✦ LIBER ✦

Experimental limitations in impedance spectroscopy: Part II — electrode artifacts in three-point measurements on Pt/YSZ

✍ Scribed by G. Hsieh; T.O. Mason; L.R. Pederson

Book ID: 104296510
Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 828 KB
Volume: 91
Category: Article
ISSN: 0167-2738
DOI: 10.1016/s0167-2738(96)83020-7

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✦ Synopsis

High temperature (570-750°C) three-point impedance measurements on the system Pt/YSZ using a platinum reference electrode exhibited distortions/artifacts due to the voltage divider effect. These distortions could be avoided by using a lower impedance reference electrode (Ag) or employing an instrument with a higher input impedance. A correction procedure was also successful.

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Experimental limitations in impedance spectroscopy: Part I — simulation of reference electrode artifacts in three-point measurements

✍ G. Hsieh; S.J. Ford; T.O. Mason; L.R. Pederson 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 893 KB

Impedance studies on test circuits demonstrated that three-point measurements are susceptible to voltage divider distortion/artifacts if the reference electrode impedance approaches the analyzer input impedance. These features can be avoided by using an instrument with a high input impedance or a re