کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1333870 979112 2007 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Crystal structures of Na1/2Ln1/2TiO3 (Ln: La, Eu, Tb)
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی معدنی
پیش نمایش صفحه اول مقاله
Crystal structures of Na1/2Ln1/2TiO3 (Ln: La, Eu, Tb)
چکیده انگلیسی

Neutron powder diffraction studies of Na1/2La1/2TiO3 and Na1/2Tb1/2TiO3, and a synchrotron X-ray powder diffraction study of Na1/2Eu1/2TiO3 have been carried out. Rietveld refinement of the structures confirmed that Na1/2Eu1/2TiO3 and Na1/2Tb1/2TiO3 crystallizes in GdFeO3 type of structure (space group Pbnm). The ambiguity in the literature regarding the crystal structure of Na1/2La1/2TiO3 has been resolved and the correct space group is found to be R3¯c. A detailed list of refined structural parameters of these compounds is presented for the first time.

Rietveld plot of Na1/2Tb1/2TiO3 after refinement with space group Pbnm.Figure optionsDownload as PowerPoint slide

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Solid State Chemistry - Volume 180, Issue 3, March 2007, Pages 995–1001
نویسندگان
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