Wolf. "Methane oxidative coupling over titanate catalysts." Applied Catalysis 53, no. 2-3 (1989): 183–95. http://dx.doi.org/10.1016/s0166-9834(00)80020-2.

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Jiao, Li Yong, Yu Bin Zheng, Ya Jun Liu, Xiao Min Ji, and Lin Lin Li. "Surface Modification of the Light-Storing Pigment by Titanate Coupling Agent and its Application on Print Ink." Applied Mechanics and Materials 200 (October 2012): 708–11. http://dx.doi.org/10.4028/www.scientific.net/amm.200.708.

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A titanate coupling agent, TM-27, was used in surface modification of light-storing pigment to improve its compatibility and stability with the organic system. The surface characteristics of light-storing pigments were reflected by Fourier transform infrared spectroscopy (FT-IR) and scanning electron micrograph (SEM). The result showed that the titanate coupling agent molecular formed a thin layer and binded strongly on the surface of pigments. The modification effect was evaluated on the basis of turbidity and by plotting the afterglow decay curve. The application of light-storing pigment in
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Sabri, Ban Ali, Meenaloshini Satgunam, A. Manap, Constance L. Gnanasagaran, and Karthikeyan Ramachandran. "Physical and Chemical Investigation of TiO2 Nanotubes Treated with Isopropyl Triisostearoyl Titanate (KR-TTS)." Journal of Nanomaterials 2023 (April 28, 2023): 1–7. http://dx.doi.org/10.1155/2023/7961857.

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The aim of this study is to investigate the effect of isopropyl triisostearoyl titanate (KR-TTS) as a titanate coupling agent (TCA) on surface modification of TiO2 nanotube (TNT) material. From the physical and chemical studies that have been performed on the modified TiO2 nanotube, scanning electron microscope micrographs, energy-dispersive X-ray and viscosity indicated that there was significant reduction in particle aggregation of the modified TiO2 Nanotube. FTIR spectroscopy confirmed that the functional group of the TCA reacted with the hydroxyl groups present on the surface of TiO2 nanot
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Yu, Shou Wu, Shu Juan Xiao, Xiao Ming Sang, and Gui Xiang Hou. "Surface Modification of Nano-TiO2 by Titanate Coupling Agent." Advanced Materials Research 538-541 (June 2012): 350–53. http://dx.doi.org/10.4028/www.scientific.net/amr.538-541.350.

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The surface of commercial TiO2 nanoparticles was modified by titanate coupling agent, JSC(isopropyl tricarboxytate titanate), FTIR spectrum confirmed that organic functional groups were successfully grafted onto the surface of TiO2 nanoparticles. The SEM micrographs indicated that the aggregation of modified TiO2 was reduced and most of the particles were approximately 20 nm.
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Dissertations / Theses on the topic "Titanate coupling"

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Yilmaz, Gokhun. "Effects Of Titanate Coupling Agents On Low Density Polyethylene And Polypropylene Blends And Composites." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12610135/index.pdf.

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The objective of this study is to investigate the effects of titanate coupling agents on low density polyethylene (LDPE) and polypropylene (PP) blends and composites in terms of their mechanical and morphological properties. PP and LDPE composites were produced separately in a Brabender internal mixer, and CaCO3 was used as inorganic filler with compositions of 20, 40 and 60 %. PP/LDPE blends were produced in a twin-screw extruder with ratios of 75/25, 50/50 and 25/75. Their composites were prepared with addition of untreated and titanate-treated CaCO3 at 20% filler content. Titanate couplin
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Garza, Ezra. "Pulsed Laser Deposition of Thin Film Heterostructures." ScholarWorks@UNO, 2011. http://scholarworks.uno.edu/td/459.

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Thin films of Strontium Ruthenate have been grown on Strontium Titanate and Lanthanum Aluminate (100) substrates by pulsed laser deposition. X-ray diffraction results show that the films grown on the Strontium Titanate are amorphous and polycrystalline on the Lanthanum Aluminate. Resistances versus temperature measurements show that the films exhibit semiconducting characteristics. In addition to the growth of Strontium Ruthenate thin films, multilayer heterostructures of Terfenol-D thin films on polycrystalline Lead Titanate thin films were grown by pulsed laser deposition. By using a novel e
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Aghavnian, Thomas. "Couplages magnéto-électriques dans le système multiferroïque artificiel : BaTiO₃ / CoFe₂O₄." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLS310/document.

