Open AccessPhotoconductive Multiplexing by ZnO:Zr:F Thin Solid Films
Author(s) -
C. Torres-Torres,
L. Castañeda,
R. Torres-Martínez
Publication year - 2013
Publication title -
advances in materials science and engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.356
H-Index - 42
eISSN - 1687-8442
pISSN - 1687-8434
DOI - 10.1155/2013/256413
Subject(s) - materials science , photoconductivity , optoelectronics , zirconium , thin film , doping , nanosecond , laser , absorption (acoustics) , optics , nanotechnology , composite material , metallurgy , physics
Within this work, the nonlinear optical properties and electrical effects exhibited by zinc oxide thin films codoped with zirconium and fluorine are reported. The development of a simple photoconductive multiplexor system is proposed. The samples were prepared by the ultrasonic spraying technique (UST). Spectroscopic studies and avectorial two-wave mixing method were carried out with a nanosecond Nd:YAG laser system at 532 nm. Experimental results indicate that after the zirconium and fluorine doping,a strong third-order optical nonlinearity can be developed in the ZnO films. The nonlinear optical response seems to be dominantly originated by a two-photon absorption closely related to a photoconductive phenomenon
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