Abstract

Inclusion-free rubidium titanyl phosphate (RTP) single crystal is grown by slow cooling process using rubidium poly-phosphate as flux. The crystal is grown at temperature ranging from 850 to 750 °C. Powder XRD analysis confirmed orthorhombic structure of the RTP. Optical absorption and transmittance spectra of the grown crystal show that the RTP single crystal has wide transparency from visible to IR region. The impedance, dielectric, and conducting properties were studied in the room temperature to 850 °C with frequency ranges from 100 Hz to 8 MHz. The study showed a decrease in the conductivity as a function of temperature at higher frequencies. The second-order phase transition at 800 °C was observed in dielectric plots. The PE loop was traced for various applied electric field with respect to the frequency of 50 Hz. The dependence of electrical properties with temperature, spontaneous polarization, and the coercive nature of the grown RTP single crystals are discussed in this paper.

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