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

Research output: Contribution to journalConference articlepeer-review

2 Citations (Scopus)

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
Publication statusPublished - 2010
Externally publishedYes
Event12th International Meeting on Ferroelectricity, IMF-12 and the 18th IEEE International Symposium on Applications of Ferroelectrics, ISAF-18 - Xi'an, China
Duration: Aug 23 2009Aug 27 2009

ASJC Scopus Subject Areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Keywords

  • Piezoelectric
  • Sputtering
  • V-doped ZnO films

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