Effect of Nb2O5/ZnO Addition on Microwave Properties of (Zr0.8Sn0.2)TiO4 Ceramics

Yong Hwan Park; Ji Man Ryu; Moo Young Shin; Kyung Hyun Ko; Dong Wan Kim; Kug Sun Hong

doi:10.1111/j.1151-2916.2001.tb01050.x

Effect of Nb₂O₅/ZnO Addition on Microwave Properties of (Zr_0.8Sn_0.2)TiO₄ Ceramics

Yong Hwan Park, Ji Man Ryu, Moo Young Shin, Kyung Hyun Ko, Dong Wan Kim, Kug Sun Hong

Research output: Contribution to journal › Article › peer-review

21 Citations (Scopus)

Abstract

The effects of Nb₂O₅ and ZnO addition on the dielectric properties, especially the quality factor, of (Zr_0.8Sn_0.2)TiO₄ (ZST) ceramics were investigated in terms of the sintered density acquired by the zinc. For ZST ceramics with 2 mol% added ZnO, the relative density of the samples decreased with >0.5 mol% addition of Nb₂O₅. On the other hand, for samples with 6 mol% added ZnO, the relative density remained >97%, even when the amount of Nb₂O₅ was increased to 2.0 mol%. When >0.5 mol% Nb₂O₅ was added, both the quality factor and the dielectric constant exhibited similar trends with sintered density. The ZST ceramics with 6 mol% added ZnO, especially, still manifested a quality factor >40 000 and a dielectric constant of 37, even when the amount of Nb₂O₅ was increased, values that are not explainable by the previously suggested electronic defect model.

Original language	English
Pages (from-to)	2542-2546
Number of pages	5
Journal	Journal of the American Ceramic Society
Volume	84
Issue number	11
DOIs	https://doi.org/10.1111/j.1151-2916.2001.tb01050.x
Publication status	Published - 2001 Nov
Externally published	Yes

ASJC Scopus subject areas

Ceramics and Composites
Materials Chemistry

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10.1111/j.1151-2916.2001.tb01050.x

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title = "Effect of Nb2O5/ZnO Addition on Microwave Properties of (Zr0.8Sn0.2)TiO4 Ceramics",

abstract = "The effects of Nb2O5 and ZnO addition on the dielectric properties, especially the quality factor, of (Zr0.8Sn0.2)TiO4 (ZST) ceramics were investigated in terms of the sintered density acquired by the zinc. For ZST ceramics with 2 mol% added ZnO, the relative density of the samples decreased with >0.5 mol% addition of Nb2O5. On the other hand, for samples with 6 mol% added ZnO, the relative density remained >97%, even when the amount of Nb2O5 was increased to 2.0 mol%. When >0.5 mol% Nb2O5 was added, both the quality factor and the dielectric constant exhibited similar trends with sintered density. The ZST ceramics with 6 mol% added ZnO, especially, still manifested a quality factor >40 000 and a dielectric constant of 37, even when the amount of Nb2O5 was increased, values that are not explainable by the previously suggested electronic defect model.",

author = "Park, {Yong Hwan} and Ryu, {Ji Man} and Shin, {Moo Young} and Ko, {Kyung Hyun} and Kim, {Dong Wan} and Hong, {Kug Sun}",

year = "2001",

month = nov,

doi = "10.1111/j.1151-2916.2001.tb01050.x",

language = "English",

volume = "84",

pages = "2542--2546",

journal = "Journal of the American Ceramic Society",

issn = "0002-7820",

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T1 - Effect of Nb2O5/ZnO Addition on Microwave Properties of (Zr0.8Sn0.2)TiO4 Ceramics

AU - Park, Yong Hwan

AU - Ryu, Ji Man

AU - Shin, Moo Young

AU - Ko, Kyung Hyun

AU - Kim, Dong Wan

AU - Hong, Kug Sun

PY - 2001/11

Y1 - 2001/11

N2 - The effects of Nb2O5 and ZnO addition on the dielectric properties, especially the quality factor, of (Zr0.8Sn0.2)TiO4 (ZST) ceramics were investigated in terms of the sintered density acquired by the zinc. For ZST ceramics with 2 mol% added ZnO, the relative density of the samples decreased with >0.5 mol% addition of Nb2O5. On the other hand, for samples with 6 mol% added ZnO, the relative density remained >97%, even when the amount of Nb2O5 was increased to 2.0 mol%. When >0.5 mol% Nb2O5 was added, both the quality factor and the dielectric constant exhibited similar trends with sintered density. The ZST ceramics with 6 mol% added ZnO, especially, still manifested a quality factor >40 000 and a dielectric constant of 37, even when the amount of Nb2O5 was increased, values that are not explainable by the previously suggested electronic defect model.

AB - The effects of Nb2O5 and ZnO addition on the dielectric properties, especially the quality factor, of (Zr0.8Sn0.2)TiO4 (ZST) ceramics were investigated in terms of the sintered density acquired by the zinc. For ZST ceramics with 2 mol% added ZnO, the relative density of the samples decreased with >0.5 mol% addition of Nb2O5. On the other hand, for samples with 6 mol% added ZnO, the relative density remained >97%, even when the amount of Nb2O5 was increased to 2.0 mol%. When >0.5 mol% Nb2O5 was added, both the quality factor and the dielectric constant exhibited similar trends with sintered density. The ZST ceramics with 6 mol% added ZnO, especially, still manifested a quality factor >40 000 and a dielectric constant of 37, even when the amount of Nb2O5 was increased, values that are not explainable by the previously suggested electronic defect model.

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IS - 11

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Effect of Nb₂O₅/ZnO Addition on Microwave Properties of (Zr_0.8Sn_0.2)TiO₄ Ceramics

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