期刊論文
| 學年 | 106 |
|---|---|
| 學期 | 2 |
| 出版（發表）日期 | 2018-04-01 |
| 作品名稱 | Electronic structure of Cr doped Fe3O4 thin films by X-ray absorption near-edge structure spectroscopy |
| 作品名稱（其他語言） | |
| 著者 | Chi-Liang Chen; Chung-Li Dong; Kandasami Asokan; G. Chern; C.L. Chang |
| 單位 | |
| 出版者 | |
| 著錄名稱、卷期、頁數 | Solid State Communications 272, p.48-52 |
| 摘要 | Present study reports the electronic structures of Cr doped Fe3O4 (Fe3-xCrxO4 (0 x 3) grown on MgO (100) substrates in the form of thin films fabricated by a plasma–oxygen assisted Molecular Beam Epitaxy (MBE). X-ray absorption near-edge structure (XANES) spectra at Cr & Fe L-, and O K-edges were used to understand the electronic structure: changes in the bonding nature, valence states, and site occupancies. Cr doping in Fe3O4 results in the change of charge transfer, crystal structure, and selective occupation of ions in octahedral and tetrahedral sites. Such change modifies the electrical and magnetic properties due to the covalency of Cr ions. The physical and chemical properties of ferrites are strongly dependent on the lattice site, ion size of dopant, and magnetic nature present at different structural symmetry of the spinel structure. |
| 關鍵字 | Thin films; MBE;Magnetite;X-ray absorption spectroscopy |
| 語言 | en |
| ISSN | |
| 期刊性質 | 國外 |
| 收錄於 | SCI EI |
| 產學合作 | |
| 通訊作者 | Chi-Liang Chen |
| 審稿制度 | 是 |
| 國別 | TWN |
| 公開徵稿 | |
| 出版型式 | ,電子版,紙本 |
| 相關連結 |
機構典藏連結 ( http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/113671 ) |