Phase evolution and microwave dielectric properties of (Bi1−xLnx)2MoO6 (Ln=Nd and La, x≤0.3) ceramics
作者： Li-Xia Pang , Wei-Guo Liu , Di Zhou , Zhen-Xing Yue
DOI: 10.1016/J.CERAMINT.2016.08.018
关键词: Microstructure 、 Analytical chemistry 、 Ceramic 、 Solid solution 、 Crystal structure 、 Phase (matter) 、 Monoclinic crystal system 、 Microwave 、 Materials science 、 Tetragonal crystal system 、 Mineralogy
摘要: Abstract (Bi 1−x Ln x ) 2 MoO 6 (Ln=Nd and La) ceramics were prepared by conventional solid state reaction method. Solid solutions crystallizing in a monoclinic structure with space group P 21/ c obtained the La (x≤0.3) ceramics. For Nd ceramics, tetragonal phase I4 1 /acd was detected when value reached 0.2 besides Bi solution. Temperature stability quality factor Qf at microwave frequencies improved appropriate substitution for 3+ and/or system. When x=0.2, both values maximum about 30,200 GHz 32,900 GHz, respectively. TCF shifted towards zero of . x=0.3, −70 −85 ppm/°C, Relation between crystal structure, microstructure dielectric properties discussed.
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