Synthesis and dielectric properties of HCa2Nb3O 10 layered structure ceramics

Haena Yim, So Yeon Yoo, Sahn Nahm, Seong Ju Hwang, Seok Jin Yoon, Ji Won Choi

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We studied the structural and dielectric properties of KCa 2Nb3O10 (KCNO) and HCa2Nb 3O10 (HCNO) ceramics. HCNO ceramics were synthesized from KCNO powders with layered perovskite structure by chemical ion-exchange method at room temperature. After exchanging K+ with H+, the layered perovskite structure was retained in HCNO as well. Although the dielectric constant of KCNO altered with increase in frequency, HCNO showed a constant relative dielectric permittivity (εr) of around 23.5 and a low dielectric loss (tan δ) of 0.009 at a range of frequencies.

Original languageEnglish
Pages (from-to)S611-S614
JournalCeramics International
Volume39
Issue numberSUPPL.1
DOIs
Publication statusPublished - 2013 May

Keywords

  • C. Dielectric properties
  • D. Niobates
  • E. Capacitors

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Process Chemistry and Technology
  • Surfaces, Coatings and Films
  • Materials Chemistry

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