Microstructural and nonlinear optical properties of Bi2ZnB2O7:RE3+ powders

For the first time an orthorhombic bismuth zinc borate (Bi2ZnB2O7, BZBO) with noncentrosymmetric structure was synthesized by means of modified Pechini method. This approach allowed to reduce both the duration and temperature of the procedure in comparison to conventional solid state synthesis of de...

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Bibliographic Details
Published in:Journal of alloys and compounds 2017-02, Vol.694, p.959-970
Main Authors: Chrunik, M., Majchrowski, A., Szala, M., Zasada, D., Kroupa, J., Bubnov, A., Chlanda, A., Woźniak, M.J.
Format: Article
Language:English
Subjects:
Atomic force microscopy
Atomic structure
Bismuth
Chemical compounds
Crystallography
Energy consumption
Energy dispersive X ray spectroscopy
Microscopy
Nanoparticles
Nonlinear optical materials
Nonlinear optics
Nonlinear response
Nuclear electric power generation
Optical properties
Polycrystals
Powder synthesis
Rare earth doped borates
Second harmonic generation
Solid state
Spectroscopic analysis
Spectrum analysis
Temperature
Zinc
Zinc borate
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Summary:For the first time an orthorhombic bismuth zinc borate (Bi2ZnB2O7, BZBO) with noncentrosymmetric structure was synthesized by means of modified Pechini method. This approach allowed to reduce both the duration and temperature of the procedure in comparison to conventional solid state synthesis of desirable compounds in form of polycrystalline powders. Selected RE3+ dopants were successfully introduced into BZBO matrix using this method. The obtained materials were studied and crystallographic calculations were performed in order to confirm the structure of as-prepared polycrystals. Morphology of obtained powders was investigated using Atomic Force Microscopy. Energy Dispersive X-Ray Spectroscopy measurements were done in order to proceed chemical microanalysis. Second Harmonic Generation measurements showed strong effect of incorporated RE3+ ions on the increasing second order nonlinear optical response of BZBO:RE3+ powders. •A new approach of synthesis for binary oxyborate Bi2ZnB2O7 (BZBO) was shown.•The proper modifications for Pechini method were introduced to improve the synthesis efficiency.•SHG effect is strongly dependent on the qualitative/quantitative type of RE-dopant.•The relation between the structure of BZBO:RE3+ and its second order nonlinear optical response was discussed.
ISSN:0925-8388
1873-4669
DOI:10.1016/j.jallcom.2016.10.161