Synthesis, Thermal Expansion Properties and Raman Spectroscopic Study of Ca<sub>1-x</sub>Sr<sub>x</sub>Zr<sub>4</sub>P<sub>6</sub>O<sub>24</sub> Ceramics
Abstract:A simplified method with much lower time and energy costs is presented for the rapid synthesis of low thermal expansion materials of CaZr4P6O24, SrZr4P6O24 and their solid solution Ca0.5Sr0.5Zr4P6O24. The coefficients of thermal expansion of CaZr4P6O24, SrZr4P6O24 and Ca0.5Sr0.5Zr4P6O24 are measured to be -1.45×10-6, 2.1×10-6 and 0.26×10-6, respectively. Raman spectroscopic study confirms the formation of the solid solution of Ca0.5Sr0.5Zr4P6O24 though its symmetric and asymmetric stretching modes are obviousl… Show more
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