If we're being pedantic, it's a Dielectric Tensor, and I know that it changes with both temperature and frequency, but the question remains... How would one calculate the theoretical maximum Dielectric Constant for a capacitor? Assume the field and the material may be thoughtfully oriented, our device has access to sophisticated temperature control, and the frequency may be chosen.

Just to pre-empt you, here's a very high dielectric constant material.

  • $\begingroup$ Wow. Why aren't they using this to make batacitors? $\endgroup$ – Sherwood Botsford Feb 13 at 23:57

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