Synthesis and properties of zirconium-doped RbTiOPO4 single crystals |
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| Authors: | E. I. Agapova V. I. Voronkova E. P. Kharitonova I. N. Leont’eva S. Yu. Stefanovich N. I. Sorokina A. P. Dudka O. A. Alekseeva N. N. Kononkova |
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| Affiliation: | (1) Moscow State University, Leninskie gory, Moscow, 119992, Russia;(2) Shubnikov Institute of Crystallography, Russian Academy of Sciences, Leninskiĭ pr. 59, Moscow, 119333, Russia;(3) Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, ul. Kosygina 19, 119991 Moscow, Russia |
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| Abstract: | Single crystals of the solid solutions RbTi1 ? x Zr x OPO4 (0.015 < x < 0.034) were grown and their physical properties were studied. In the presence of zirconium in the crystals with the maximum content x = 0.034, the ferroelectric phase transition and the high-temperature transition from the orthorhombic to the cubic phase are shifted to lower temperatures by 100 and 50°C, respectively. In the temperature range from 700°C to room temperature, the conductivity of doped crystals decreases compared to that of the undoped crystals. It is of particular interest that the intensity of the second-harmonic generation of the doped crystals is substantially higher than that of RbTiOPO4. |
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