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Abstract
Single crystals of ferroelectric material tri-glycine barium nitrate (TGBN) were grown from aqueous solution employing the techniques of slow cooling under controlled evaporation. Highly transparent seed crystals were harvested after repeated recrystallization process. Optical quality seed crystal has been used for the bulk growth. The solubility of the synthesized material was determined by using water as solvent. The solubility of TGBN was determined for various temperatures between 20°C and 50°C. It is found that this material has a positive temperature coefficient of solubility. Single crystal X-ray diffraction analysis confirms the crystal structure. The FTIR analysis confirms the presence of functional groups in the complex. The Vicker's microhardness of the samples were found using Mitutoyo MH 120 microhardness tester. The measurements were done at room temperature for different forces.
Acknowledgments
The authors thank the management of VIT University, Vellore for their constant support and encouragement.
Communicated by Dr. Deborah J. Taylor