New low-dielectric-loss NiZrNb2O8 ceramics for microwave application

Wang Suo Xia; Fan Yu Yang; Guo Ying Zhang; Kui Han; De Chun Guo

doi:10.1016/j.jallcom.2015.10.008

New low-dielectric-loss NiZrNb₂O₈ ceramics for microwave application

Wang Suo Xia^*, Fan Yu Yang, Guo Ying Zhang, Kui Han, De Chun Guo

^*此作品的通讯作者

集成电路与电子学院

科研成果: 期刊稿件 › 文章 › 同行评审

56 引用（Scopus）

摘要

New low-loss NiZrNb₂O₈ microwave dielectric ceramics were synthesized via conventional mixed oxide route. The morphology, crystal structure and microwave dielectric properties were investigated. It exhibited a monoclinic wolframite crystal structure, with the space group of P2/c (C2h4). The lattice energy was carried out to evaluate the structural stability and sintering characteristics. Two kinds of grain shapes in dense samples, with similar elements ratios, were observed. Variations in the dielectric constant (ε_r) were analyzed by relative density and porosity-corrected polarizability. The quality factor (Q × ) was correlated with packing fraction and grain growth. The temperature coefficient of resonant (τ) was depended on the dielectric constant. The typical microwave dielectric properties of NiZrNb₂O₈ were ε_r = 23.77, Q × = 40280 GHz, τ = -27.5 ppm/°C, sintered at 1200 °C.

源语言	英语
页（从-至）	470-475
页数	6
期刊	Journal of Alloys and Compounds
卷	656
DOI	https://doi.org/10.1016/j.jallcom.2015.10.008
出版状态	已出版 - 25 1月 2016

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10.1016/j.jallcom.2015.10.008

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@article{5239d4adb6d6440b80efb154c0c75861,

title = "New low-dielectric-loss NiZrNb2O8 ceramics for microwave application",

abstract = "New low-loss NiZrNb2O8 microwave dielectric ceramics were synthesized via conventional mixed oxide route. The morphology, crystal structure and microwave dielectric properties were investigated. It exhibited a monoclinic wolframite crystal structure, with the space group of P2/c (C2h4). The lattice energy was carried out to evaluate the structural stability and sintering characteristics. Two kinds of grain shapes in dense samples, with similar elements ratios, were observed. Variations in the dielectric constant (εr) were analyzed by relative density and porosity-corrected polarizability. The quality factor (Q × ) was correlated with packing fraction and grain growth. The temperature coefficient of resonant (τ) was depended on the dielectric constant. The typical microwave dielectric properties of NiZrNb2O8 were εr = 23.77, Q × = 40280 GHz, τ = -27.5 ppm/°C, sintered at 1200 °C.",

keywords = "Ceramics, Microstructure, Microwave dielectric properties, NiZrNbO, Packing fraction",

author = "Xia, {Wang Suo} and Yang, {Fan Yu} and Zhang, {Guo Ying} and Kui Han and Guo, {De Chun}",

note = "Publisher Copyright: {\textcopyright} 2015 Elsevier B.V.",

year = "2016",

month = jan,

day = "25",

doi = "10.1016/j.jallcom.2015.10.008",

language = "English",

volume = "656",

pages = "470--475",

journal = "Journal of Alloys and Compounds",

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TY - JOUR

T1 - New low-dielectric-loss NiZrNb2O8 ceramics for microwave application

AU - Xia, Wang Suo

AU - Yang, Fan Yu

AU - Zhang, Guo Ying

AU - Han, Kui

AU - Guo, De Chun

PY - 2016/1/25

Y1 - 2016/1/25

N2 - New low-loss NiZrNb2O8 microwave dielectric ceramics were synthesized via conventional mixed oxide route. The morphology, crystal structure and microwave dielectric properties were investigated. It exhibited a monoclinic wolframite crystal structure, with the space group of P2/c (C2h4). The lattice energy was carried out to evaluate the structural stability and sintering characteristics. Two kinds of grain shapes in dense samples, with similar elements ratios, were observed. Variations in the dielectric constant (εr) were analyzed by relative density and porosity-corrected polarizability. The quality factor (Q × ) was correlated with packing fraction and grain growth. The temperature coefficient of resonant (τ) was depended on the dielectric constant. The typical microwave dielectric properties of NiZrNb2O8 were εr = 23.77, Q × = 40280 GHz, τ = -27.5 ppm/°C, sintered at 1200 °C.

AB - New low-loss NiZrNb2O8 microwave dielectric ceramics were synthesized via conventional mixed oxide route. The morphology, crystal structure and microwave dielectric properties were investigated. It exhibited a monoclinic wolframite crystal structure, with the space group of P2/c (C2h4). The lattice energy was carried out to evaluate the structural stability and sintering characteristics. Two kinds of grain shapes in dense samples, with similar elements ratios, were observed. Variations in the dielectric constant (εr) were analyzed by relative density and porosity-corrected polarizability. The quality factor (Q × ) was correlated with packing fraction and grain growth. The temperature coefficient of resonant (τ) was depended on the dielectric constant. The typical microwave dielectric properties of NiZrNb2O8 were εr = 23.77, Q × = 40280 GHz, τ = -27.5 ppm/°C, sintered at 1200 °C.

KW - Ceramics

KW - Microstructure

KW - Microwave dielectric properties

KW - NiZrNbO

KW - Packing fraction

UR - http://www.scopus.com/inward/record.url?scp=84944270218&partnerID=8YFLogxK

U2 - 10.1016/j.jallcom.2015.10.008

DO - 10.1016/j.jallcom.2015.10.008

M3 - Article

AN - SCOPUS:84944270218

SN - 0925-8388

VL - 656

SP - 470

EP - 475

JO - Journal of Alloys and Compounds

JF - Journal of Alloys and Compounds

ER -

New low-dielectric-loss NiZrNb2O8 ceramics for microwave application

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New low-dielectric-loss NiZrNb₂O₈ ceramics for microwave application