Synthesis and dielectric properties of HCa2Nb3O10 layered structure ceramics

Title
Synthesis and dielectric properties of HCa2Nb3O10 layered structure ceramics
Authors
임해나류소연남산황성주윤석진최지원
Keywords
Dielectric properties; Niobates; Capacitors
Issue Date
2013-05
Publisher
Ceramics international
Citation
VOL 39, S611-S614
Abstract
We studied the structural and dielectric properties of KCa2Nb3O10 (KCNO) and HCa2Nb3O10 (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.
URI
http://pubs.kist.re.kr/handle/201004/44705
ISSN
02728842
Appears in Collections:
KIST Publication > Article
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