Periodic domain structure in Czochralski-grown LiNbO3: Y crystals |
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| Authors: | N F Evlanova I I Naumova T O Chaplina S V Lavrishchev S A Blokhin |
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| Institution: | (1) Physical Department, Moscow State University, Vorob’evy gory, Moscow, 119899, Russia |
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| Abstract: | A study is reported of the correlation between the impurity distribution and the ferroelectric domain structure in a periodically polarized LiNbO3: Y crystal grown by the Czochralski method. The domain walls forming near the impurity concentration modulation extrema are shown to be shifted by the temperature gradient below the Curie point. A new positive domain was observed to form near the trace of an electron beam scanning the $\{ 01\bar 10\} $ crystal surface in the course of x-ray microprobe analysis. |
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