Series of thermally stable Li1+2x Mg4?em class="a-plus-plus">x V3O12 ceramics: low temperature

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• 作者：Huanfu Zhou (1)
  Fen He (1)
  Xiuli Chen (1)
  Jie Chen (1)
  Liang Fang (1)
  
• 刊名：Journal of Materials Science: Materials in Electronics
• 出版年：2014
• 出版时间：March 2014
• 年：2014
• 卷：25
• 期：3
• 页码：1480-1484
• 全文大小：740 KB
• 作者单位：Huanfu Zhou (1)
  Fen He (1)
  Xiuli Chen (1)
  Jie Chen (1)
  Liang Fang (1)
  
  1. State Key Laboratory Breeding Base of Nonferrous Metals and Specific Materials Processing, Key Laboratory of Nonferrous Materials and New Processing Technology, Ministry of Education, College of Material Science and Engineering, Guilin University of Technology, Guilin, 541004, China
  
• ISSN：1573-482X

文摘

Series of novel low-firing microwave dielectric ceramics with the composition of Li1+2x Mg4?em class="a-plus-plus">x V3O12 (?.2?≤?em class="a-plus-plus">x?≤?.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 ?.2 to 0.1, the optimized sintering temperature was reduced from 880 to 700?°C, the quality factors (Q?×?f) were effectively enhanced from 21,000 to 33,200?GHz. A good combined microwave dielectric properties with εr?=?12.1, Q?×?f?=?21,800?GHz, τ f ?=?1.8?ppm/°C were obtained for x?=??.1.