High-Q microwave dielectrics in the (Mg1-xZnx)Al 2O4 (x = 0-0.1) system

Cheng Liang Huang; Yu Hua Chien; Chen Yi Tai; Chi Yuen Huang

doi:10.1016/j.jallcom.2010.12.202

High-Q microwave dielectrics in the (Mg_1-xZn_x)Al ₂O₄ (x = 0-0.1) system

Cheng Liang Huang, Yu Hua Chien, Chen Yi Tai, Chi Yuen Huang

研究成果: Letter › 同行評審

11 引文斯高帕斯（Scopus）

摘要

The microwave dielectric properties and the microstructures of (Mg _1-xZn_x)Al₂O₄ (x = 0-0.1) ceramic system prepared by the conventional solid-state route were investigated. The forming of spinel-structured (Mg_1-xZn_x)Al ₂O₄ (x = 0-0.1) solid solutions was confirmed by the XRD patterns and the measured lattice parameters, which linearly varied from a = b = c = 8.0815 for MgAl₂O₄ to a = b = c= 8.0828 for (Mg _0.9Zn_0.1)Al₂O₄. By increasing x, the Q × f of (Mg_1-xZn_x)Al₂O₄ can be tremendously boosted from 82,000 GHz at x = 0 to a maximum of 156,000 GHz at x = 0.05. The Zn substitution was effective in reducing the dielectric loss without detrimental effects on the ε_r and τ_f values of the ceramics.

原文	English
頁（從 - 到）	L150-L152
期刊	Journal of Alloys and Compounds
卷	509
發行號	9
DOIs	https://doi.org/10.1016/j.jallcom.2010.12.202
出版狀態	Published - 2011 3月 3

All Science Journal Classification (ASJC) codes

材料力學
機械工業
金屬和合金
材料化學

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10.1016/j.jallcom.2010.12.202

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title = "High-Q microwave dielectrics in the (Mg1-xZnx)Al 2O4 (x = 0-0.1) system",

abstract = "The microwave dielectric properties and the microstructures of (Mg 1-xZnx)Al2O4 (x = 0-0.1) ceramic system prepared by the conventional solid-state route were investigated. The forming of spinel-structured (Mg1-xZnx)Al 2O4 (x = 0-0.1) solid solutions was confirmed by the XRD patterns and the measured lattice parameters, which linearly varied from a = b = c = 8.0815 for MgAl2O4 to a = b = c= 8.0828 for (Mg 0.9Zn0.1)Al2O4. By increasing x, the Q × f of (Mg1-xZnx)Al2O4 can be tremendously boosted from 82,000 GHz at x = 0 to a maximum of 156,000 GHz at x = 0.05. The Zn substitution was effective in reducing the dielectric loss without detrimental effects on the εr and τf values of the ceramics.",

author = "Huang, {Cheng Liang} and Chien, {Yu Hua} and Tai, {Chen Yi} and Huang, {Chi Yuen}",

note = "Funding Information: This work was financially supported by the National Science Council in Taiwan under grant NSC 97-2221-E-006-013-MY3 .",

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T1 - High-Q microwave dielectrics in the (Mg1-xZnx)Al 2O4 (x = 0-0.1) system

AU - Huang, Cheng Liang

AU - Chien, Yu Hua

AU - Tai, Chen Yi

AU - Huang, Chi Yuen

N1 - Funding Information: This work was financially supported by the National Science Council in Taiwan under grant NSC 97-2221-E-006-013-MY3 .

PY - 2011/3/3

Y1 - 2011/3/3

N2 - The microwave dielectric properties and the microstructures of (Mg 1-xZnx)Al2O4 (x = 0-0.1) ceramic system prepared by the conventional solid-state route were investigated. The forming of spinel-structured (Mg1-xZnx)Al 2O4 (x = 0-0.1) solid solutions was confirmed by the XRD patterns and the measured lattice parameters, which linearly varied from a = b = c = 8.0815 for MgAl2O4 to a = b = c= 8.0828 for (Mg 0.9Zn0.1)Al2O4. By increasing x, the Q × f of (Mg1-xZnx)Al2O4 can be tremendously boosted from 82,000 GHz at x = 0 to a maximum of 156,000 GHz at x = 0.05. The Zn substitution was effective in reducing the dielectric loss without detrimental effects on the εr and τf values of the ceramics.

AB - The microwave dielectric properties and the microstructures of (Mg 1-xZnx)Al2O4 (x = 0-0.1) ceramic system prepared by the conventional solid-state route were investigated. The forming of spinel-structured (Mg1-xZnx)Al 2O4 (x = 0-0.1) solid solutions was confirmed by the XRD patterns and the measured lattice parameters, which linearly varied from a = b = c = 8.0815 for MgAl2O4 to a = b = c= 8.0828 for (Mg 0.9Zn0.1)Al2O4. By increasing x, the Q × f of (Mg1-xZnx)Al2O4 can be tremendously boosted from 82,000 GHz at x = 0 to a maximum of 156,000 GHz at x = 0.05. The Zn substitution was effective in reducing the dielectric loss without detrimental effects on the εr and τf values of the ceramics.

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DO - 10.1016/j.jallcom.2010.12.202

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VL - 509

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JO - Journal of the Less-Common Metals

JF - Journal of the Less-Common Metals

SN - 0925-8388

IS - 9

ER -

High-Q microwave dielectrics in the (Mg1-xZnx)Al 2O4 (x = 0-0.1) system

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High-Q microwave dielectrics in the (Mg_1-xZn_x)Al ₂O₄ (x = 0-0.1) system