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 How to fit data for Nyquist graph (EIS)
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MicheleZ_95

Italy
3 Posts

Posted - 03/19/2020 :  09:15:38 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Ver.: OriginPro 2018
Operating System: Windows 10

Hi to everyone! This is my first topic so I hope to be in the right forum section.
This is my question:
I have collected data for Impedance Spectroscopy (EIS) so i need to plot the relative Nyquist graph (Zreal vs Zimg). I attach a screenshot of the Nyquist diagram using the Gamry software.
Once I import the data in Origin, is there a method to fit the curve?

Thanks!!

YimingChen

1592 Posts

Posted - 03/19/2020 :  11:20:44 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,

Please check this tutorial page on fitting with complex function.
https://www.originlab.com/doc/Tutorials/Fitting-ComplexFunc

James
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