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Impedance Spectroscopy

Methods IAAC, Hillebrecht

Impedance Spectroscopy Model: Zahner Elektrik IM6e Electrochemical Workstation
Unit and Room: Inorg. Chem., R. 142, (Chem. I)
Responsible: Dr. Thilo Ludwig
Spectroscopy
Further information: http://portal.uni-freiburg.de/fkchemie/Ausstattung

Short Description:

Electrochemical workstation with frequency generator and analyzer (DC - 1MHz), internal potentiostat (max. 12V, max. 1A), interface and Thales software for measurement, evaluation and simulation.

Picture of the Equipment
Impedance Spectroscopy
Available Experiments/Techniques:

- 2-, 3- and 4-Pole measurements
- Impedance measurement, current/potential curves, cyclic voltammetry, capacity recording.

Special Equipment:

High temperature device (293 - 673K): Quartz sample holder, Eurotherm 2404 controller
Low temperature device (10 - 300K): Brass sample holder, Leybold cryostat 

Measurements on the equipment are currently done by: Students after extensive training
Trained scientific service personal
 
Recent Publications, where this instrument was
important (citation):

 
Typical problems that may be solved with this instrument: Materials characterisation: conductivity measurements, determination of band gaps, phase transitions

 

pdficon.gif Impedance Spectroscopy (this page as a pdf file)

 

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