Low temperature sintering and microwave dielectric properties of 0.6Ba(Co1/3Nb2/3)O3-0.4Ba(Ni1/3Nb2/3)O3 ceramics using copper additions

Cheng Hsing Hsu; Chuan Feng Shih; Cheng Chi Yu; Hsin Han Tung; Man Hsiang Chung

doi:10.1016/j.jallcom.2007.06.092

Low temperature sintering and microwave dielectric properties of 0.6Ba(Co_1/3Nb_2/3)O₃-0.4Ba(Ni_1/3Nb_2/3)O₃ ceramics using copper additions

Cheng Hsing Hsu, Chuan Feng Shih, Cheng Chi Yu, Hsin Han Tung, Man Hsiang Chung

Department of Electrical Engineering

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

32 Citations (Scopus)

Abstract

The dielectric properties and the microstructures of 0.6Ba(Co_1/3Nb_2/3)O₃-0.4Ba(Ni_1/3Nb_2/3)O₃ ceramics with CuO additions (0.25-1 wt%) prepared with conventional solid-state route have been investigated. It is found that 0.6Ba(Co_1/3Nb_2/3)O₃-0.4Ba(Ni_1/3Nb_2/3)O₃ ceramics can be sintered at 1270 °C due to the sintering aid of CuO addition. At 1270 °C, 0.6Ba(Co_1/3Nb_2/3)O₃-0.4Ba(Ni_1/3Nb_2/3)O₃ ceramics with 0.5 wt% CuO addition possesses a dielectric constant (ε_r) of 32.5, a Q × f value of 82,000 (9 GHz) and a temperature coefficients of resonant frequency (τ_f) of -21.2 ppm/°C. The CuO-doped 0.6Ba(Co_1/3Nb_2/3)O₃-0.4Ba(Ni_1/3Nb_2/3)O₃ ceramics can find applications in microwave devices requiring low sintering temperature.

Original language	English
Pages (from-to)	355-359
Number of pages	5
Journal	Journal of Alloys and Compounds
Volume	461
Issue number	1-2
DOIs	https://doi.org/10.1016/j.jallcom.2007.06.092
Publication status	Published - 2008 Aug 11

All Science Journal Classification (ASJC) codes

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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@article{746effdfd5854576b921332ec42eea9c,

title = "Low temperature sintering and microwave dielectric properties of 0.6Ba(Co1/3Nb2/3)O3-0.4Ba(Ni1/3Nb2/3)O3 ceramics using copper additions",

abstract = "The dielectric properties and the microstructures of 0.6Ba(Co1/3Nb2/3)O3-0.4Ba(Ni1/3Nb2/3)O3 ceramics with CuO additions (0.25-1 wt%) prepared with conventional solid-state route have been investigated. It is found that 0.6Ba(Co1/3Nb2/3)O3-0.4Ba(Ni1/3Nb2/3)O3 ceramics can be sintered at 1270 °C due to the sintering aid of CuO addition. At 1270 °C, 0.6Ba(Co1/3Nb2/3)O3-0.4Ba(Ni1/3Nb2/3)O3 ceramics with 0.5 wt% CuO addition possesses a dielectric constant (εr) of 32.5, a Q × f value of 82,000 (9 GHz) and a temperature coefficients of resonant frequency (τf) of -21.2 ppm/°C. The CuO-doped 0.6Ba(Co1/3Nb2/3)O3-0.4Ba(Ni1/3Nb2/3)O3 ceramics can find applications in microwave devices requiring low sintering temperature.",

author = "Hsu, {Cheng Hsing} and Shih, {Chuan Feng} and Yu, {Cheng Chi} and Tung, {Hsin Han} and Chung, {Man Hsiang}",

year = "2008",

month = aug,

day = "11",

doi = "10.1016/j.jallcom.2007.06.092",

language = "English",

volume = "461",

pages = "355--359",

journal = "Journal of Alloys and Compounds",

issn = "0925-8388",

publisher = "Elsevier BV",

number = "1-2",

}

Low temperature sintering and microwave dielectric properties of 0.6Ba(Co_1/3Nb_2/3)O₃-0.4Ba(Ni_1/3Nb_2/3)O₃ ceramics using copper additions. / Hsu, Cheng Hsing; Shih, Chuan Feng; Yu, Cheng Chi; Tung, Hsin Han; Chung, Man Hsiang.

In: Journal of Alloys and Compounds, Vol. 461, No. 1-2, 11.08.2008, p. 355-359.

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

TY - JOUR

T1 - Low temperature sintering and microwave dielectric properties of 0.6Ba(Co1/3Nb2/3)O3-0.4Ba(Ni1/3Nb2/3)O3 ceramics using copper additions

AU - Hsu, Cheng Hsing

AU - Shih, Chuan Feng

AU - Yu, Cheng Chi

AU - Tung, Hsin Han

AU - Chung, Man Hsiang

PY - 2008/8/11

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N2 - The dielectric properties and the microstructures of 0.6Ba(Co1/3Nb2/3)O3-0.4Ba(Ni1/3Nb2/3)O3 ceramics with CuO additions (0.25-1 wt%) prepared with conventional solid-state route have been investigated. It is found that 0.6Ba(Co1/3Nb2/3)O3-0.4Ba(Ni1/3Nb2/3)O3 ceramics can be sintered at 1270 °C due to the sintering aid of CuO addition. At 1270 °C, 0.6Ba(Co1/3Nb2/3)O3-0.4Ba(Ni1/3Nb2/3)O3 ceramics with 0.5 wt% CuO addition possesses a dielectric constant (εr) of 32.5, a Q × f value of 82,000 (9 GHz) and a temperature coefficients of resonant frequency (τf) of -21.2 ppm/°C. The CuO-doped 0.6Ba(Co1/3Nb2/3)O3-0.4Ba(Ni1/3Nb2/3)O3 ceramics can find applications in microwave devices requiring low sintering temperature.

AB - The dielectric properties and the microstructures of 0.6Ba(Co1/3Nb2/3)O3-0.4Ba(Ni1/3Nb2/3)O3 ceramics with CuO additions (0.25-1 wt%) prepared with conventional solid-state route have been investigated. It is found that 0.6Ba(Co1/3Nb2/3)O3-0.4Ba(Ni1/3Nb2/3)O3 ceramics can be sintered at 1270 °C due to the sintering aid of CuO addition. At 1270 °C, 0.6Ba(Co1/3Nb2/3)O3-0.4Ba(Ni1/3Nb2/3)O3 ceramics with 0.5 wt% CuO addition possesses a dielectric constant (εr) of 32.5, a Q × f value of 82,000 (9 GHz) and a temperature coefficients of resonant frequency (τf) of -21.2 ppm/°C. The CuO-doped 0.6Ba(Co1/3Nb2/3)O3-0.4Ba(Ni1/3Nb2/3)O3 ceramics can find applications in microwave devices requiring low sintering temperature.

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