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Photoelectric Fields in Nominally Undoped and Doped Lithium Niobate Crystals

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Abstract—

Using photoinduced light scattering parameters at wavelengths of 476.5, 488.0, 514.5, and 532.0 nm, we have assessed the photovoltaic and diffusion field strengths in nominally undoped and doped lithium niobate crystals. The results demonstrate that the photovoltaic field is strongest at an excitation wavelength of 514.5 nm.

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Notes

  1. The primary (basic) structure of a crystal is here taken to mean the structure experimentally determined by diffraction techniques: neutron scattering and X-ray structure analysis. The basic structure of a crystal can be described in terms of theories based on space groups. At the same time, experimental data for real crystals can only be brought into agreement with theory by assuming the crystals to be imperfect and consist of microstructures (clusters) and other microscopic units typically under 1 μm in size (as a rule, randomly arranged), that is, to have a secondary structure.

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Authors and Affiliations

  1. Tananaev Institute of Chemistry and Technology of Rare Elements and Mineral Raw Materials (Separate Division), Kola Scientific Center (Federal Research Center), Russian Academy of Sciences, Akademgorodok 26a, 184209, Apatity, Murmansk oblast, Russia

    N. V. Sidorov, A. M. Shuvalova, A. A. Yanichev, N. A. Teplyakova & M. N. Palatnikov

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  1. N. V. Sidorov
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  2. A. M. Shuvalova
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  3. A. A. Yanichev
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  4. N. A. Teplyakova
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  5. M. N. Palatnikov
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Correspondence to N. V. Sidorov.

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Translated by O. Tsarev

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Sidorov, N.V., Shuvalova, A.M., Yanichev, A.A. et al. Photoelectric Fields in Nominally Undoped and Doped Lithium Niobate Crystals. Inorg Mater 55, 482–488 (2019). https://doi.org/10.1134/S0020168519050170

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  • DOI: https://doi.org/10.1134/S0020168519050170

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