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Synthesis and dielectric properties of HCa2Nb3O 10 layered structure ceramics

Title
Synthesis and dielectric properties of HCa2Nb3O 10 layered structure ceramics
Authors
Yim H.Yoo S.-Y.Nahm S.Hwang S.-J.Yoon S.-J.Choi J.-W.
Ewha Authors
황성주
SCOPUS Author ID
황성주scopus
Issue Date
2013
Journal Title
Ceramics International
ISSN
0272-8842JCR Link
Citation
vol. 39, no. SUPPL.1, pp. S611 - S614
Indexed
SCI; SCIE; SCOPUS WOS 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. © 2012 Elsevier Ltd and Techna Group S.r.l.
DOI
10.1016/j.ceramint.2012.10.146
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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