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Les matériaux magnetoélectriques multiferroïques sont particulièrement attrayants dans le domaine de l’électronique de spin, notamment dans la perspective de contrôler l’aimantation d’un matériau à partir d’un champ électrique. Les multiferroïques dits artificiels, constitués de phases ferroélectriques et magnétiques séparées, permettent de contourner la rareté de matériaux multiferroïques intrinsèques. S’ils peuvent présenter des valeurs de couplage plus élevées les mécanismes en jeu sont encore mal compris. Leur compréhension requiert l’étude d’échantillons parfaitement cristallisés et maitr
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Lajili, Montassar. "Méthodologies de conception préliminaire de machines-outils : application à l'usinage des pièces aéronautiques en titane." Thesis, Université Clermont Auvergne‎ (2017-2020), 2019. http://www.theses.fr/2019CLFAC001/document.

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Les exigences de productivité et de qualité dans l’industrie aéronautique imposent d’avoir des machines-outils optimisées en termes de précision, de cinématique et de dynamique. L’objectif des travaux de recherche menés est de proposer de nouvelles méthodologies de conception de machines-outils à haute rigidité pour l’usinage des pièces aéronautique en titane. Dans un premiers temps, la problématique du choix de la configuration structurale la plus adéquate au procédé d’usinage envisagé est traitée en proposant une méthode de synthèse et de sélection basée sur des critères qualitatifs. L’analy
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Harzallah, Mahmoud. "Caractérisation in-situ et modélisation des mécanismes et couplages thermomécaniques en usinage : application à l’alliage de titane Ti-6Al-4V." Thesis, Ecole nationale des Mines d'Albi-Carmaux, 2018. http://www.theses.fr/2018EMAC0002/document.

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Ce travail s'inscrit dans une stratégie d'investigation expérimentale et numérique des mécanismes d'enlèvement de la matière lors de l'usinage de l'alliage de titane Ti-6Al-4V. Il aborde un problème complexe, fortement couplé, faisant intervenir la thermique et la mécanique aux petites échelles (micrométrique). Le manque de moyens de mesure dédié à ces échelles de temps et de l'espace (phénomènes rapides et très locaux) ne permet pas, à ce jour, d'appréhender précisément les phénomènes thermomécaniques mis en jeu pendant la formation de copeau. De ce fait, un dispositif spécifique, appelé VISI
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Lachiguer, Amani. "Effet de la diffusion de l'hydrogène sur le comportement thermomécanique des alliages à mémoire de forme (AMF) à base nickel-titane : caractérisation, modélisation et simulation numérique." Thesis, Université de Lorraine, 2017. http://www.theses.fr/2017LORR0384/document.

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Une dégradation des propriétés mécaniques des arcs surperélastiques en alliages à mémoire de forme à base NiTi, utilisés dans les traitements orthodontiques, a été observée après absorption d'hydrogène. L’effet de l’hydrogène a été étudié, dans un premier temps, sur le comportement global des arcs à l’aide des essais de traction et dans un deuxième temps, sur le comportement local à l’aide des essais de nanoindentation. Pour modéliser le comportement des AMFs après absorption d'hydrogène, une première approche a été proposée, en introduisant la dépendance des paramètres de la transformation ma
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Hu, Di. "Photocatalytic methane conversion into chemicals and fuels under mild conditions." Electronic Thesis or Diss., Université de Lille (2022-....), 2022. http://www.theses.fr/2022ULILR034.

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Un processus photo-chemo-catalytique en cascade à un pot pour l'oxydation du méthane en acide formique a été proposé. Un photocatalyseur spécialement conçu et un catalyseur hétérogène commercial ont été utilisés ensemble dans le processus en cascade. La conversion sélective du méthane en acide formique s'effectue d'abord sur le sel de césium de l'acide phosphotungstique (CsPW) supporté par l'oxyde de titane, qui oxyde le méthane par photocatalyse sous irradiation en un mélange de composés oxygénés liquides C1. Les composés oxygénés liquides C1 produits par photocatalyse sont ensuite convertis
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Mondalek, Pamela. "Modélisation numérique du procédé de frittage flash." Phd thesis, Ecole Nationale Supérieure des Mines de Paris, 2012. http://pastel.archives-ouvertes.fr/pastel-00820191.

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Le SPS (Spark plasma sintering) ou frittage flash est une technique innovante de compaction de poudre. Ce procédé fait intervenir le courant électrique pour chauffer l'échantillon en appliquant simultanément une pression. Grâce à la vitesse de chauffage, le procédé SPS apparaît comme étant une technologie prometteuse dans le secteur aéronautique servant à produire des matériaux denses à microstructure fine, composés par des intermétalliques difficiles à fondre, à former et à usiner avec les procédés conventionnels. Cependant, la fabrication de formes complexes est problématique à cause des hét
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Jha, Rajiv Kishore. "Synthesis of Titanate coupling agents and their applications in mica-filled Polypropylene." Thesis, 1988. http://localhost:8080/iit/handle/2074/3487.

