Synthesis, properties, and crystal structures of some new solid solutions in the systems KTiOPO4-TlTiOPO4, RbTiOPO4-TlTiOPO4, and KTiOPO4-KGeOPO4

Natalya Sorokina; Dong Yoon Lee; I. A. Verin; V. I. Simonov; V. I. Voronkova; V. K. Yanovsky

doi:10.1117/12.242130

10 June 1996 Synthesis, properties, and crystal structures of some new solid solutions in the systems KTiOPO₄-TlTiOPO₄, RbTiOPO₄-TlTiOPO₄, and KTiOPO₄-KGeOPO₄

Natalya Sorokina, Dong Yoon Lee, I. A. Verin, V. I. Simonov, V. I. Voronkova, V. K. Yanovsky

Author Affiliations +

Proceedings Volume 2801, Nonlinear Optics of Low-Dimensional Structures and New Materials; (1996) https://doi.org/10.1117/12.242130
Event: International Conference on Coherent and Nonlinear Optics, 1995, St. Petersburg, Russian Federation

Abstract

Crystals of solid solutions of K_0.82Tl_0.18TiOPO₄, K_0.59Tl_0.41TiOPO₄, Rb_0.77Tl_0.23TiOPO₄, KGe_0.04Ti_0.96OPO₄, KGe_0.06Ti_0.94OPO₄, KGe_0.18Ti_0.82OPO₄, TlTiOPO₄ and KGeOPO₄ were obtained by crystallization from nonstoichiometric melts. These crystals belong to the ferroelectric family which possesses superionic conductivity of the KTiOPO₄-type. Their crystal structures were established and electrophysical characteristics were studied. The crystals are orthorhombic, sp.gr. Pna2₁. In these crystals, as compared to KTiOPO₄ crystals, TiO₆-octahedra have a more regular structure, that is one of the reasons of the differences in the nonlinear optical characteristics.

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Natalya Sorokina, Dong Yoon Lee, I. A. Verin, V. I. Simonov, V. I. Voronkova, and V. K. Yanovsky "Synthesis, properties, and crystal structures of some new solid solutions in the systems KTiOPO₄-TlTiOPO₄, RbTiOPO₄-TlTiOPO₄, and KTiOPO₄-KGeOPO₄", Proc. SPIE 2801, Nonlinear Optics of Low-Dimensional Structures and New Materials, (10 June 1996); https://doi.org/10.1117/12.242130

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