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ABSTRACT
We have studied the features of periodical poling by focused electron beam irradiation of MgO-doped lithium niobate (MgOLN) single crystalline plate covered by the resist layer. We have distinguished the main types of the domain structure depending on the irradiated dose. We have revealed that total domain area and width of the domain stripes depend linearly on the dose and irradiated stripe width. We have observed the highly regular domain structures with duty-cycle close to desirable value of 0.5 on both polar surfaces.
Acknowledgments
The authors would like to acknowledge V.A. Kvashnin for participation in the experiments, I.S. Baturin for helpful discussions. The equipment of the Ural Center for Shared Use “Modern nanotechnology” UrFU. The research was made possible in part by RFBR (15-32-21102-mol_a_ved), by Government of the Russian Federation (Act 211, Agreement 02.A03.21.0006), and by President of Russian Federation grant for young scientists (Contract 14.Y30.16.8441-МК). V.S. acknowledges financial support within the State Task from the Ministry of Education and Science of the Russian Federation (Project No. 1366.2014/236).