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[1]王哲飞,黄宝玉,王丽熙,等.Co非化学计量比对Ba(Co1/3Nb2/3)O3微波介质陶瓷性能的影响[J].南京工业大学学报(自然科学版),2014,36(03):12-16.[doi:10.3969/j.issn.1671-7627.2014.03.003]
 WANG Zhefei,HUANG Baoyu,WANG Lixi,et al.Effects of Co cation nonstoichiometric ratio on properties of Ba(Co1/3Nb2/3)O3 ceramics[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2014,36(03):12-16.[doi:10.3969/j.issn.1671-7627.2014.03.003]
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Co非化学计量比对Ba(Co1/3Nb2/3)O3微波介质陶瓷性能的影响()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
36
期数:
2014年03期
页码:
12-16
栏目:
出版日期:
2014-05-20

文章信息/Info

Title:
Effects of Co cation nonstoichiometric ratio on properties of Ba(Co1/3Nb2/3)O3 ceramics
文章编号:
1671-7627(2014)03-0012-05
作者:
王哲飞1黄宝玉1王丽熙1付振晓2张其土1
1.南京工业大学 材料科学与工程学院,江苏 南京 210009; 2.广东风华高新科技股份有限公司,广东 肇庆 526000
Author(s):
WANG Zhefei1HUANG Baoyu1WANG Lixi1FU Zhenxiao2ZHANG Qitu1
1.College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009,China; 2.Fenghua Advanced Technology Holding Co. Ltd.,Zhaoqing 526000,China
关键词:
微波介质陶瓷 复合钙钛矿 非化学计量比 B位有序度
Keywords:
microwave dielectric ceramics complex perovskite nonstoichiometric ratio B-site cation ordering
分类号:
TM28
DOI:
10.3969/j.issn.1671-7627.2014.03.003
文献标志码:
A
摘要:
采用传统固相法制备Ba(Co(1+x)/3Nb2/3)O3+x/3微波介质陶瓷。系统研究Ba(Co(1+x)/3Nb2/3)O3+x/3中Co非化学计量比对陶瓷的物相组成、显微结构、烧结性能和微波介电性能的影响。结果表明:系统的主晶相为复合钙钛矿型Ba(Co1/3Nb2/3)O3,过多的Co增量与缺量都会引起CoO在高温下熔融挥发,导致富Nb相的生成,从而恶化材料的微波介电性能; 而少量的Co缺失不会生成其他杂相,可以促进烧结的致密化,从晶胞参数c/a的角度可证实其B位离子有序排列的提升。x=-0.025的样品具备优良的微波介电性能:εr=31.8,Qf=73 777 GHz(f=6.228 GHz),τf=-15×10-6-1
Abstract:
Ba(Co(1+x)/3Nb2/3)O3+x/3 microwave dielectric ceramics were prepared by a conventional solid-state method. The effects of Co cation nonstoichiometric ratio on the phase composition, microstructure, sintering property and microwave dielectric properties of the ceramics were investigated. Results indicated that the main crystal phase of the system was the Ba(Co1/3Nb2/3)O3 complex perovskite structure. The Nb-rich phases could appear when CoO was evaporated at high temperature, as excessive increment or decrement of Co was added. It was not good for microwave dielectric properties of the ceramics. However, the slight Co deficiency would increase the densification degree of the ceramics with their pure phase. According to c/a, B-site cation ordering was improved with the slight Co deficiency. The optimal microwave dielectric properties could be achieved at x=-0.025 with εr of 31.8,Qf value of 73 777 GHz(f=6.228 GHz), and τf of -15×10-6-1.

参考文献/References:

[1] 杨辉,张启龙,王家邦,等.微波介质陶瓷及器件研究进展[J].硅酸盐学报,2003,31(10):965-973.
[2] 张迎春.铌钽酸盐微波介质陶瓷材料[M].北京:科学出版社,2005.
[3] 刁春丽,高丽珍.微波介质陶瓷的研究进展[J].中国陶瓷,2010,46(5):6-9.
[4] 李曼,罗希 吕文中.Ba(Zn1/3Nb2/3)O3微波介质陶瓷的研究进展[J].电子元件与材料,2012(9):75-77.
[5] 傅茂森.复合钙钛矿微波介质陶瓷的结构与性能[D].杭州:浙江大学,2009.
[6] You C C,Huang C L,Wei C C,et al.Improved high-Q dielectric resonator sintered at low firing temperature[J].Japanese Journal of Applied Physics,1995,34(4A):1911.
[7] Ahn C W,Nahm S,Lim Y S,et al.Microstructure and microwave dielectric properties of Ba(Co1/3Nb2/3)O3 ceramics[J].The Japan Society of Applied Physics,2002,41(8):5277-5280.
[8] Kuzhichalil P,Surendran T,Sebastian P M,et al.Effect of nonstoichiometry on the structure and microwave dielectric properties of Ba(Mg0.33Ta0.67)O3 [J].Chemistry of Materials,2005,17(1):142-151.
[9] Grebennikov D,Mascher P.Photoluminescence properties of Ba3B’B″2O9(B’=Mg,Co or Zn and B″=Nb or Ta)ceramics with perovskite structure[J].Journal of Luminescence,2011,131(8):1782-1788.
[10] Chen C T,Huang C Y,Lin Y M,et al.Structure and microwave dielectric property relations in barium cobalt magnesium niobate ceramics[J].Japanese Journal of Applied Physics,2011,50(9):091503.
[11] Kim I T,Oh T S,Kim Y H,et al.Lattice distortion of Ba(Zn1/3Ta2/3)O3 with ordering of B-site cation [J].Journal of Materials Science Letters,1993,12:182-183.
[12] 吕鑫,钟朝位,张树人,等.B位非化学计量比对0.6BCN-0.4BZN陶瓷性能的影响[J].电子元件与材料,2010,29(9):44-47.
[13] 唐志兰,沈春英,丘泰.A5B4O15型六方钙钛矿微波介质陶瓷的研究进展[J].电子元件与材料,2011,30(5):77-80.
[14] Lichtenecker K.Dielectric constant of natural and synthetic mixtures[J].Physikalische Zeitschrift,1926,27:115-158.
[15] Vanderaha T A,Collinsa T R,Wong N W,et al.Phase equilibria and crystal chemistry in the BaO-Al2O3-Nb2O5 and BaO-Nb2O5 systems[J].Journal of Alloys and Compounds,2002,346(1/2):116-128.

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备注/Memo

备注/Memo:
收稿日期:2013-08-30
基金项目:江苏省普通高校研究生科研创新计划(CXLX13_403); 江苏高校优势学科建设工程; 广东省科技计划(广东省战略性新兴产业核心技术攻关)(2011A091103002); 高性能陶瓷和超微结构国家重点实验室开放课题基金(SKL201309SIC)
作者简介:王哲飞(1988—),男,江苏苏州人,博士生,主要研究方向为微波介质陶瓷; 张其土(联系人),教授,E-mail:njzqt@126.com..
更新日期/Last Update: 2014-05-20