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Thermal expansion behaviour of sodium zirconium phosphate structure type phosphates containing tin |
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| Authors: | G Buvaneswari KV Govindan Kutty |
| Affiliation: | a Department of Chemistry, University of Florida, Gainesville, FL 32611, USA b Materials Chemistry Division, IGCAR, Kalpakkam, Chennai 603 102, India c Materials Science Research Centre, Indian Institute of Technology Madras, Chennai 600 036, India |
| Abstract: | Thermal expansion behaviour of sodium zirconium phosphate structure type phosphates of the formula AM3+SnP3O12 (A=Ca, Sr and Ba; M3+=Cr and Fe) was studied by high temperature X-ray diffraction and dilatometry in the temperature range 298-1073 K. The variation in the hexagonal lattice parameters of the Ca-containing compounds is in line with the ‘sodium zirconium phosphate behaviour’. However, the strontium- and barium-containing compounds display an altogether different behaviour of axial expansion. The results are explained based on the crystal chemistry of these compounds. |
| Keywords: | A Inorganic Compounds B Chemical Synthesis C X-ray diffraction D Thermal Expansion |
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