Wideband impedance spectroscopy from 1 mHz to 10 MHz by combination of four- and two-electrode methods

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Title:Main Title: Wideband impedance spectroscopy from 1 mHz to 10 MHz by combination of four- and two-electrode methods
Description:Abstract: Impedance Spectroscopy (IS) measurements allow to study a wide range of polarization mechanisms associated with different frequency ranges. Experimental devices usually cover limited frequency rangeswith sufficient accuracy. We propose (a) a combination of four-electrode and two-electrode devices and (b) a data combination and mutual verification procedure using the actual sample under test. Hereby, we cover a frequency range from1mHz to 10MHz. The data combination relies on the precondition that any dispersive disturbance decayed at some mutual point within an overlapping frequency range between 1 Hz and 45 kHz. We validate our data combination procedure by IS measurements on simple reference systems and comparison with widely accepted model functions, e.g. the complex refractive index model (CRIM) for high frequency behavior and Kramers–Kronig relations in terms of data consistency. In this respect, our suggested processing approach is superior to two selected alternative approaches. We successfully adapt typical empirical model functions, e.g. multi-Cole–Cole, to the resulting wideband data to show that they are fully applicable for further data analysis.
Identifier:10.1016/j.jappgeo.2015.01.012 (DOI)
Responsible Party
Creators:Jan Volkmann (Author), Norbert Klitzsch (Author)
Publication Year:2019
TR32 Topic:Other
Related Subproject:B8
Subjects:Keywords: SIP, Spectroscopy
File Details
Data Type:Text - Article
File Size:1.1 MB
Dates:Submitted: 02.10.2014
Accepted: 14.01.2015
Available: 21.01.2015
Mime Type:application/pdf
Data Format:PDF
Download Permission:Only Project Members
General Access and Use Conditions:According to the TR32DB data policy agreement.
Access Limitations:According to the TR32DB data policy agreement.
Licence:[TR32DB] Data policy agreement
Specific Information - Publication
Publication Status:Published
Review Status:Peer reviewed
Publication Type:Article
Article Type:Journal
Source:Journal of Applied Geophysics
Number of Pages:11 (191 - 201)
Metadata Details
Metadata Creator:Tanja Kramm
Metadata Created:31.01.2019
Metadata Last Updated:31.01.2019
Funding Phase:3
Metadata Language:English
Metadata Version:V50
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