期刊
MATERIALS RESEARCH BULLETIN
卷 44, 期 5, 页码 1022-1024出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2008.11.007
关键词
Oxides; Chemical synthesis; X-ray diffraction; Dielectric properties
资金
- Air Force Research Laboratory [FA8650-05-1-5041]
- National Science Foundation [DMR 0804167]
Sn(II)Ta2O6 is well known as the mineral Thoreaulite, but attempts to prepare it by direct combination of SnO and Ta2O5 fail. SnTa2O6 has now been synthesized by reacting SnCl2 With KTaO3 at 673 K under an inert atmosphere. Although a reported structure determination of SnTa2O6 indicated an acentric space group, our second harmonic generation (SHG) studies indicate that SnTa2O6 is centrosymmetric as is the case for isostructural SnNb2O6. (C) 2008 Elsevier Ltd. All rights reserved.
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