Phase Relationship, Structure and Cationic Distribution of Oxides in the Mn3O4-Fe2O3 System Synthesized at 1200 degrees C
文献类型：期刊论文
| 作者 | Wang Rong2; Yang Cheng-Xu1; Shi Ying-Guo3; Sun Yu-Zeng1; Li Guo-Bao1; Jin Tou-Nan2; Qin Gao-Wu3; Liao Fu-Hui1; Lin Jian-Hua1 |
| 刊名 | ACTA PHYSICO-CHIMICA SINICA
 |
| 出版日期 | 2012-05-01 |
| 卷号 | 28期号:5页码:1021-1029 |
| ISSN号 | 1000-6818 |
| 关键词 | Phase Relationship Structure Fe-57 Mossbauer Spectroscopy X-ray Photoelectron Spectroscopy Cation Distribution Mn3o4 Fe2o3 |
| DOI | 10.3866/PKU.WHXB201202271 |
| 英文摘要 | A series of oxides in the Mn3O4-Fe2O3 system have been synthesized at 1200 degrees C in air, followed by quenching to room temperature. Three solid solutions, Mn3-3xFe3xO4 (0.00 <= x <= 0.278), Mn3-3xFe3xO4(0.291 <= x <= 0.667), and Mn2-2xFe2xO3 (0.89 <= x <= 1.00), have been identified by powder X-ray diffraction (XRD). Rietveld refinement of the XRD data show that the solids belong to the hausnnannite phase with the space group l4(1)/amd, the spinel phase with the space group Fd3m, and the hematite phase with the space group respectively. Between these are two-phase regions. Fe-57 Mossbauer spectra indicate that the valence state of Fe in the three solid solutions is +3; in addition, there are two crystallographically independent Fe3+ ions in the unit cells of the hausmannite and spinel phases, and one Fe3+ in the hematite phase. Analyses of Fe-57 Mossbauer spectra and X-ray photoelectron spectra (XPS) revealed that a formula of Mn1-x2+Fex3+[Mnx2+Fex3+Mn2-3x3+] O-4 describes the cation distribution of both the hausmannite and spinel phases, but that for the hematite phase is Mn2-2x3+Fe2x3+O3. |
| 语种 | 英语 |
| 出版者 | PEKING UNIV PRESS |
| WOS记录号 | WOS:000304575400003 |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/47769]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Li Guo-Bao |
| 作者单位 | 1.Peking Univ, Coll Chem & Mol Engn, Beijing Natl Lab Mol Sci, State Key Lab Rare Earth Mat Chem & Applicat, Beijing 100871, Peoples R China 2.Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100022, Peoples R China 3.Northeastern Univ, Minist Educ, Key Lab Anisotropy & Texture Mat, Shenyang 110819, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang Rong,Yang Cheng-Xu,Shi Ying-Guo,et al. Phase Relationship, Structure and Cationic Distribution of Oxides in the Mn3O4-Fe2O3 System Synthesized at 1200 degrees C[J]. ACTA PHYSICO-CHIMICA SINICA,2012,28(5):1021-1029. |
| APA | Wang Rong.,Yang Cheng-Xu.,Shi Ying-Guo.,Sun Yu-Zeng.,Li Guo-Bao.,...&Lin Jian-Hua.(2012).Phase Relationship, Structure and Cationic Distribution of Oxides in the Mn3O4-Fe2O3 System Synthesized at 1200 degrees C.ACTA PHYSICO-CHIMICA SINICA,28(5),1021-1029. |
| MLA | Wang Rong,et al."Phase Relationship, Structure and Cationic Distribution of Oxides in the Mn3O4-Fe2O3 System Synthesized at 1200 degrees C".ACTA PHYSICO-CHIMICA SINICA 28.5(2012):1021-1029. |
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来源：化学研究所
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