Influence of Al2O3 on the dielectric properties of (Ca0.7Nd0.3)(Ti0.7 Al0.3)O3 ceramics

Yuxian Han; Tai Qiu

Influence of Al₂O₃ on the dielectric properties of (Ca_0.7Nd_0.3)(Ti_0.7 Al_0.3)O₃ ceramics

Yuxian Han, Tai Qiu

College of Materials Science and Engineering

Nanjing Tech University

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

2 Scopus citations

Abstract

(Ca_0.7Nd_0.3) (Ti_0.7Al_0.3)O₃ microwave dielectric ceramics with different contents of Al₂O₃ were prepared. The inference of Al₂O₃ on the sintering characters, dielectric properties and microwave structures of the (Ca_0.7Nd_0.3) (Ti_0.7Al_0.3)O₃ ceramics was studied by XRD, SEM, EDS and so on. The results showed that the addition of Al₂O₃ did not change the main crystal phase, and promoted the growth of the crystal grain and reduced the sintering temperature efficiently. With the increase of the content of Al₂O₃, the εr does not change significantly, but the Q×f values can be up to the maximum of 25 153 GHz.

Original language	English
Pages (from-to)	464-466
Number of pages	3
Journal	Yadian Yu Shengguang/Piezoelectrics and Acoustooptics
Volume	32
Issue number	3
State	Published - Jun 2010

Keywords

AlO
CaTiO- NdAlO
Microwave dielectric ceramics

Cite this

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title = "Influence of Al2O3 on the dielectric properties of (Ca0.7Nd0.3)(Ti0.7 Al0.3)O3 ceramics",

abstract = "(Ca0.7Nd0.3) (Ti0.7Al0.3)O3 microwave dielectric ceramics with different contents of Al2O3 were prepared. The inference of Al2O3 on the sintering characters, dielectric properties and microwave structures of the (Ca0.7Nd0.3) (Ti0.7Al0.3)O3 ceramics was studied by XRD, SEM, EDS and so on. The results showed that the addition of Al2O3 did not change the main crystal phase, and promoted the growth of the crystal grain and reduced the sintering temperature efficiently. With the increase of the content of Al2O3, the εr does not change significantly, but the Q×f values can be up to the maximum of 25 153 GHz.",

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author = "Yuxian Han and Tai Qiu",

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T1 - Influence of Al2O3 on the dielectric properties of (Ca0.7Nd0.3)(Ti0.7 Al0.3)O3 ceramics

AU - Han, Yuxian

AU - Qiu, Tai

PY - 2010/6

Y1 - 2010/6

N2 - (Ca0.7Nd0.3) (Ti0.7Al0.3)O3 microwave dielectric ceramics with different contents of Al2O3 were prepared. The inference of Al2O3 on the sintering characters, dielectric properties and microwave structures of the (Ca0.7Nd0.3) (Ti0.7Al0.3)O3 ceramics was studied by XRD, SEM, EDS and so on. The results showed that the addition of Al2O3 did not change the main crystal phase, and promoted the growth of the crystal grain and reduced the sintering temperature efficiently. With the increase of the content of Al2O3, the εr does not change significantly, but the Q×f values can be up to the maximum of 25 153 GHz.

AB - (Ca0.7Nd0.3) (Ti0.7Al0.3)O3 microwave dielectric ceramics with different contents of Al2O3 were prepared. The inference of Al2O3 on the sintering characters, dielectric properties and microwave structures of the (Ca0.7Nd0.3) (Ti0.7Al0.3)O3 ceramics was studied by XRD, SEM, EDS and so on. The results showed that the addition of Al2O3 did not change the main crystal phase, and promoted the growth of the crystal grain and reduced the sintering temperature efficiently. With the increase of the content of Al2O3, the εr does not change significantly, but the Q×f values can be up to the maximum of 25 153 GHz.

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KW - CaTiO- NdAlO

KW - Microwave dielectric ceramics

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Influence of Al₂O₃ on the dielectric properties of (Ca_0.7Nd_0.3)(Ti_0.7 Al_0.3)O₃ ceramics

Abstract

Keywords

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