采用固相合成法制备了掺杂CuO的(1-x)Ca0.61Nd0.26TiO3+xNd(Mg1/2Ti1/2)O3微波介质复合陶瓷材料, 研究了不同成分复合陶瓷烧结后的密度、微观结构以及介电性能的变化规律。结果表明: 随着x值的增大, 复合陶瓷的介电常数呈下降趋势, Q·f值逐渐升高, 谐振频率温度系数由正变为负, 且在0.3＜x＜0.5时可以得到接近于0的谐振频率温度系数; 当x=0.5时, 可获得微波介电性能最好的复合陶瓷。
所属栏目
材料性能及其应用梧州学院青年科研项目(2008D012)
收稿日期
2011/8/202012/5/8
作者单位
钱俊:梧州学院数理系, 梧州 543002
备注
钱俊(1980-), 女, 湖北潜江人, 讲师, 硕士。
引用该论文:
QIAN Jun.Microwave Dielectric Properties of CuO-doped (1-x)Ca0.61Nd0.26TiO3+xNd(Mg1/2Ti1/2)O3 Complex Ceramics[J].Materials for mechancial engineering,2012,36(8):65～68
钱俊.掺杂CuO的(1-x)Ca0.61Nd0.26TiO3+xNd(Mg1/2Ti1/2)O3复合陶瓷的微波介电性能[J].机械工程材料,2012,36(8):65～68
参考文献
【1】
PARK J H, KIM B K. Effect of microstructure on the microwave properties in dielectric ceramics[J]. Journal of the European Ceramic Society, 2001, 21:2669-2675.
【2】
HUANG C L, PAN C L, HSU J F. Dielectric properties of (1-x)(Mg0.95Co0.05)TiO3-xCaTiO3[J].Mater Res Bull , 2002, 37(15): 2483-2490.
【3】
SURENDRAN K P, BUUMON P V, MOHANAN P, et al. (1-x)MgAl2O4-xTiO2 dielectrics for microwave and millimeter wave applications[J].Appl Phys A, 2005, 81:823-826.
【4】
HUANG C L, CHEN Y B. Microwave dielectric properties of Bi2O3-doped Nd1/2Mg1/2TiO3-CaTiO3 dielectric resonator at microwave prequency[J].Materials Letters, 2006, 60: 198-202.
【5】
SALAK A N, SEABRA M P, FERREIRA V M. La(Mg1/2Ti1/2)-La2/3TiO3 microwave dielectric ceramics[J].Journal of the European Ceramic Society, 2003, 23:2409-2412.
【6】
SU H, WU S H. Studies on the (Mg, Zn)TiO3-CaTiO3 microwave dielectric ceramics[J].Materials Letters, 2005, 59:2337-2341.
【7】
HUANG C L, CHEN H L , WU C C. Improved high Q value of CaTiO3-Ca(Mg1/3Nb2/3)O3 solid solution with near zero temperature coefficieng of resonant frequency[J].Materials Research Bulletion, 2001, 36:1645-1652.
【8】
NOBORU I, KOHJI M. Microwave dielectric properties in the (1-x)(Na1/2La1/2)TiO3-x(Li1/2Sm1/2)TiO3 ceramic system[J].Journal of the European Ceramic Society, 2003, 23:2455-2459.
【9】
CHEN H L, HUANG C L.Microwave dielectric properties and microstructures of Ca1-xNd2x/3TiO3-Li1/2Nd1/2TiO3 ceramics[J].Jpn J AppL Phys, 2002, 41: 5650-5653.
【10】
HU X, CHEN X M. Structures and Properties of Dielectric in Pb(Mg1/3Nb2/3)-La(Mg1/2Ti1/2)O3 System[J].J Appl Phys, 2004, 3:1412-1415.
【11】
王浩, 陈文, 刘涛. (1-y)Ca1-xLa2x/3TiO3-yCa(Mg1/3Nb2/3)O3系陶瓷的缺位结构与微波介电性能研究[J].材料科学与工程学报, 2004(4):515-518.
【12】
CHEN H L, CHEN Y B, LIN S H. New dielectric material system of Nd(Mg1/2Ti1/2)O3-CaTiO3 at microwave frequency[J].Solid-State Electronics, 2005, 49:1921-1924.
【13】
KINGERY W D. Introduction to Ceramics[M].New York: John Wiley & Sons Publicasions, 1976:947.
【14】
MICHIURA N, TATEKAWA T, HIGUCHI Y, et al. Role of donor and acceptor ions in the dielectric loss tangent of (Zr0.8Sn0.2)TiO4 dielectric resonator material[J].J Am Ceram Soc, 1995, 78(3): 793-796.
【15】
HUANG C L, WENG M H.The effect of PbO loss on microwave dielectric properties of (Pb, Ca)(Zr, Ti)O3 ceramics[J].Mater Res Bull, 2001, 36(3/4): 683-691.
【16】
YOON S O, YOON J H, KIM K S, et al.Microwave dielectric properties of LiNb3O8 ceramics with TiO2 additions[J].J Eur Ceram Soc, 2006, 26(10/11):2031-2034.
