Crystallinity and ferroelectricity of MOD-derived Pb0.985La0.01 (Zr0.4Ti0.6)O3 thin films

  • Jian Hua Ma*
  • , Xiang Jian Meng
  • , Jing Lan Sun
  • , Jun Hao Chu
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Pb0.985La0.01 (Zr, Ti)O3 (PLZT) thin films were deposited onto LNO(100)/Si substrates by metal-organic decomposition (MOD) technique. An intermediate pre-annealing process was added into the rapid thermal anneal (RTA) process to treat the films. Effects of intermediate pre-annealing process on crystallinity and ferroelectricity were investigated. The results show that the intermediate pre-annealing process can affect the selection of crystalline texture. PLZT thin film without intermediate pre-annealing process displays (100)-preferential orientation. However, PLZT thin films with intermediate pre-annealing process show random orientation. PLZT thin film without intermediate pre-annealing process shows the worse ferroelectricity. PLZT thin film with intermediate pre-annealing process of 380°C displays the best properties. The ferroelectricity is mainly attributed to both the crystallinity and the defects in the PLZT thin films.

Original languageEnglish
Pages (from-to)163-168
Number of pages6
JournalWuji Cailiao Xuebao/Journal of Inorganic Materials
Volume20
Issue number1
StatePublished - Jan 2005
Externally publishedYes

Keywords

  • Crystallinity
  • Ferroelectricity
  • Intermediate pre-annealing process
  • PLZT thin films

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