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http://ri.uaemex.mx/handle20.500.11799/54716| Title: | Synthesis by wet chemistry and characterization of LiNbO3 nanoparticles | Keywords: | Física, Astronomía y Matemáticas;LiNbO3;wet chemistry;XRD;XPS;SEM;nanoparticles;info:eu-repo/classification/cti/1 | Publisher: | Sociedad Mexicana de Ciencia y Tecnología de Superficies y Materiales A.C. | Project: | http://www.redalyc.org/revista.oa?id=942 | Description: | Actually, lithium niobate (LiNbO3) has been used for optical wavelength conversion and ultrafast optical signal processing because of its outstanding rapid nonlinear optical response behavior, low switching power and broad conversion bandwidth. LiNbO3nanoparticles, which belong to the ferroelectric oxide class, were synthesized by chemical reaction with wetchemistry. Their sizedistributionwascenteredaround200 nm. Xray diffraction (XRD) and scanning electron microscopy (SEM) were used to further investigate the quality of the obtained LiNbO3powders.The present work shows thatby employingthis chemical method the correct stoichiometric phasewas obtained. This wascorroborated by XPS (X-Ray Photoelectron Spectroscopy) results. Also, the nanoparticles showed a defined crystallinity and uniform morphology. This way of obtaining nanoparticles is innovative because of its low cost and simple way to reproduce it. It isan important method of increasing the surfacearea, controlling thephase purityand reducing theparticle size distribution. The samples were obtained under low temperature annealing at500, 650 and 800 ºC. Those features can be controlled using variables such temperature, time of synthesis,and calcination. In previous worksit wasfound that hydrothermal methods offer many advantages over conventional ceramic synthesis methods. | URI: | http://ri.uaemex.mx/handle20.500.11799/54716 | Other Identifiers: | http://hdl.handle.net/20.500.11799/54716 | Rights: | info:eu-repo/semantics/Superficies y vacío info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-nd/4.0 |
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