Microwave dielectric properties of (1-x)CaTiO3-xNd(Mg 1/2Ti1/2)O3 ceramics system

Cheng Liang Huang; Yuan Bin Chen; Ching Wen Lo

doi:10.1557/proc-783-b5.13

Microwave dielectric properties of (1-x)CaTiO₃-xNd(Mg _1/2Ti_1/2)O₃ ceramics system

Cheng Liang Huang
, Yuan Bin Chen
, Ching Wen Lo

電機工程學系

研究成果: Conference article › 同行評審

摘要

The microwave dielectric properties of (1-x)CaTiO₃-xNd(Mgi _1/2Ti_1/2)O₃(0.1≤x≤1.0) have been investigated. The system forms a solid solution throughout the entire compositional range. The dielectric constant decreases from 152 to 27 as x varies from 0.1 to 1.0. In the (1-x)CaTiO₃-xNd(Mgi _1/2Ti_1/2)O₃ system, the microwave dielectric properties can be effectively controlled by varying the x value. A maximum quality factor Qxf = 43000GHz (where f is the resonant frequency) was achieved for samples with x=0.9, although the dielectric properties varied with sintering temperature. The Qxf value of (1-x)CaTiO₃-xNd(Mgi _1/2Ti_1/2)O₃ almost increased up to 1500°C , after which it decreased. At 1400°C, 0.1CaTiO₃-0.9Nd(Mg _1/2Ti_1/2)O₃ ceramics gives a dielectric constant ε_r of 42 , a Qxf value of 35000 (GHz) and a τ_f value of -10 (ppm/°C).

原文	English
頁（從 - 到）	53-58
頁數	6
期刊	Materials Research Society Symposium - Proceedings
卷	783
DOIs	https://doi.org/10.1557/proc-783-b5.13
出版狀態	Published - 2003 1月 1
事件	Materials, Integration and Packaging Issues for High - Frequency Devices - Boston, MA, United States 持續時間: 2003 12月 1 → 2003 12月 3

All Science Journal Classification (ASJC) codes

一般材料科學
凝聚態物理學
材料力學
機械工業

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10.1557/proc-783-b5.13

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title = "Microwave dielectric properties of (1-x)CaTiO3-xNd(Mg 1/2Ti1/2)O3 ceramics system",

abstract = "The microwave dielectric properties of (1-x)CaTiO3-xNd(Mgi 1/2Ti1/2)O3(0.1≤x≤1.0) have been investigated. The system forms a solid solution throughout the entire compositional range. The dielectric constant decreases from 152 to 27 as x varies from 0.1 to 1.0. In the (1-x)CaTiO3-xNd(Mgi 1/2Ti1/2)O3 system, the microwave dielectric properties can be effectively controlled by varying the x value. A maximum quality factor Qxf = 43000GHz (where f is the resonant frequency) was achieved for samples with x=0.9, although the dielectric properties varied with sintering temperature. The Qxf value of (1-x)CaTiO3-xNd(Mgi 1/2Ti1/2)O3 almost increased up to 1500°C , after which it decreased. At 1400°C, 0.1CaTiO3-0.9Nd(Mg 1/2Ti1/2)O3 ceramics gives a dielectric constant εr of 42 , a Qxf value of 35000 (GHz) and a τf value of -10 (ppm/°C).",

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AU - Huang, Cheng Liang

AU - Chen, Yuan Bin

AU - Lo, Ching Wen

PY - 2003/1/1

Y1 - 2003/1/1

N2 - The microwave dielectric properties of (1-x)CaTiO3-xNd(Mgi 1/2Ti1/2)O3(0.1≤x≤1.0) have been investigated. The system forms a solid solution throughout the entire compositional range. The dielectric constant decreases from 152 to 27 as x varies from 0.1 to 1.0. In the (1-x)CaTiO3-xNd(Mgi 1/2Ti1/2)O3 system, the microwave dielectric properties can be effectively controlled by varying the x value. A maximum quality factor Qxf = 43000GHz (where f is the resonant frequency) was achieved for samples with x=0.9, although the dielectric properties varied with sintering temperature. The Qxf value of (1-x)CaTiO3-xNd(Mgi 1/2Ti1/2)O3 almost increased up to 1500°C , after which it decreased. At 1400°C, 0.1CaTiO3-0.9Nd(Mg 1/2Ti1/2)O3 ceramics gives a dielectric constant εr of 42 , a Qxf value of 35000 (GHz) and a τf value of -10 (ppm/°C).

AB - The microwave dielectric properties of (1-x)CaTiO3-xNd(Mgi 1/2Ti1/2)O3(0.1≤x≤1.0) have been investigated. The system forms a solid solution throughout the entire compositional range. The dielectric constant decreases from 152 to 27 as x varies from 0.1 to 1.0. In the (1-x)CaTiO3-xNd(Mgi 1/2Ti1/2)O3 system, the microwave dielectric properties can be effectively controlled by varying the x value. A maximum quality factor Qxf = 43000GHz (where f is the resonant frequency) was achieved for samples with x=0.9, although the dielectric properties varied with sintering temperature. The Qxf value of (1-x)CaTiO3-xNd(Mgi 1/2Ti1/2)O3 almost increased up to 1500°C , after which it decreased. At 1400°C, 0.1CaTiO3-0.9Nd(Mg 1/2Ti1/2)O3 ceramics gives a dielectric constant εr of 42 , a Qxf value of 35000 (GHz) and a τf value of -10 (ppm/°C).

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U2 - 10.1557/proc-783-b5.13

DO - 10.1557/proc-783-b5.13

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VL - 783

SP - 53

EP - 58

JO - Materials Research Society Symposium - Proceedings

JF - Materials Research Society Symposium - Proceedings

T2 - Materials, Integration and Packaging Issues for High - Frequency Devices

Y2 - 1 December 2003 through 3 December 2003

ER -

Microwave dielectric properties of (1-x)CaTiO3-xNd(Mg 1/2Ti1/2)O3 ceramics system

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Microwave dielectric properties of (1-x)CaTiO₃-xNd(Mg _1/2Ti_1/2)O₃ ceramics system