High dielectric strength insulator

[chenhon5]

Hi,

Does anyone know which insulator will have very high dielectric strength at room temperature?

The dielectric strength is the electric filed strength of a material can resist before it breakdown.

 

[skillcomputer]

Have a look at Polysulfide sealants.

 

[skillcomputer]

Or run your experiment under oil (heated first to remove water)

 

[chenhon5]

Hi, thank you very much for your reply. i am looking for some material can be deposited using ebeam evaporation or atomic layer deposition, since very thin layer (~30 nm) is needed.

 

[alphy]

The higher the dielectric strength, the better the insulation properties of the material.

I can suggest that materials such as ceramic, glass, and certain types of plastics have high dielectric strength at room temperature. These materials have strong covalent bonds and are able to withstand high electric fields without breaking down. Other factors that can affect the dielectric strength of a material include its thickness and purity.

It is also important to note that the dielectric strength of a material can vary depending on the frequency and type of electric field applied. Therefore, it is important to consider these factors when selecting an insulating material for a specific application.

Overall, materials with high dielectric strength are essential for electrical insulation and can be found in various industries such as electronics, power transmission, and telecommunications. I hope this helps answer your question.