The role of Jahn–Teller ions in the creation of domain structures in lithium niobate

A. V. Golenishchev-Kutuzov; V. A. Golenishchev-Kutuzov; R. I. Kalimullin; A. V. Semennikov

doi:10.3103/S1062873816050063

The role of Jahn–Teller ions in the creation of domain structures in lithium niobate

Authors: Golenishchev-Kutuzov A.V.¹, Golenishchev-Kutuzov V.A.¹, Kalimullin R.I.¹, Semennikov A.V.¹
Affiliations:
1. Kazan State Power Engineering University
Issue: Vol 80, No 5 (2016)
Pages: 515-517
Section: Proceedings of the International Interdisciplinary Symposium “Ordering in Minerals and Alloys” OMA-18 and Proceedings of the International Interdisciplinary Symposium “Order, Disorder, and the Properties of Oxides” ODPO-18
URL: https://journals.rcsi.science/1062-8738/article/view/184358
DOI: https://doi.org/10.3103/S1062873816050063
ID: 184358

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Abstract

Using tightly focused laser beams, features of space charge fields (∼107 V/m) are studied through the photoionization of doped Jahn–Teller Fe²⁺ ions in LiNbO₃ single crystals. These fields can be used for selective formation of the inverse domain state following the additional application of a field with a strength below the coercive field. The characteristics of laser-induced domains and periodic domain structures are studied by laser-acoustic means.