Novel low-firing BiMg_(2)PO_(6)(BMP)and BiMg_(2)VO_(6)(BMV)ceramics with excellent microwave properties were synthesized and analyzed.The Rietveld refinement indicated that BiMg_(2)MO_(6)(M=p,V)ceramics crystallized i...Novel low-firing BiMg_(2)PO_(6)(BMP)and BiMg_(2)VO_(6)(BMV)ceramics with excellent microwave properties were synthesized and analyzed.The Rietveld refinement indicated that BiMg_(2)MO_(6)(M=p,V)ceramics crystallized in orthorhombic structure.The analysis results of the scanning electron microscope proved a dense and uniform microstructure.Further research showed that there was a strong correlation among permittivity,quality factor,and bulk density at different temperatures.The correlation between the properties and the structure of BiMg_(2)MO_(6)(M=P,V)ceramics were characterized by the chemical bond theory.The outstanding dielectric properties of BiMg_(2)MO_(6)(M=P,V)ceramics(BMP:εr=12.503,Q×f=25,760 GHz,tf=-20×10^(-6)/℃;BMV:εr=13.472,Q×f=37,270 GHz,tf=78×10^(-6)/℃)make them expected to become the novel low temperature co-fired ceramics(LTCC).展开更多
基金This work was supported by Major Projects of Science and Technology in Tianjin(No.18ZXJMTG00020)the Natural Science Foundation of Hebei Province,China(No.E2020202011).
文摘Novel low-firing BiMg_(2)PO_(6)(BMP)and BiMg_(2)VO_(6)(BMV)ceramics with excellent microwave properties were synthesized and analyzed.The Rietveld refinement indicated that BiMg_(2)MO_(6)(M=p,V)ceramics crystallized in orthorhombic structure.The analysis results of the scanning electron microscope proved a dense and uniform microstructure.Further research showed that there was a strong correlation among permittivity,quality factor,and bulk density at different temperatures.The correlation between the properties and the structure of BiMg_(2)MO_(6)(M=P,V)ceramics were characterized by the chemical bond theory.The outstanding dielectric properties of BiMg_(2)MO_(6)(M=P,V)ceramics(BMP:εr=12.503,Q×f=25,760 GHz,tf=-20×10^(-6)/℃;BMV:εr=13.472,Q×f=37,270 GHz,tf=78×10^(-6)/℃)make them expected to become the novel low temperature co-fired ceramics(LTCC).
