The dependence of ferroelectric and fatigue behaviors of PZT films on annealing conditions

Said Mansour, D. A. Binford, R. W. Vest

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Films of PZT about 0.2 pm thick with the composition PbZr, s,Ti, O, were prepared using the metalloorganic decomposition (MOD) process. The amorphous films produced by pyrolysis at 350°C were annealed at 550, 575,600 and 650°C for 10 minutes, 1 hour or 4 hours. Films annealed at temperatures below 550°C showed no ferroelectric behavior while others annealed above 650°C showed signs of loss of ferroelectric behavior. Most films demonstrated satisfactory ferroelectric properties such as low switching voltage and high polarization values. Some PZT films also demonstrated fatigue life-time of more than lo9 switching reversals. The performance of the films was dependent on the annealing time and temperature. It was found that films with better initial polarization values did not necessarily demonstrate better fatigue behavior. The causes of film degradation as a result of switching based on the pinning of domains at grain boundaries triggered by the migration of pores is discussed.

Original languageEnglish
Pages (from-to)43-56
Number of pages14
JournalIntegrated Ferroelectrics
Volume1
Issue number1
DOIs
Publication statusPublished - 1 Apr 1992
Externally publishedYes

Fingerprint

Ferroelectric materials
Fatigue of materials
Annealing
annealing
Polarization
Amorphous films
fatigue life
polarization
Grain boundaries
Pyrolysis
pyrolysis
grain boundaries
Decomposition
Degradation
Temperature
degradation
porosity
decomposition
life (durability)
Electric potential

Keywords

  • annealing
  • ferroelectric
  • MOD processing
  • PZT films

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Condensed Matter Physics
  • Electrical and Electronic Engineering
  • Ceramics and Composites
  • Materials Chemistry
  • Electronic, Optical and Magnetic Materials

Cite this

The dependence of ferroelectric and fatigue behaviors of PZT films on annealing conditions. / Mansour, Said; Binford, D. A.; Vest, R. W.

In: Integrated Ferroelectrics, Vol. 1, No. 1, 01.04.1992, p. 43-56.

Research output: Contribution to journalArticle

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