Solid-state synthesis and heat capacity measurements of ceramic compounds LiAlSiO4, LiAlSi2O6, LiAlSi3O8, and LiAlSi4O10 |
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| Authors: | L. Ahamad S. K. Rakshit S. C. Parida Y. P. Naik G. A. Rama Rao S. G. Kulkarni S. G. Singh S. C. Gadkari |
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| Affiliation: | 1. Product Development Division, Bhabha Atomic Research Centre, Mumbai, 400085, India
2. Technical Physics Division, Bhabha Atomic Research Centre, Mumbai, 400085, India
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| Abstract: | Number of lithium-based oxide ceramics in Li–Al–Si–O system were synthesized by solid-state reaction route using Li2CO3, Al2O3, and SiO2. The progress of the reaction was monitored using thermogravimetry. A model-free approach was employed to fit the temperature versus mass loss data. Heat capacities were measured as a function of temperature using differential scanning calorimetry. Variation of lithium/silicon ratio resulted in change in heat capacity and average crystallite size in each compound. |
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