EFFECT OF FIRING TEMPERATURE ON THE PHASE FORMATION, MICROSTRUCTURE, AND ELECTRICAL PROPERTIES OF BST-BZN CERAMICS

Phase Formation and Electrical Properties of BST-BZN Ceramics

Authors

  • Widchaya Somsri Department of Physics, Faculty of Science, Naresuan University
  • Panadda Duangkeaw Department of Physics, Faculty of Science, Naresuan University
  • Rattiphorn Sumang Program of Physics, Faculty of Science and Technology, Pibulsongkram Rajabhat University
  • Phieraya Pulphol Department of Materials Science, Faculty of Science, Srinakharinwirot University
  • Naratip Vittayakorn Advanced Materials Research Unit, Faculty of Science, King Mongkut's Institute of Technology Ladkrabang
  • Nipaphat Charoenthai Department of Chemistry and Center for Innovation in Chemistry, Faculty of Science, Naresuan University
  • Theerachai Bongkarn Department of Physics, Faculty of Science, Naresuan University

DOI:

https://doi.org/10.55766/sujst10134

Keywords:

BST-BZN, Combustion Technique, Dielectric, Ferroelectric

Abstract

Lead-free 0.88Ba0.8Sr0.2TiO3-0.12Bi(Zn2/3Nb1/3)O3 (BST-BZN) ceramics were prepared by the solid-state combustion technique, using glycine as fuel. The BST-BZN ceramics were calcined between 900-1100°C for 2 h and sintered between 1300-1400°C for 2 h. A pure perovskite phase with a pseudo-cubic structure was observed by XRD and confirmed by the Rietveld refinement technique. The average particle and grain sizes tended to increase with increased calcination and sintering temperatures. The measured density was in the range of 5.65-5.90 g/cm3. The dielectric constant (εr) and dielectric loss (tan δr) decreased with increased sintering temperatures, up to 1350°C and then increased. The energy storage density (Wtotal) and energy storage efficiency (η) of the ceramics were 0.488 J/cm3 and 94.1% measured at 100 kV/cm, respectively, obtained by the sample sintered at 1375°C

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Published

2025-07-17

How to Cite

Somsri, W., Duangkeaw, P., Sumang, R., Pulphol, P., Vittayakorn, N., Charoenthai, N., & Bongkarn, T. (2025). EFFECT OF FIRING TEMPERATURE ON THE PHASE FORMATION, MICROSTRUCTURE, AND ELECTRICAL PROPERTIES OF BST-BZN CERAMICS: Phase Formation and Electrical Properties of BST-BZN Ceramics. Suranaree Journal of Science and Technology, 32(2), 030253(1–7). https://doi.org/10.55766/sujst10134

Issue

Vol. 32 No. 2 (2025): March - April

Section

Research Article

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