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Improved dielectric performance of barium strontium titanate multilayered capacitor by means of pulsed laser deposition and slow injection sol–gel methods

  • Ruthramurthy Balachandran , Ong Boon Hoong , Wong Hin Yong , Tan Kar Ban , Yow Ho Kwang and Lee Wai Keat
Published/Copyright: May 8, 2014
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 105 Issue 5

Abstract

A Pt/BST/NiFe/Cu multilayered capacitor was fabricated incorporating a polycrystalline Ba0.5Sr0.5TiO3 (BST) film deposited using the pulsed laser deposition technique. Qualitative X-ray diffraction analysis confirmed a perovskite structure for the deposited BST dielectric films which were fired at various temperatures. No intermediate phase was discernable with a post-annealing temperature of 750 °C and highly crystallized thin film was obtained at a post-annealing temperature of 800 °C. The fabricated capacitor with a BST film thickness of 665 nm exhibited respectable electrical performance with a dielectric constant, k of 657, and a dielectric loss, tan δ = 0.0137 at room temperature at an applied frequency of 1 MHz. The recorded charge storage density and leakage current density were 4.6 μC cm−2 and 33 nA cm−2, respectively, with ± 5 V bias.

Keywords: Barium strontium titanate; Sol–gel process; Capacitor; Dielectric characteristics
* Correspondence address, R. Balachandran, Faculty of Engineering, Multimedia University63100, Cyberjaya, SelangorMalaysia, Tel.: +60-3-83125427, Fax: +60-3-83183029, E-mail:

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Received: 2013-09-09
Accepted: 2013-11-26
Published Online: 2014-05-08
Published in Print: 2014-05-13

© 2014, Carl Hanser Verlag, München

Articles in the same Issue

  1. Contents
  2. Contents
  3. Review
  4. Research trends in microwave dielectrics and factors affecting their properties: A review
  5. Original Contributions
  6. Efficiency and work performance of TiNi alloy undergoing B2 ↔ R martensitic transformation
  7. Fabrication of Gasar made from Cu-24 wt.% Mn alloy
  8. Effect of intermediate frequency electromagnetic field on the solidification structure and mechanical properties of direct chill cast Al-8 wt.%Si alloy
  9. Effect of Ni-based conversion coating and Ni–P electroless plating on the bonding process of pure Al and AZ31 alloy
  10. Effect of ball milling time on the synthesis of nanocrystalline merwinite via mechanical activation and heat treatment
  11. Structural and magnetic properties of Fe–Al2O3 soft magnetic composites prepared using the sol–gel method
  12. Improved dielectric performance of barium strontium titanate multilayered capacitor by means of pulsed laser deposition and slow injection sol–gel methods
  13. Effect of heat treatment on the slurry erosion resistance of high strength steel DP980
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  15. Short Communications
  16. Effects of rolling rate on microstructure and mechanical properties of Mg sheets
  17. Effect of post-weld heat treatment on dissimilar friction stir welded AA6063 and A319 aluminium alloys
  18. Dielectric and magnetic properties of Ba0.8Sr0.2TiO3 – Y3Fe5O12 – YFeO3 composites
  19. Microwave-assisted modulated synthesis of zirconium-based metal–organic framework (Zr-MOF) for hydrogen storage applications
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https://doi.org/10.3139/146.111045
Keywords for this article
Barium strontium titanate; Sol–gel process; Capacitor; Dielectric characteristics

Articles in the same Issue

  1. Contents
  2. Contents
  3. Review
  4. Research trends in microwave dielectrics and factors affecting their properties: A review
  5. Original Contributions
  6. Efficiency and work performance of TiNi alloy undergoing B2 ↔ R martensitic transformation
  7. Fabrication of Gasar made from Cu-24 wt.% Mn alloy
  8. Effect of intermediate frequency electromagnetic field on the solidification structure and mechanical properties of direct chill cast Al-8 wt.%Si alloy
  9. Effect of Ni-based conversion coating and Ni–P electroless plating on the bonding process of pure Al and AZ31 alloy
  10. Effect of ball milling time on the synthesis of nanocrystalline merwinite via mechanical activation and heat treatment
  11. Structural and magnetic properties of Fe–Al2O3 soft magnetic composites prepared using the sol–gel method
  12. Improved dielectric performance of barium strontium titanate multilayered capacitor by means of pulsed laser deposition and slow injection sol–gel methods
  13. Effect of heat treatment on the slurry erosion resistance of high strength steel DP980
  14. Development of biomimetic gelatin–chitosan/hydroxyapatite nanocomposite via double diffusion method for biomedical applications
  15. Short Communications
  16. Effects of rolling rate on microstructure and mechanical properties of Mg sheets
  17. Effect of post-weld heat treatment on dissimilar friction stir welded AA6063 and A319 aluminium alloys
  18. Dielectric and magnetic properties of Ba0.8Sr0.2TiO3 – Y3Fe5O12 – YFeO3 composites
  19. Microwave-assisted modulated synthesis of zirconium-based metal–organic framework (Zr-MOF) for hydrogen storage applications
  20. DGM News
  21. DGM News
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