EPR parameters and local lattice structure study of trigonal Fe3+ center in CSMgCl3 crystal
文献类型：期刊论文
| 作者 | D. Dong ; X. Y. Kuang ; J. J. Guo ; W. Hui |
| 刊名 | Chemical Physics
 |
| 出版日期 | 2006 |
| 卷号 | 326期号:2-3页码:371-374 |
| 关键词 | EPR parameters local lattice structure complete energy matrices method electron-paramagnetic-resonance temperature-dependence cross-relaxation single-crystal rate constants ions pairs mn co |
| ISSN号 | 0301-0104 |
| 中文摘要 | The EPR parameters and local lattice structure study of trigonal Fe3+ center in CSMgCl3 crystal has been performed on the basis of the complete energy matrices for a d(5) configuration ion in a trigonal ligand field. It is indicated that the local lattice structure around a trigonal Fe3+ center has an elongation distortion along the crystalline c-axis, and the elongation magnitude of trigonal Fe3+ center is larger than that of the host Mg2+ ion. This may be ascribed to the fact that Fe2+ ion which exists in the as-grown CSMgCl3 crystal substitutes for Mg2+ ion. The Fe2+ ion whose radius is larger than that of host Mg2+ ion pushes the chlorine ligands upwards and downwards, respectively. Finally, the Fe2+ ion is changed into Fe3+ ion by X-ray irradiation. Simultaneously, for the trigonal Fe3+ center in the crystal, the local lattice structure parameters, R = 2.535 angstrom and theta = 50.314 degrees, are determined from our calculation, and EPR parameters b(2)(0), b(4)(0), and b(4)(3) also get a satisfactory explanation. (c) 2006 Elsevier B.V. All rights reserved. |
| 原文出处 | |
| 公开日期 | 2012-04-13 |
| 源URL | [http://ir.imr.ac.cn/handle/321006/34173]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 推荐引用方式 GB/T 7714 | D. Dong,X. Y. Kuang,J. J. Guo,et al. EPR parameters and local lattice structure study of trigonal Fe3+ center in CSMgCl3 crystal[J]. Chemical Physics,2006,326(2-3):371-374. |
| APA | D. Dong,X. Y. Kuang,J. J. Guo,&W. Hui.(2006).EPR parameters and local lattice structure study of trigonal Fe3+ center in CSMgCl3 crystal.Chemical Physics,326(2-3),371-374. |
| MLA | D. Dong,et al."EPR parameters and local lattice structure study of trigonal Fe3+ center in CSMgCl3 crystal".Chemical Physics 326.2-3(2006):371-374. |
入库方式： OAI收割
来源：金属研究所
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