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Journal of Materials Science

, Volume 43, Issue 10, pp 3412–3416 | Cite as

Dielectric properties of Yb2O3-doped barium strontium calcium titanate thick films for microwave device applications

  • Hyun-Ji Noh
  • Sung-Gap LeeEmail author
  • Sang-Eun Yoon
  • Sang-Man Park
NanoSmat 2007 - International Conference on Surfaces, Coatings and Nanostructured Materials

Abstract

(Ba0.56Sr0.34Ca0.10)TiO3 (BSCT) thick films doped with 0.1 mol% MnCO3 and Yb2O3 (0.1–0.7 mol%) were fabricated by the screen-printing method on the alumina substrate. The structural and electrical properties as a function of Yb2O3 amount were investigated. All BSCT thick films showed the formation of a complete solid solution in a cubic perovskite polycrystalline structure. Average grain size of the specimen doped with 0.7 mol% Yb2O3 was about 2.7 μm. The thickness of all BSCT thick films was approximately 50–55 μm. The relative dielectric constant, dielectric loss, and tunability of the BSCT thick films doped with 0.3 mol% Yb2O3 were 2,966, 0.7, and 14.3%, respectively.

Keywords

BaTiO3 Thick Film Relative Dielectric Constant Yb2O3 Donor Dopant 

Notes

Acknowledgement

This work has been supported by KESRI (R-2005–7-094), which is funded by MOCIE (Ministry of commerce, industry, and energy).

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • Hyun-Ji Noh
    • 1
  • Sung-Gap Lee
    • 1
    Email author
  • Sang-Eun Yoon
    • 1
  • Sang-Man Park
    • 1
  1. 1.Department of Ceramic Engineering, Engineering Research Institute, i-Cube CenterGyeongsang National UniversityGyeongnamKorea

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