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Effect of Li/Nb ratio on structure and photorefractive properties of Zn:Fe:LiNbO3 crystals

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Abstract

Zn:Fe:LiNbO3 crystals with different Li/Nb ratios in the melts (Li/Nb = 0.946, 0.97, 1.00, 1.10, 1.20, 1.44) have been grown for the first time. The UV–Vis absorption spectra, exponential gain coefficient, diffraction efficiency and response time of the crystals were measured. With the ratio of Li/Nb increasing, the absorption edge shifts to a shorter wavelength, the exponential gain coefficient and response speed increase, but the diffraction efficiency decreases.

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Acknowledgements

This work is sponsored by National Major Project of Fundamental Research of China (G19990330) and China Postdoctoral Science Foundation.

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Authors and Affiliations

  1. Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China

    X. H. Zhen & Q. Li

  2. School of Material Science and Engineering, Harbin Institute of Technology, Harbin, 150001, P. R. China

    L. C. Zhao

  3. Department of Applied Chemistry, Harbin Institute of Technology, Harbin, 150001, P. R. China

    Y. H. Xu

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  1. X. H. Zhen
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  2. Q. Li
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  3. L. C. Zhao
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  4. Y. H. Xu
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Correspondence to Q. Li.

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Zhen, X.H., Li, Q., Zhao, L.C. et al. Effect of Li/Nb ratio on structure and photorefractive properties of Zn:Fe:LiNbO3 crystals. J Mater Sci 42, 3670–3674 (2007). https://doi.org/10.1007/s10853-006-1348-1

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  • DOI: https://doi.org/10.1007/s10853-006-1348-1

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