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V-doped ZnO thin films prepared by RF magnetron sputtering

  • W. D. Shao
  • , X. F. Chen
  • , W. Ren
  • , P. Shi
  • , X. Q. Wu
  • , O. K. Tan
  • , W. G. Zhu
  • , X. Yao
  • Xi'an Jiaotong University
  • Nanyang Technological University

Research output: Contribution to journalConference articlepeer-review

2 Scopus citations

Abstract

The V-doped ZnO thin films were prepared on Pt/TiO2/SiO 2/Si substrate by RF magnetron sputtering for piezoelectric device applications. X-ray diffraction study suggests that the sputtered ZnO thin films are grown in (0002)-preferred orientation, and the c lattice parameter decrease with V content increasing. The dielectric constant of the films is in the range of 9-16 at 1 kHz, and the dielectric loss blow 1%. The J-E characteristic of the films suggests that the field-assisted ionic conduction mechanism is predominant at the lower electric field and trap-controlled space-charge-limited conduction mechanism is predominant at the higher electric field.

Original languageEnglish
Pages (from-to)10-15
Number of pages6
JournalFerroelectrics
Volume406
Issue number1
DOIs
StatePublished - 2010
Event12th International Meeting on Ferroelectricity, IMF-12 and the 18th IEEE International Symposium on Applications of Ferroelectrics, ISAF-18 - Xi'an, China
Duration: 23 Aug 200927 Aug 2009

Keywords

  • Piezoelectric
  • Sputtering
  • V-doped ZnO films

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