Synthesis of crystalline materials is greatly facilitated if the reaction mixture is homogeneous on an atomic...

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Chemistry

Synthesis of crystalline materials is greatly facilitated if thereaction mixture is homogeneous on an atomic scale. Describe some(at least three) of the routes that could be used to synthesise asample of BaTiO3 powder and compare the advantages/disadvantages ofeach. Describe the strategies that can be adopted to synthesisethin films of semiconductor materials such as CdS or GaAs.

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First Route Hydrothermal Synthesis Starting Material Water soluble BaOH2 8H2O and insoluble TiO2 powder Procedure These two materials are mixed in an aqueous solution kept at a temparature near its boiling point near its boiling point for prolonged times Second Route Molten salt synthesis methods starting material BaCO3 TiO2 NaCl KCl procedure BaCO3 and TiO2 powders were mixed with eutectic composition of NaClKCl in their molar ratio Isopropyl See Answer

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