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Journal Articles Materials Chemistry and Physics Year : 2010

Further studies on the lithium phosphorus oxynitride solid electrolyte

Abstract

First step in the way to the fabrication of an all-solid microbattery for autonomous wireless sensor node, amorphous thin solid films of lithium phosphorus oxynitride (LiPON) were prepared by radio-frequency sputtering of a mixture target of P2O5/Li2O in ambient nitrogen atmosphere. The morphology, composition, and ionic conductivity were characterized by scanning electron microscopy, energy dispersive X-ray spectroscopy, X-ray photoelectron spectroscopy, and A.C. impedance spectroscopy. With a thickness of 1.4 μm, the obtained LiPON amorphous layer provided an ionic conductivity close to 6 × 10−7 S cm−1 at room temperature. MicroRaman UV spectroscopy study was successfully carried out for the first time on LiPON thin films to complete the characterization and bring further information on LiPON structure.

Dates and versions

hal-00514193 , version 1 (01-09-2010)

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Cite

T. Pichonat, C. Lethien, Nicolas Tiercelin, S. Godey, E. Pichonat, et al.. Further studies on the lithium phosphorus oxynitride solid electrolyte. Materials Chemistry and Physics, 2010, 123, pp.231 - 235. ⟨10.1016/j.matchemphys.2010.04.001⟩. ⟨hal-00514193⟩
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