Investigations on the Nonlinear Optical Properties of Eu3+: TiO2 Nanoparticles via Z-Scan Technique

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Abstract:

Europium doped Titanium dioxide (TiO2) nanoparticles were prepared by Sol-Gel technique under varying condition to investigate the effects of Eu3 + doping on the optical properties of Titanium dioxide nanoparticles. The transmittance spectrum is clearly visible at wavelengths 394nm and 416nm, and is a result of electronic transitions of energy level of the Eu3 + ions. . The obtained composites for different doping concentration were analyzed by using Energy Dispersive X-ray Spectroscopy (EDS). The linear and nonlinear optical properties of the composite were studied using the Z-scan technique, and there was an increase in the nonlinear refractive index with an increase in the concentration of the Eu+3, where it reached its highest value, which is 3.01×10-10 at doping 2.3 while the linear absorption coefficient was an inverse proportion, where the highest value was at Pure titanium and it is 1.0296951×10-5 (cm/mw).

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Materials Science Forum (Volume 1039)

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245-252

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July 2021

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© 2021 Trans Tech Publications Ltd. All Rights Reserved

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