Fatigue properties of LaNiO3/PbZr0.4 Ti0.6O3/LaNiO3 heterostructures

  • Gen Shui Wang*
  • , Qiang Zhao
  • , Xiang Jian Meng
  • , Fu Wen Shi
  • , Jing Lan Sun
  • , Jun Hao Chu
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

PbZr0.4Ti0.6O3/LaNiO3 heterostructures have been grown on Si-based substrates by chemical solution routes. The microstructure and morphology of the prepared PbZr0.4Ti0.6O3 and LaNiO3 thin films were investigated via X-ray diffractometry and atomic force microscopy techniques. PbZr0.4Ti0.6O3 and LaNiO3 show highly (100) orientation. The PbZr0.4Ti0.6O3 thin films show smooth surface morphology, denser structure. At an applied electric field of 400 kV/cm, The remnant polarization (Pr) and coercive field (Ec) of the PbZr0.4Ti0.6O3 thin films were obtained from the P-V loop measurements about 14.6 μC/cm2 and 41 kV/cm, respectively. LaNiO3/PbZr0.4Ti0.6O3/ LaNiO3 show little polarization degradation after 108 fatigue cycles. The effect of Pb content in precursor solution on microstructure and polarization properties of LaNiO3/PbZr0.4 Ti0.6O3/LaNiO3 were investigated.

Original languageEnglish
Pages (from-to)72-75
Number of pages4
JournalYadian Yu Shengguang/Piezoelectrics and Acoustooptics
Volume28
Issue number1
StatePublished - Feb 2006
Externally publishedYes

Keywords

  • Fatigue properties
  • Heterostructures
  • LaNiO thin films
  • PbZrTiO ferroelectric thin films

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