Structural and dielectric characteristics of calcium strontium magnesium niobate

Chun Te Lee, Chi-Yuen Huang, Yi Chang Lin, Jenn Shyong Hwang

研究成果: Article同行評審


The dielectric and structural characteristics of (Ca1-x Sr x)(Mg1/3Nb2/3)O3, (x= 0-0:5) solid solutions are investigated by measuring and observing these properties by X-ray diffractometry, transmission electron microscopy, and Raman spectroscopy. The splitting of superlattice reflections shows that the (Ca1-x Sr x)(Mg1/3Nb2/3)O3 solid solution has a 1 : 2 ordered structure distorted by the antiphase, the in-phase tilting of oxygen octahedra, and the antiparallel shift of cations at 0 - x - 0.5. The strontium substitution causes a tolerance factor increase, which leads to higher structure symmetry. This study indicates that ionic polarizability, tolerance factor, cation substitution, and grain size have a significant effect on the microwave dielectric properties of this solid solution.

頁(從 - 到)555011-555016
期刊Japanese Journal of Applied Physics
出版狀態Published - 2009 5月 1

All Science Journal Classification (ASJC) codes

  • 工程 (全部)
  • 物理與天文學 (全部)


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