Hi. I'd like to fit EIS data using Zview software, but I am not certain about my equivalent circuit and how to use the software.
My EIS data is looking like the images below.
I think the corresponding equivalent circuit model is: R(RC)W
How can I fit this data in Zview software?
For instance, I can do instant fit, and find some numerical values.
After in the equivalent circuit section, I added some components and each value that I found on instant fit section.
I don't know what kind of values are inserted in each value of circuit models to find perfect fitting.
Ju Han Your Cole-Cole plot has tilted spike at lower frequency and semicircle at higher frequency. Therefore, you can use the Constant phase element (CPE1) in series with a parallel combination of Resistance and another constant phase element (CPE2). But the suggestion of an equivalent circuit depends on the processes occurring in your material when you apply the ac signal. So consider the equivalent circuit only after studying your material response.
First analyze the plotted spectrum what exact behaviour of sample placed under sample holder with appied ac signal . You can surf in youtube will get how to fit with zview.
Best of luck
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