Journal
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
Volume 25, Issue 3, Pages 1480-1484Publisher
SPRINGER
DOI: 10.1007/s10854-014-1755-z
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Funding
- Natural Science Foundation of China [51102058, 11364012, 50962004]
- Project of Guangxi Scientific Research and Technical Development [1348020-11]
- Natural Science Foundation of Guangxi [2013GXNSFAA019291]
- Project of Guangxi Scientific Experiment Center of Mining, Metallurgy and Environment [KH2011YB019]
- Patent Project of Guangxi Department of Education [2013ZL080]
- Research Start-up Funds Doctor of Guilin University of Technology [002401003281, 002401003282]
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Series of novel low-firing microwave dielectric ceramics with the composition of Li1+2x Mg4-x V3O12 (-0.2 a parts per thousand currency sign x a parts per thousand currency sign 0.1) were prepared by a solid-state reaction process. The crystal structure, sintering behavior and microwave dielectric properties of ceramics were investigated using X-ray diffraction, scanning electron microscopy and dielectric measurement. As x increased from -0.2 to 0.1, the optimized sintering temperature was reduced from 880 to 700 A degrees C, the quality factors (Q x f) were effectively enhanced from 21,000 to 33,200 GHz. A good combined microwave dielectric properties with epsilon(r) = 12.1, Q x f = 21,800 GHz, tau (f) = 1.8 ppm/A degrees C were obtained for x = -0.1.
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