Low-loss microwave dielectrics using rock salt oxide Li 2MgTiO4

Yu Wei Tseng; Jhih Yong Chen; Yuan Cheng Kuo; Cheng Liang Huang

doi:10.1016/j.jallcom.2011.06.010

Low-loss microwave dielectrics using rock salt oxide Li ₂MgTiO₄

Yu Wei Tseng, Jhih Yong Chen, Yuan Cheng Kuo, Cheng Liang Huang

電機工程學系

研究成果: Letter › 同行評審

48 引文斯高帕斯（Scopus）

摘要

Rock-salt-structured Li₂MgTiO₄ ceramic was prepared by the conventional mixed oxide route and its microwave dielectric properties were investigated. The microstructures of the ceramics were characterized by SEM. The dielectric properties of the ceramics exhibited a significant dependence on the sintering condition and crystal structure. A new microwave dielectric material, Li₂MgTiO₄ sintered at 1360 °C has a dielectric constant (ε_r) of ̃17.25, a Q × f of ̃97,300 GHz (where f = 9.86 GHz, is the resonant frequency) and a τ_f of ̃-27.2 ppm/°C. The microwave dielectric properties of the ceramic are reported for the first time.

原文	English
頁（從 - 到）	L308-L310
期刊	Journal of Alloys and Compounds
卷	509
發行號	33
DOIs	https://doi.org/10.1016/j.jallcom.2011.06.010
出版狀態	Published - 2011 八月 18

All Science Journal Classification (ASJC) codes

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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10.1016/j.jallcom.2011.06.010

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引用此

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title = "Low-loss microwave dielectrics using rock salt oxide Li 2MgTiO4 ",

abstract = "Rock-salt-structured Li2MgTiO4 ceramic was prepared by the conventional mixed oxide route and its microwave dielectric properties were investigated. The microstructures of the ceramics were characterized by SEM. The dielectric properties of the ceramics exhibited a significant dependence on the sintering condition and crystal structure. A new microwave dielectric material, Li2MgTiO4 sintered at 1360 °C has a dielectric constant (εr) of{\~ }17.25, a Q × f of{\~ }97,300 GHz (where f = 9.86 GHz, is the resonant frequency) and a τf of{\~ }-27.2 ppm/°C. The microwave dielectric properties of the ceramic are reported for the first time.",

author = "Tseng, {Yu Wei} and Chen, {Jhih Yong} and Kuo, {Yuan Cheng} and Huang, {Cheng Liang}",

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

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T1 - Low-loss microwave dielectrics using rock salt oxide Li 2MgTiO4

AU - Tseng, Yu Wei

AU - Chen, Jhih Yong

AU - Kuo, Yuan Cheng

AU - Huang, Cheng Liang

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

PY - 2011/8/18

Y1 - 2011/8/18

N2 - Rock-salt-structured Li2MgTiO4 ceramic was prepared by the conventional mixed oxide route and its microwave dielectric properties were investigated. The microstructures of the ceramics were characterized by SEM. The dielectric properties of the ceramics exhibited a significant dependence on the sintering condition and crystal structure. A new microwave dielectric material, Li2MgTiO4 sintered at 1360 °C has a dielectric constant (εr) of ̃17.25, a Q × f of ̃97,300 GHz (where f = 9.86 GHz, is the resonant frequency) and a τf of ̃-27.2 ppm/°C. The microwave dielectric properties of the ceramic are reported for the first time.

AB - Rock-salt-structured Li2MgTiO4 ceramic was prepared by the conventional mixed oxide route and its microwave dielectric properties were investigated. The microstructures of the ceramics were characterized by SEM. The dielectric properties of the ceramics exhibited a significant dependence on the sintering condition and crystal structure. A new microwave dielectric material, Li2MgTiO4 sintered at 1360 °C has a dielectric constant (εr) of ̃17.25, a Q × f of ̃97,300 GHz (where f = 9.86 GHz, is the resonant frequency) and a τf of ̃-27.2 ppm/°C. The microwave dielectric properties of the ceramic are reported for the first time.

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