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Figure 1
Scheme of the solid-state reaction and sol–gel process: I, formation of the intermediate product; II, formation of the final crystalline product. Stage II occurs both in solid-state reactions and in the sol–gel process. |
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Figure 1
Scheme of the solid-state reaction and sol–gel process: I, formation of the intermediate product; II, formation of the final crystalline product. Stage II occurs both in solid-state reactions and in the sol–gel process. |