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Shun, Chen Fei, and 陳飛順. "The Properties of Polymer-Silver Composite and The Effects of Titanate-Coupling Agent." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/03405345831651611884.

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Books on the topic "Titanate coupling"

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Shing, Dickson Lum Tat. The effect of titanate coupling agents on the rheological properties of a ceramic injection molding formulation. National Library of Canada, 1993.

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Book chapters on the topic "Titanate coupling"

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Monte, Salvatore J. "Titanate Coupling Agents." In Functional Fillers for Plastics. Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527605096.ch5.

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Monte, Salvatore J. "Titanate Coupling Agents." In Functional Fillers for Plastics. Wiley-VCH Verlag GmbH & Co. KGaA, 2010. http://dx.doi.org/10.1002/9783527629848.ch5.

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Zhang, Dong Mei, Hai Li Yang, Shou Wu Yu, and Xiao Ming Sang. "XPS Investigation on Nano-TiO2 Modified by Titanate Coupling Agent." In High-Performance Ceramics V. Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/0-87849-473-1.1477.

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Kalenik, Zbigniew, and Eduardo E. Wolf. "Methane Oxidative Coupling over Lithium Promoted Lanthanum-Titanate Oxide." In Natural Gas Conversion. Elsevier, 1991. http://dx.doi.org/10.1016/s0167-2991(08)60068-3.

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Carlos de Carvalho Pereira, José. "Energy Harvesting Prediction from Piezoelectric Materials with a Dynamic System Model." In Piezoelectric Actuators - Principles, Design, Experiments and Applications [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.96626.

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Piezoelectric vibration energy harvesting has been investigated for different applications due to the amount of wasted vibration from dynamic systems. In the case of piezoelectric materials, this energy lost to the environment can be recovered through the vibration of energy harvesting devices, which convert mechanical vibration into useful electrical energy. In this context, this chapter aims to present the mechanical/electrical coupling on a simple dynamic system model in which a linear piezoelectric material model is incorporated. For this purpose, a mechanical/electrical element of a piezo
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"Primers and Coupling Agents." In Adhesion Science, 2nd ed. The Royal Society of Chemistry, 2021. http://dx.doi.org/10.1039/bk9781788018883-00032.

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Primers are applied to a surface prior to the adhesive, and have several roles. There are specific primers for some commercial structural adhesives, and some of these are described. Coupling agents permit covalent bonding of adhesive to the adherend. Silanes are dominant, and some examples of their efficacy are shown. There have been many spectroscopic studies of their action. Of lesser importance are titanates and zirconates. There are also coupling agents for wood.
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Newnham, Robert E. "Piezoelectricity." In Properties of Materials. Oxford University Press, 2004. http://dx.doi.org/10.1093/oso/9780198520757.003.0014.

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The prefix “piezo” (pronounced pie-ease-o) comes from the Greek word for pressure or mechanical force. Piezoelectricity refers to the linear coupling between mechanical stress and electric polarization (the direct piezoelectric effect) or between mechanical strain and applied electric field (the converse piezoelectric effect). The equivalence between the direct and converse effects was established earlier using thermodynamic arguments (Section 6.2). The principal piezoelectric coefficient, d, relates polarization, P, to stress, X, in the direct effect (P = dX) and strain, x, to electric field
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Saidi, Muhammad A. A., Mazatusziha Ahmad, Reza Arjmandi, Azman Hassan, and Abdul R. Rahmat. "The Effect of Titanate Coupling Agent on Water Absorption and Mechanical Properties of Rice Husk Filled Poly(vinyl Chloride) Composites." In Natural Fibre Reinforced Vinyl Ester and Vinyl Polymer Composites. Elsevier, 2018. http://dx.doi.org/10.1016/b978-0-08-102160-6.00010-x.

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Conference papers on the topic "Titanate coupling"

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Qiu, Benton, Charles St-Arnault, Weijia Li, et al. "112 GBaud PAM4 Barium Titanate Coupling Modulated Ring Modulator Monolithically Integrated on a Silicon Substrate." In Optical Fiber Communication Conference. Optica Publishing Group, 2025. https://doi.org/10.1364/ofc.2025.m3k.4.

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We demonstrate a BTO coupling modulated ring modulator featuring a 500 µm phase shifter, 4.8 V Vπ with < 1 dB insertion loss enabling ultra-dense and low power consumption optical interfaces delivering 112 GBaud PAM4.
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Monte, S. J., and G. Sugerman. "High Temperature Inorganic Anti-Corrosive Coatings Using Organometallic Titanate and Zirconate Quat Blends (QB)." In CORROSION 1990. NACE International, 1990. https://doi.org/10.5006/c1990-90432.

