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An automated electrochemical probe for evaluation of thin films

Journal of the Electrochemical Society

Small, Leo; Cook, Adam; Apblett, Christopher A.; Ihlefeld, Jon F.; Brennecka, Geoff; Duquette, David

An electrochemical probe station (EPS) for automated electrochemical testing of electronic-grade thin films is presented. Similar in design to a scanning droplet cell, this modular system features a flexible probe tip capable of contacting both metallic and oxide surfaces. Using the highly sensitive Pt-H 2SO 4 system, it is demonstrated that the EPS obtains results equivalent to those of a traditional electrochemical cell. Further, electrical testing of thin film PbZr 0.52Ti 0.48O 3 shows that this system may be used to ascertain fundamental electrical properties of dielectric films. © 2012 The Electrochemical Society.

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TYPE Journal Article YEAR 2012
ScopusOSTI

Fast lithium-ion conducting thin-film electrolytes integrated directly on flexible substrates for high-power solid-state batteries

Advanced Materials

Ihlefeld, Jon F.; Clem, Paul; Doyle, B.L.; Kotula, Paul G.; Fenton, Kyle R.; Apblett, Christopher A.

By utilizing an equilibrium processing strategy that enables co-firing of oxides and base metals, a means to integrate the lithium-stable fast lithium-ion conductor lanthanum lithium tantalate directly with a thin copper foil current collector appropriate for a solid-state battery is presented. This resulting thin-film electrolyte possesses a room temperature lithium-ion conductivity of 1.5 × 10 -5 S cm -1, which has the potential to increase the power of a solid-state battery over current state of the art. Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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TYPE Journal Article YEAR 2011
DOIOSTIScopus
Results 51–75 of 91
Results 51–75 of 91