請使用永久網址來引用或連結此文件:
https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/27570
|
| 題名: | Electronic structure of phospho-olivines LixFePO4 (x=0,1) from soft-x-ray-absorption and -emission spectroscopies |
| 作者: | 張經霖;Chang, C. L.;Augustsson, A.;Zhuang, G. V.;Butorin, S. M.;Osorio-Guillén, J. M.;Dong, C. L.;Ahuja, R.;Ross, P. N.;Nordgren, J.;Guo, J. H. |
| 貢獻者: | 淡江大學物理學系 |
| 日期: | 2005-11-08 |
| 上傳時間: | 2009-12-31 10:26:22 (UTC+8) |
| 出版者: | College Park: American Institute of Physics (AIP) |
| 摘要: | The electronic structure of the phospho-olivine LixFePO4 was studied using soft-x-ray-absorption (XAS) and emission spectroscopies. Characteristic changes in the valence and conduction bands are observed upon delithation of LiFePO4 into FePO4. In LiFePO4, the Fe-3d states are localized with little overlap with the O-2p states. Delithiation of LiFePO4 gives stronger hybridization between Fe-3d states and O-2p states leading to delocalization of the O-2p states. The Fe L-edge absorption spectra yield “fingerprints” of the different valence states of Fe in LiFePO4 and FePO4. Resonant soft-x-ray-emission spectroscopy at the Fe L edge shows strong contributions from resonant inelastic soft x-ray scattering (RIXS), which is described using an ionic picture of the Fe-3d states. Together the Fe L-edge XAS and RIXS study reveals a bonding character of the Fe 3d-O2p orbitals in FePO4 in contrast to a nonbonding character in LiFePO4. |
| 關聯: | The Journal of Chemical Physics 123(18), pp.184717(9pages) |
| DOI: | 10.1063/1.2107387 |
| 顯示於類別: | [物理學系暨研究所] 期刊論文
|
文件中的檔案:
| 檔案 |
描述 |
大小 | 格式 | 瀏覽次數 |
|---|
| 0021-9606_123(18)p184717.pdf | | 349Kb | Adobe PDF | 1294 | 檢視/開啟 | | index.html | | 0Kb | HTML | 319 | 檢視/開啟 |
|
在機構典藏中所有的資料項目都受到原著作權保護.
|