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Effect of excess Pb on ferroelectric characteristics of conductive Al-doped ZnO and Sn-doped In2O3 top electrodes in PbLaZrTiOx capacitors

  • Yoko Takada , Toru Tsuji , Naoki Okamoto , Takeyasu Saito , Kazuo Kondo , Takeshi Yoshimura , Norifumi Fujimura , Koji Higuchi , Akira Kitajima and Akihiro Oshima
Published/Copyright: January 7, 2015
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 106 Issue 1

Abstract

The Pb content effect of chemical solution deposited lanthanum-doped lead zirconate titanate (PLZT) (Pb:La:Zr:Ti = Pb:3:30:70, Pb = 105∼117) was studied for conductive aluminum-doped zinc oxide (AZO) and tin-doped indium oxide (ITO) deposited as top electrodes by means of pulsed laser deposition. The crystallinity, surface morphology, ferroelectric properties and hydrogen degradation resistance of the ITO/PLZT/Pt and AZO/PLZT/Pt capacitors were evaluated. All the PLZT films showed perovskite phase (revealed by X-ray diffraction patterns) and showed similar surface morphology and grain size (revealed by scanning electron microscopy images). PLZT capacitors with a Pb content of 113 exhibited the largest remnant polarization (at 15 V (300 kV cm−1)), however, the difference in hydrogen degradation resistance was small between the four levels of Pb content.

Keywords: Ferroelectrics; Conductive oxide materials; Pulsed laser deposition; Process degradation; Capacitor
* Correspondence address, Associate Professor Takeyasu Saito, Osaka Prefecture University, #4B40 B5 Bldg., 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka, Japan. Tel.: +81-72-254-9303, Fax: +81-72-254-9303, E-mail:

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Received: 2014-01-19
Accepted: 2014-08-15
Published Online: 2015-01-07
Published in Print: 2015-01-09

© 2015, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.111154
Keywords for this article
Ferroelectrics; Conductive oxide materials; Pulsed laser deposition; Process degradation; Capacitor

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. A novel roll-bonding methodology for the cross-scale analysis of phase properties and interactions in multiphase structural materials
  5. Excellent cold rollability in a single pass of an Mg-4Er (wt.%) alloy
  6. An experimental study of the precipitation kinetics of pre-rolled Ni-Span-C 902 superalloy
  7. Influences of high temperature on the microstructural, electrical and mechanical properties of Ni-23 wt.% Al alloy
  8. Investigation of the wear resistance and microstructure of Al/SiC metal matrix composites as a function of reinforcement volume fraction and reinforcement to matrix particle size ratio applying artificial neural network
  9. Influence of zinc (II) ion concentration on Ni–Zn–P coatings deposited onto aluminum and their corrosion behavior
  10. Joining steel to aluminum alloy by resistance spot welding with a rivet
  11. Electrophysical and structure-sensitive properties of liquid Ga–In alloys
  12. Short Communications
  13. Synthesis and characterization of the novel nanocomposite Co(OH)2/graphene as supercapacitor materials
  14. Preparation of MnAlC flakes by surfactant-assisted ball-milling and the effects of annealing
  15. An improved two-stage sintering method for tungsten heavy alloys: conventional solid-phase sintering followed by microwave heating
  16. Effect of excess Pb on ferroelectric characteristics of conductive Al-doped ZnO and Sn-doped In2O3 top electrodes in PbLaZrTiOx capacitors
  17. Effects of La–Zn substituent and calcination temperature on the microstructure and magnetic properties of Sr-ferrites
  18. Predicting the corrosion tendency of α-brass in acidic and alkaline tap water
  19. People
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