Shifting τf Value of (Mg0.95Co0.05)TiO3 Ceramics by Ca0.61Nd0.78/3TiO3 Addition

被引：3

作者：

Chen, Ping-Cheng ^{[1
]}

Pan, Chung-Long ^{[2
]}

Lin, Wei-Cheng ^{[2
]}

Shen, Chun-Hsu ^{[3
]}

机构：

[1] I-Shou Univ, Dept Commun Elect Engn, 1,Sec 1,Syuecheng Rd, Dashu Township 840, Kaohsing County, Taiwan

[2] I-Shou Univ, Dept Elect Engn, Saga 840, Japan

[3] Natl Chin Yi Univ Technol, Dept Elect Engn, Nagaizumi, Shizuoka 411, Japan

来源：

ENVIRONMENTAL PROTECTION AND RESOURCES EXPLOITATION, PTS 1-3 | 2013年 / 807-809卷

关键词：

dielectricceramics; near-zerotemperature coefficient of resonate frequency; DIELECTRIC-PROPERTIES; RESONATOR;

D O I：

10.4028/www.scientific.net/AMR.807-809.2703

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Modification of (Mg0.95Co0.05)TiO3 ceramics by Ca0.61Nd0 78/3TiO3 addition was investigated. The Ca0.61Nd0.78/3TiO3 content plays a significant role in improving the dielectric properties. Microwave dielectric measurement showed an increase in dielectric constant (epsilon(r)) and temperature coefficient of the resonant frequency(tau(f))and a decrease in Q value with increasing Ca0.61Nd0.78/3TiO3 content. By properly adjusting the Ca0.61Nd0.78/3TiO3 content, zero temperature coefficient of resonate frequency tau(f) can also be obtained. It becomes more promising in the application of wireless system. At 1375 degrees C, the 0.85(Mg0.95Co0 05)TiO3-0.15Ca(0 61)Nd(0.78/3)TiO(3) ceramics possesses excellent microwave dielectric properties: a dielectric constant epsilon(r) of 24.37, a Qx f value of 66200 (at 7 GHz) and a tau(f) value of -1.4 ppm/degrees C.

引用

页码：2703 / +

页数：2

共 10 条

[1] Microwave dielectric properties and microstructures of cCa1-xNd2x/3TiO3-Li1/2Nd1/2TiO3 ceramics
Chen, HL
Huang, CL
[J]. JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS, 2002, 41 (09): : 5650 - 5653
[2] ANALYSIS AND EVALUATION OF A METHOD OF MEASURING COMPLEX PERMITTIVITY AND PERMEABILITY OF MICROWAVE INSULATORS
COURTNEY, WE
[J]. IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 1970, MT18 (08) : 476 - &
[3] Hakki BW., 1960, IEEE. Trans. MTT, DOI DOI 10.1109/TMTT.1960.1124749
[4] MICROWAVE MEASUREMENT OF DIELECTRIC-PROPERTIES OF LOW-LOSS MATERIALS BY THE DIELECTRIC ROD RESONATOR METHOD
KOBAYASHI, Y
KATOH, M
[J]. IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 1985, 33 (07) : 586 - 592
[5] HIGHLY STABILIZED MIC GUNN OSCILLATOR USING A DIELECTRIC RESONATOR
MAKINO, T
HASHIMA, A
[J]. IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 1979, 27 (07) : 633 - 638
[6] MARIC DM, 1992, MATER SCI FORUM, V83, P119, DOI 10.4028/www.scientific.net/MSF.83-87.119
[7] MICROWAVE ABSORPTION IN CUBIC STRONTIUM TITANATE
SILVERMAN, BD
[J]. PHYSICAL REVIEW, 1962, 125 (06): : 1921 - &
[8] MICROWAVE DIELECTRIC CHARACTERISTICS OF ILMENITE-TYPE TITANATES WITH HIGH Q-VALUES
SOHN, JH
INAGUMA, Y
YOON, SO
ITOH, M
NAKAMURA, T
YOON, SJ
KIM, HJ
[J]. JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1994, 33 (9B): : 5466 - 5470
[9] Tamura H., 1979, Japan Patent, Patent No. 138008
[10] WAKINO K, 1990, BRIT CERAM TRANS J, V89, P39

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