10 June 1996 Synthesis, properties, and crystal structures of some new solid solutions in the systems KTiOPO4-TlTiOPO4, RbTiOPO4-TlTiOPO4, and KTiOPO4-KGeOPO4
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Proceedings Volume 2801, Nonlinear Optics of Low-Dimensional Structures and New Materials; (1996); doi: 10.1117/12.242130
Event: International Conference on Coherent and Nonlinear Optics, 1995, St. Petersburg, Russian Federation
Abstract
Crystals of solid solutions of K0.82Tl0.18TiOPO4, K0.59Tl0.41TiOPO4, Rb0.77Tl0.23TiOPO4, KGe0.04Ti0.96OPO4, KGe0.06Ti0.94OPO4, KGe0.18Ti0.82OPO4, 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, 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); doi: 10.1117/12.242130; http://dx.doi.org/10.1117/12.242130
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Crystals

Chemical species

Nonlinear crystals

Ferroelectric materials

Ions

Solids

Germanium

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