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

College of Materials Science and Engineering

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

11 Scopus citations

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.

Original language	English
Pages (from-to)	2597-2600
Number of pages	4
Journal	Ceramics International
Volume	38
Issue number	3
DOIs	https://doi.org/10.1016/j.ceramint.2011.10.062
State	Published - Apr 2012

Keywords

Co substitution
Microwave dielectric properties
Nd(Zn Ti )O
Solid solution

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10.1016/j.ceramint.2011.10.062

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

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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journal = "Ceramics International",

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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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EP - 2600

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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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