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采用固相烧结法制备Zn_(0.15)Nb_(0.3)Ti_(0.55-x)(Co_(1/3)Nb_(2/3))_(x)O_(2)(x=0,0.05,0.15,0.25,0.35,0.4,0.45,0.55)陶瓷,研究了(Co_(1/3)Nb_(2/3))^(4+)取代Ti^(4+)对陶瓷的物相、微观形貌和微波介电性能的影响。实验结果表明,当(Co_(1/3)Nb_(2/3))^(4+)取代量x≤0.05时,Zn_(0.15)Nb_(0.3)Ti_(0.55-x)(Co_(1/3)Nb_(2/3))_(x)