[Feature]: Streamline material models

[PeriHub]

What are you trying to do and how would you want to do it differently?

The structure of the material model classes should be streamlined to a coherent schematic. Bond-based and Ordinary needs to be restructured like Correspondence.

Is it something you currently cannot do? Is this related to an issue/problem?

No response

Implementation details

No response

Would you be willing to submit a PR?

Yes