Hi everyone! I have created a capacitor using Comsol 4.3b. I've set as dielectric material silicon and air. I need also to test the field by using also other materials such as teflon etc. However, when I select the domain, a X pic appears on the material and when I run the compute it shows there is an error. There is also a STOP sign at the "Relative Permittivity" on the "Material Contents" section. Why is that? Can somebody explain it to me?
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