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phu_grassman

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爱与雨下(金币+1): ！~ 2011-09-20 12:00:54
星夜幽梦(金币+60, 翻译EPI+1): 谢谢 2011-09-20 12:16:51

Figure 1 shows the XRD patterns of the pure Li4Ti5O12 sample together with the Li4Ti5O12/A composites of different content of B ranging from 1 wt%to 2wt%. The diffraction patterns of all the synthesized compounds are well in agreement with each other, with all the peaks indexed in a cubic spinel structure with a Fd3m space group. No impurity peaks such as Ti oxides were detected. The strongest peak corresponds to the (111) plane and no obvious shift of the diffraction was observed. Each peak was found to be well indexed in the JPCDS card No.49-0207, which indicates that the structure of Li4Ti5O12 doesn’t change with the modification of B.
The lattice parameter “a” for Li4Ti5O12 calculated by a powder cell program is 8.361A, which is corresponding to the value of literature.
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