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How to Get Chromium Permittivity (THz regime)

Posted Aug 20, 2016, 12:45 a.m. EDT RF & Microwave Engineering, Materials, Modeling Tools & Definitions, Parameters, Variables, & Functions 1 Reply

Mingyu Zhang
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Hi guys,

I am a new comer to COMSOL, and I want to simulate a Chromium EM structure in THz frequency. I only get the electrical conductivity of Cr from literature but fail to the permittivity. Cause eps_c=eps-j*sigma/omega= (eps’-j*eps”)-j*sigma/omega.

Can anyone give me a hint on this?

Thanks,
Mingyu
1 Reply Last Post Aug 22, 2016, 1:05 p.m. EDT
Dennis Brown
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Posted: 8 years ago Aug 22, 2016, 1:05 p.m. EDT
Permittivity should be 1. Permittivity is a dielectric value and a metal is not a dielectric.
Permittivity should be 1. Permittivity is a dielectric value and a metal is not a dielectric.

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