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Characterization of Li7La3Zr2O12 Thin Films Prepared by Pulsed Laser Deposition

Published online by Cambridge University Press:  11 July 2012

Jiajia Tan
Affiliation:
Nanomaterials Research Laboratory, Department of Materials Science and Engineering, University of Utah, Salt Lake City, UT 84112, U.S.A.
Ashutosh Tiwari
Affiliation:
Nanomaterials Research Laboratory, Department of Materials Science and Engineering, University of Utah, Salt Lake City, UT 84112, U.S.A.
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Abstract

A pulsed laser deposition system was employed to fabricate thin films of Li7La3Zr2O12 solid electrolyte. The deposition process was carried out at room-temperature, resulting in amorphous films. These as-deposited films had a large optical band gap of 5.13 eV, and exhibited a lithium-ion conductivity of 3.35×10-7 S/cm. The films were then annealed, and the effect of annealing on the optical and electrical properties of the films was examined. After annealing at 1000 °C, the films were found to be cubic with a narrower band gap of 3.64 eV. In addition, these annealed films showed an inferior ionic conductivity than the as-deposited ones.

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Copyright © Materials Research Society 2012

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Characterization of Li7La3Zr2O12 Thin Films Prepared by Pulsed Laser Deposition
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