Ionic conductivities of lithium phosphorus oxynitride glasses, polycrystals and thin films

  • B. Wang
  • , J. B. Bates
  • , B. C. Chakoumakos
  • , B. C. Sales
  • , B. S. Kwak
  • , R. A. Zuhr
  • , J. D. Robertson

Research output: Contribution to journalConference articlepeer-review

2 Scopus citations

Abstract

Various lithium phosphorus oxynitrides have been prepared in the form of glasses, polycrystals, and thin films. The structures of these compounds were investigated by X-ray and neutron diffraction, X-ray photoelectron spectroscopy (XPS), and high-performance liquid chromatography (HPLC). The ac impedance measurements indicate a significant improvement of ionic conductivity as the result of incorporation of nitrogen into the structure. In the case of polycrystalline Li2.88PO3.73N0.14 with the γ-Li3PO4 structure, the conductivity increased by several orders of magnitude on small addition of nitrogen. The highest conductivities in the bulk glasses and thin films were found to be 3.0×10-7 and 8.9×10-7 S·cm-1 at 25 °C, respectively.

Original languageEnglish
Pages (from-to)445-456
Number of pages12
JournalMaterials Research Society Symposium - Proceedings
Volume369
StatePublished - 1995
EventProceedings of the 1994 MRS Fall Meeting - Boston, MA, USA
Duration: Nov 28 1994Nov 30 1994

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