کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1620634 | 1516391 | 2009 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Conductivity of a new pyrophosphate Sn0.9Sc0.1(P2O7)1âδ prepared by an aqueous solution method
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
فلزات و آلیاژها
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
New pyrophosphate Sn0.9Sc0.1(P2O7)1âδ was prepared by an aqueous solution method. The structure and conductivity of Sn0.9Sc0.1(P2O7)1âδ have been investigated. XRD analysis indicates that Sn0.9Sc0.1(P2O7)1âδ exhibits a 3 Ã 3 Ã 3 super structure. It was found that Sn0.9Sc0.1(P2O7)1âδ prepared by an aqueous method is not conductive. The total conductivity of Sn0.9Sc0.1(P2O7)1âδ in open air is 2.35 Ã 10â6 and 2.82 Ã 10â9 S/cm at 900 and 400 °C respectively. In wet air, the total conductivity is about two orders of magnitude higher (8.1 Ã 10â7 S/cm at 400 °C) than in open air indicating some proton conduction. SnP2O7 and Sn0.92In0.08(P2O7)1âδ prepared by an acidic method were reported fairly conductive but prepared by similar solution methods are not conductive. Therefore, the conductivity of SnP2O7-based materials might be related to the synthetic history. The possible conduction mechanism of SnP2O7-based materials has been discussed in detail.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Alloys and Compounds - Volume 486, Issues 1â2, 3 November 2009, Pages 380-385
Journal: Journal of Alloys and Compounds - Volume 486, Issues 1â2, 3 November 2009, Pages 380-385
نویسندگان
Rong Lan, Shanwen Tao,