Co取代对Nd(Zn0.5Ti0.5)O3微波介质陶瓷结构与性能的影响

Jiamao Li; Chuangang Fan; Lichun Yao; Tai Qiu

doi:10.12034/j.issn.1009-606X.217275

Co取代对Nd(Zn_0.5Ti_0.5)O₃微波介质陶瓷结构与性能的影响

Translated title of the contribution: Effects of Co Substitution on Structure and Microwave Dielectric Properties of Nd(Zn_0.5Ti_0.5)O₃ Ceramics

Jiamao Li, Chuangang Fan, Lichun Yao, Tai Qiu

College of Materials Science and Engineering

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

3 Scopus citations

Abstract

Nd[(Zn_1-xCo_x)_0.5Ti_0.5]O₃ (0≤x≤0.9) microwave dielectric ceramics were prepared by a conventional solid-state route. The effects of Co²⁺ B-site substitution Zn²⁺ on the structure and microwave dielectric properties of Nd(Zn_0.5Ti_0.5)O₃ ceramics were extensively investigated. The results showed that a solid solution with the monoclinic perovskite structure was formed in the investigated compositional range. The relative dielectric constant ε_r decreased gradually and the temperature coefficient of resonant frequency τ_f moved to a positive tendency with the increase of Co substitution. The quality factor Q×f initially increased to a maximum value of 215130 GHz at x=0.3 mol and thereafter declined. The substantial rise of Q×f might be attributed to the improvement of B-site cation ordering. Nd[(Zn_0.7Co_0.3)_0.5Ti_0.5]O₃ ceramics had good microwave dielectric properties sinteringat 1410℃ for 4 h, ε_r=31.2, Q×f=215130 GHz, τ_f=-35.7×10^-6℃^-1.

Translated title of the contribution	Effects of Co Substitution on Structure and Microwave Dielectric Properties of Nd(Zn_0.5Ti_0.5)O₃ Ceramics
Original language	Chinese (Traditional)
Pages (from-to)	411-416
Number of pages	6
Journal	Guocheng Gongcheng Xuebao/The Chinese Journal of Process Engineering
Volume	18
Issue number	2
DOIs	https://doi.org/10.12034/j.issn.1009-606X.217275
State	Published - 1 Apr 2018

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title = "Co取代对Nd(Zn0.5Ti0.5)O3微波介质陶瓷结构与性能的影响",

abstract = "Nd[(Zn1-xCox)0.5Ti0.5]O3 (0≤x≤0.9) microwave dielectric ceramics were prepared by a conventional solid-state route. The effects of Co2+ B-site substitution Zn2+ on the structure and microwave dielectric properties of Nd(Zn0.5Ti0.5)O3 ceramics were extensively investigated. The results showed that a solid solution with the monoclinic perovskite structure was formed in the investigated compositional range. The relative dielectric constant εr decreased gradually and the temperature coefficient of resonant frequency τf moved to a positive tendency with the increase of Co substitution. The quality factor Q×f initially increased to a maximum value of 215130 GHz at x=0.3 mol and thereafter declined. The substantial rise of Q×f might be attributed to the improvement of B-site cation ordering. Nd[(Zn0.7Co0.3)0.5Ti0.5]O3 ceramics had good microwave dielectric properties sinteringat 1410℃ for 4 h, εr=31.2, Q×f=215130 GHz, τf=-35.7×10-6℃-1.",

keywords = "Ion substitution, Microwave dielectric property, Nd(ZnTi)O, Sinter",

author = "Jiamao Li and Chuangang Fan and Lichun Yao and Tai Qiu",

year = "2018",

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doi = "10.12034/j.issn.1009-606X.217275",

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journal = "Guocheng Gongcheng Xuebao/The Chinese Journal of Process Engineering",

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T1 - Co取代对Nd(Zn0.5Ti0.5)O3微波介质陶瓷结构与性能的影响

AU - Li, Jiamao

AU - Fan, Chuangang

AU - Yao, Lichun

AU - Qiu, Tai

PY - 2018/4/1

Y1 - 2018/4/1

N2 - Nd[(Zn1-xCox)0.5Ti0.5]O3 (0≤x≤0.9) microwave dielectric ceramics were prepared by a conventional solid-state route. The effects of Co2+ B-site substitution Zn2+ on the structure and microwave dielectric properties of Nd(Zn0.5Ti0.5)O3 ceramics were extensively investigated. The results showed that a solid solution with the monoclinic perovskite structure was formed in the investigated compositional range. The relative dielectric constant εr decreased gradually and the temperature coefficient of resonant frequency τf moved to a positive tendency with the increase of Co substitution. The quality factor Q×f initially increased to a maximum value of 215130 GHz at x=0.3 mol and thereafter declined. The substantial rise of Q×f might be attributed to the improvement of B-site cation ordering. Nd[(Zn0.7Co0.3)0.5Ti0.5]O3 ceramics had good microwave dielectric properties sinteringat 1410℃ for 4 h, εr=31.2, Q×f=215130 GHz, τf=-35.7×10-6℃-1.

AB - Nd[(Zn1-xCox)0.5Ti0.5]O3 (0≤x≤0.9) microwave dielectric ceramics were prepared by a conventional solid-state route. The effects of Co2+ B-site substitution Zn2+ on the structure and microwave dielectric properties of Nd(Zn0.5Ti0.5)O3 ceramics were extensively investigated. The results showed that a solid solution with the monoclinic perovskite structure was formed in the investigated compositional range. The relative dielectric constant εr decreased gradually and the temperature coefficient of resonant frequency τf moved to a positive tendency with the increase of Co substitution. The quality factor Q×f initially increased to a maximum value of 215130 GHz at x=0.3 mol and thereafter declined. The substantial rise of Q×f might be attributed to the improvement of B-site cation ordering. Nd[(Zn0.7Co0.3)0.5Ti0.5]O3 ceramics had good microwave dielectric properties sinteringat 1410℃ for 4 h, εr=31.2, Q×f=215130 GHz, τf=-35.7×10-6℃-1.

KW - Ion substitution

KW - Microwave dielectric property

KW - Nd(ZnTi)O

KW - Sinter

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JO - Guocheng Gongcheng Xuebao/The Chinese Journal of Process Engineering

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ER -

Co取代对Nd(Zn_0.5Ti_0.5)O₃微波介质陶瓷结构与性能的影响

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