Electrical properties of cerium fluoride thin films

Arun Kumar Dorai, S. Selvasekarapandian, Nithya Hellar, Sakunthala Ayyasamy, Hema Muthusamy

研究成果: Article査読

12 被引用数 (Scopus)

抄録

Thin films of ionic conductors have low internal resistance. Hence, it could be used as an electrolyte material in sensors to operate at ambient temperatures. Cerium fluoride, a unipolar fluoride ion conductor, has got a different application in electrochemical sensor. In the present work, cerium fluoride thin films have been prepared by physical vapor deposition method and their electrical properties are studied. X-ray diffraction studies reveal the polycrystalline nature of the prepared thin films and the structure of the material. Scanning electron microscopy (SEM) images show grain-like structures. Conductivity analysis of the thin films has been studied by ac impedance analysis and the maximum conductivity value is found to be 1.04 × 10-6 S cm-1. The impedance spectra emphasize intergranular conduction in the prepared thin films.

本文言語English
ページ(範囲)481-486
ページ数6
ジャーナルIonics
16
6
DOI
出版ステータスPublished - 2010 7月 1
外部発表はい

ASJC Scopus subject areas

  • 化学工学(全般)
  • 材料科学(全般)
  • 工学(全般)
  • 物理学および天文学(全般)

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