Crystal structure of A2+(Mg1/3Nb2/3)O3, (A2+ = Sr2+ and Ca2+) ceramics

C. S. Park, J. H. Paik, S. Nahm, H. J. Lee, H. M. Park, K. Y. Kim

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22 Citations (Scopus)


The structure of A2+(Mg1/3Nb2/3)O3 (A2+: S2+ and Ca2+) ceramics was analyzed by X-ray diffraction (XRD) and transmission electron microscopy (TEM) and interpreted based on Nagai's model. Specimens of these ceramics were synthesized by a conventional solid-state reaction method from BaCO3 (Aldrich, 99%), SrCO3 (Aldrich, 99%), CaCO3 (Aldrich, 99%) MgO (Junsei, 99%) and Nb2O5 (Tritech, 99.9%) powders. The structure of Ca(Mg1/3Nb2/3)O3 (CMN) was especially investigated in detail because the previously suggested structure for CMN, the orthorhombic unit cell, is not clear.

Original languageEnglish
Pages (from-to)691-694
Number of pages4
JournalJournal of Materials Science Letters
Issue number9
Publication statusPublished - 1999

ASJC Scopus subject areas

  • Materials Science(all)


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