Abstract
We report the third order nonlinear optical properties of Ni doped ZnMoO4 nanostructures with various concentration of Ni. The structural, optical and morphological properties have been investigated. X-ray diffraction pattern confirmed the successful incorporation of Ni into ZnMoO4 lattice without any secondary phase formation. The optical absorption spectra revealed a slight shift of absorption edge towards longer wavelength with an additional band appeared at 440 nm upon Ni doping. The variation of nonlinear optical properties of the synthesized nanostructures under continuous wave laser was investigated by a Z-scan technique at 532 nm. Experimental results reveal that the nanostructures exhibit reverse saturable absorption and negative nonlinearities. The measured third order nonlinear optical susceptibility was found to be in the order of 10−6 esu. Based on the observed results it is suggested that the nonlinear optical characteristics of the nanostructures could be controlled by Ni doping making them a potential candidate for optical device applications.
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