کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
7062357 1459505 2014 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Synthesis and thermodynamic stability of new phase BaCe0.6Y0.3In0.1O2.8
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی جریان سیال و فرایندهای انتقال
پیش نمایش صفحه اول مقاله
Synthesis and thermodynamic stability of new phase BaCe0.6Y0.3In0.1O2.8
چکیده انگلیسی
The preparation of BaCeO3 doped by yttrium and indium oxides (BaCe0.6Y0.3In0.1O2.8) has been performed by solid-state reaction from BaCO3, CeO2, Y2O3, and In2O3. The compound BaCe0.6Y0.3In0.1O2.8 has been synthesized for the first time. The X-ray measurements have shown that BaCe0.6Y0.3In0.1O2.8 has an orthorhombic structure (space group Pmcn). The standard molar enthalpy of formation of BaCe0.6Y0.3In0.1O2.8 has been determined by solution calorimetry combining standard molar enthalpies of dissolution of BaCe0.6Y0.3In0.1O2.8 and BaCl2 + 0.6CeCl3 + 0.3YCl3 + 0.1InCl3 mixtures in 1 M HCl with 0.1 M KI at 298.15 K and literature data. It has been found out that the mixed oxide mentioned above is thermodynamically stable as to its decomposition into binary oxides at room temperature. It has also been shown that BaCe0.6Y0.3In0.1O2.8 was more thermodynamically favored than BaCe0.9In0.1O2.95.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Thermochimica Acta - Volume 579, 10 March 2014, Pages 22-26
نویسندگان
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