Dear friend Saurav Kumar

The synthesis temperature and route for oxide materials can depend on various factors such as the nature of the starting materials, the desired phase or crystal structure, the method of synthesis, and the processing conditions. The ternary phase diagram can provide some insights into the phase stability and the composition range of the phases that can form, but it may not provide the exact synthesis conditions required to obtain a particular phase.

One approach to determine the appropriate synthesis temperature and route is to perform a systematic study of the reaction conditions. This can involve varying the synthesis temperature, reaction time, precursor stoichiometry, and processing atmosphere, and analyzing the resulting products using techniques such as X-ray diffraction, scanning electron microscopy, and transmission electron microscopy. By optimizing the synthesis conditions, the desired phase and properties can be obtained.

Another approach is to consult the literature for similar oxide materials and examine the synthesis conditions used in those studies. This can provide some guidance on the synthesis temperature and route that may be suitable for the desired material.

It is important to note that some oxide materials may require specialized processing conditions such as high pressure or high temperature to obtain the desired phase, and in such cases, a thorough understanding of the thermodynamics and kinetics of the reaction is necessary.

Saurav Kumar Sir, Please look following book chapter.

Article Phase Equilibria and Phase Diagrams in Oxide Systems

This may help you to understand about ternary phase diagram of some oxides.

All the best.

Amid

The synthesis temperature of oxide materials depends on the specific material being synthesized and the desired properties of the material. To decide the synthesis temperature, it is important to consider the following factors: the type of material, the type of reaction that is being used, the temperature of the reaction, the reactants, and the desired properties of the material. Additionally, it is important to consider the thermodynamic properties of the material, such as the melting point, boiling point, and thermal conductivity. Additionally, the equipment used to synthesize the material should be taken into account, as different types of equipment may require different temperatures for optimal results.

Please review some literature.... and provide some details about the material for a specific answer.

Dear all ,thank you for your suggestions and answers to my question.

Wali Mohd Dar Sir and Asha Panghal , the system that I am working on is rare-earth double perovskite oxide.I have gone through the related papers and found that these materials have synthesis temperature ranging from 1100 C to 1400 C.I tried some methods mentioned in these but not getting desired result. My system should crystalize in a Cubic Fm-3m(#225)structure and should show metallic behaviour.

If you are working with pellets then please follow at least two-time grinding procedure via solid-state synthesis. When the pellet is little thick you may get phase on one side but not on other side if kept like a cylinder. If you are able to keep it on the perimeter as its base then you may expect homogenized sintering. please go through specific literature of perovskites as a lot of material is available on solid-state synthesis of perovskites online.

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