Microwave dielectric properties of Nd[(Zn 1-xCo x) 0.5Ti 0.5]O 3 (0.025 ≤ x ≤ 0.1) ceramics

Jiamao Li; Tai Qiu

doi:10.1016/j.ceramint.2011.10.062

Microwave dielectric properties of Nd[(Zn _1-xCo _x) _0.5Ti _0.5]O ₃ (0.025 ≤ x ≤ 0.1) ceramics

Jiamao Li, Tai Qiu

材料科学与工程学院

科研成果: 期刊稿件 › 文章 › 同行评审

11 引用（Scopus）

摘要

Microwave dielectric properties of Nd[(Zn _1-xCo _x) _0.5Ti _0.5]O ₃ (0.025 ≤ x ≤ 0.1) ceramics have been investigated. Solid solutions were formed for the ceramic system in the given compositional range. With x increasing from 0.025 to 0.1, dielectric constant value (ε _r) decreased slightly from 33.4 to 32.2, and τ _f value increased from -30.3 to -31.9 ppm/°C. Dielectric loss of the Nd(Zn _0.5Ti _0.5)O ₃ ceramics could be decreased by the small amount of Co substitution. Excellent microwave dielectric properties of ε _r = 32.6, Q × f = 185,300 GHz and τ _f = -31.3 ppm/°C were obtained for the Nd[(Zn _0.925Co _0.075) _0.5Ti _0.5]O ₃ (x = 0.075) ceramics sintered at 1390°C for 4 h.

源语言	英语
页（从-至）	2597-2600
页数	4
期刊	Ceramics International
卷	38
期	3
DOI	https://doi.org/10.1016/j.ceramint.2011.10.062
出版状态	已出版 - 4月 2012

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10.1016/j.ceramint.2011.10.062

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abstract = "Microwave dielectric properties of Nd[(Zn 1-xCo x) 0.5Ti 0.5]O 3 (0.025 ≤ x ≤ 0.1) ceramics have been investigated. Solid solutions were formed for the ceramic system in the given compositional range. With x increasing from 0.025 to 0.1, dielectric constant value (ε r) decreased slightly from 33.4 to 32.2, and τ f value increased from -30.3 to -31.9 ppm/°C. Dielectric loss of the Nd(Zn 0.5Ti 0.5)O 3 ceramics could be decreased by the small amount of Co substitution. Excellent microwave dielectric properties of ε r = 32.6, Q × f = 185,300 GHz and τ f = -31.3 ppm/°C were obtained for the Nd[(Zn 0.925Co 0.075) 0.5Ti 0.5]O 3 (x = 0.075) ceramics sintered at 1390°C for 4 h.",

keywords = "Co substitution, Microwave dielectric properties, Nd(Zn Ti )O, Solid solution",

author = "Jiamao Li and Tai Qiu",

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T1 - Microwave dielectric properties of Nd[(Zn 1-xCo x) 0.5Ti 0.5]O 3 (0.025 ≤ x ≤ 0.1) ceramics

AU - Li, Jiamao

AU - Qiu, Tai

PY - 2012/4

Y1 - 2012/4

N2 - Microwave dielectric properties of Nd[(Zn 1-xCo x) 0.5Ti 0.5]O 3 (0.025 ≤ x ≤ 0.1) ceramics have been investigated. Solid solutions were formed for the ceramic system in the given compositional range. With x increasing from 0.025 to 0.1, dielectric constant value (ε r) decreased slightly from 33.4 to 32.2, and τ f value increased from -30.3 to -31.9 ppm/°C. Dielectric loss of the Nd(Zn 0.5Ti 0.5)O 3 ceramics could be decreased by the small amount of Co substitution. Excellent microwave dielectric properties of ε r = 32.6, Q × f = 185,300 GHz and τ f = -31.3 ppm/°C were obtained for the Nd[(Zn 0.925Co 0.075) 0.5Ti 0.5]O 3 (x = 0.075) ceramics sintered at 1390°C for 4 h.

AB - Microwave dielectric properties of Nd[(Zn 1-xCo x) 0.5Ti 0.5]O 3 (0.025 ≤ x ≤ 0.1) ceramics have been investigated. Solid solutions were formed for the ceramic system in the given compositional range. With x increasing from 0.025 to 0.1, dielectric constant value (ε r) decreased slightly from 33.4 to 32.2, and τ f value increased from -30.3 to -31.9 ppm/°C. Dielectric loss of the Nd(Zn 0.5Ti 0.5)O 3 ceramics could be decreased by the small amount of Co substitution. Excellent microwave dielectric properties of ε r = 32.6, Q × f = 185,300 GHz and τ f = -31.3 ppm/°C were obtained for the Nd[(Zn 0.925Co 0.075) 0.5Ti 0.5]O 3 (x = 0.075) ceramics sintered at 1390°C for 4 h.

KW - Co substitution

KW - Microwave dielectric properties

KW - Nd(Zn Ti )O

KW - Solid solution

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DO - 10.1016/j.ceramint.2011.10.062

M3 - 文章

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SN - 0272-8842

VL - 38

SP - 2597

EP - 2600

JO - Ceramics International

JF - Ceramics International

IS - 3

ER -

Microwave dielectric properties of Nd[(Zn 1-xCo x) 0.5Ti 0.5]O 3 (0.025 ≤ x ≤ 0.1) ceramics

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Microwave dielectric properties of Nd[(Zn _1-xCo _x) _0.5Ti _0.5]O ₃ (0.025 ≤ x ≤ 0.1) ceramics