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Abstract Organosoluble and hydrolytically stable liquid pyrophosphato functional titanate and zirconate organometallic coupling agents are converted into water soluble salts via quaternization with certain methacrylic and acrylic functional amines. The resultant individual quats may be combined to form Quat Blends (QB's) having new and novel synergistic performance benefits in unfilled and particulate filled inks, coatings and films. Previous work by the authors is referenced to gain a historical perspective of evolved chemistry and performance efficacy. Data shows QB additive containing coati
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Garrett, M. H., J. Chang, H. P. Jenssen, H. L. Tuller, and C. Warde. "Photorefractive two-beam coupling in barium strontium titanate, Ba1-xSrxTiO3." In OSA Annual Meeting. Optica Publishing Group, 1990. http://dx.doi.org/10.1364/oam.1990.fs2.

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Barium titanate, BaTiCO3, has been extensively used for photorefractive applications primarily because of its large two-beam-coupling gain and self-pumped phase-conjugate reflectivity. Decreasing its response time is important for many optical information processing applications. High-temperature measurements of carrier mobilities in barium strontium titanate,1 Ba0.03Sr0.97TiO3, have shown an increase in their magnitude relative to barium titanate thus potentially reducing their response times.
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Motes, Andy, and Jin J. Kim. "Anomalous behavior of two-beam coupling in barium titanate." In OSA Annual Meeting. Optica Publishing Group, 1986. http://dx.doi.org/10.1364/oam.1986.mee3.

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Recently Klein and Valley observed anomalous behavior in a BaTiO3 crystal showing a change in sign of the beam-coupling gain coefficient (Γ) as a function of grating period.1 Using a band-conduction model for the photorefractive effect, Strohkendl et al. later explained the behavior of nearly compensated BaTiO3 crystals in beam-coupling experiments and demonstrated agreement with all the data in Ref. 2. In our studies of two-beam coupling, we also observed a change in sign of Γ, and we examined the wavelength dependence of Γ using a single longitudinal mode argon-ion laser. For short wavelengt
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Anderson, Dana, Valeria Damiao, Stefania Romisch, Amy Sullivan, Darko Popovic, and Zoya Popovic. "Optical Carrier Suppression Using Two-Beam Coupling in Photorefractive Barium Titanate." In Photorefractive Effects, Materials, and Devices. OSA, 2001. http://dx.doi.org/10.1364/pemd.2001.94.

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Tobin, Mary S., and Steven M. Ross. "Competition Between Beam Fanning And Two-Beam Coupling In Barium Titanate." In 1988 Los Angeles Symposium--O-E/LASE '88, edited by Robert A. Fisher. SPIE, 1988. http://dx.doi.org/10.1117/12.943800.

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Bernhardt, Sylvie, Philippe Delaye, Hartmut Hesse, Daniel Rytz, and Gérald Roosen. "Photorefractive two beam coupling characterization of a Barium-Calcium Titanate Crystal." In Advances in Photorefractive Materials, Effects and Devices. OSA, 1999. http://dx.doi.org/10.1364/apmed.1999.mc23.

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Xu, Minhong, Jvxiang Wang, Yunfeng Wu, and Ye Yang. "Surface Modification of Nano-Al2O3 with Titanate Coupling Agent TC-114." In International Conference on Chemical,Material and Food Engineering. Atlantis Press, 2015. http://dx.doi.org/10.2991/cmfe-15.2015.53.

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Moore, T. R., та R. W. Boyd. "Effects of γ-irradiation on photorefractive barium titanate". У OSA Annual Meeting. Optica Publishing Group, 1992. http://dx.doi.org/10.1364/oam.1992.moo3.

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Experiments show that irradiating photorefractive BaTiO3 with γ-rays can increase the photorefractive efficiency of some crystals. We measured the two-beam coupling gain as a function of grating period for two crystals, irradiated both crystals with γ-rays from a 60Co source, and repeated the two-beam coupling gain measurements. This sequence was repeated for irradiation doses totaling 105, 106, 107, and 108 rad (water). Results of the measurements showed no change in one crystal. The second crystal showed a marked improvement in photorefractivity; however, this increase saturated at an irradi
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Brost, George A. "Intensity-dependent absorption in barium titanate." In OSA Annual Meeting. Optica Publishing Group, 1987. http://dx.doi.org/10.1364/oam.1987.wi1.

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An intensity-dependent absorption in photorefractive barium titanate has recently been reported. This effect results in nonsymmetric behavior of the two-beam coupling gain coefficient. Various characteristics of the intensity-dependent absorption coefficient have been measured. These include temperature dependence and temporal behavior. To date there has been no theoretical treatment of these phenomena. This paper discusses the intensity-dependent absorption via a model in which the absorption is accounted for by the existence of shallow traps. These traps, which are unoccupied at room tempera
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