Dielectric study of strontium pyrophosphate nano particle

Various pyrophosphates are very useful as bioceramics; for instance, strontium pyrophosphate is one of the emerging forms of alkaline phosphate. Strontium pyrophosphate dihydrate (Sr 2 P 2 O 7 2H 2 O) nanoparticles were synthesized by the surfactant-mediated approach and characterized by different techniques. From the powder XRD study, the average crystallite size was evaluated by applying Scherrer's formula, which was found to be 33.57 nm. The average crystallite size and internal strain were also evaluated using Williamson-Hall (W-H) method. The FT-IR spectroscopy study confirmed the presence of symmetric and asymmetric stretching vibrations of P-O-P and PO 3 . The UV-NIR absorption spectroscopy over the spectral range of 210-1200 nm was employed, and the energy band gap was calculated from Tauc's plot which was found to be 4.9 eV. Thermogravimetric analysis (TGA) confirmed the presence of two water molecules in the sample. From TGA, it was found that the sample become anhydrous and on heating above 410-800°C, the sample remained almost stable with slight weight gain due to adsorption of purged gas. Various kinetic parameters and thermodynamic parameters were evaluated for dehydration process. *pds_2307@yahoo.co.in

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Dielectric study of strontium pyrophosphate nano particle

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Local structural investigations and speciation of uranium in Sr2P2O7 by time resolved emission spectroscopy and Sr K-edge EXAFS

Local structural investigations and speciation of uranium in Sr2P2O7 by time resolved emission spectroscopy and Sr K-edge EXAFS

Synthesis, Crystal Structure, Spectroscopic and Thermal Analysis of Strontium Pyrophosphate Dihydrate Nanoparticles

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