Studies of the g factor for Cr4+ ion in Bi4Ge3O12 crystal from crystal-field and charge-transfer mechanisms
文献类型：期刊论文
| 作者 | X. X. Wu ; W. C. Zheng ; S. Tang |
| 刊名 | Zeitschrift Fur Naturforschung Section a-a Journal of Physical Sciences
 |
| 出版日期 | 2004 |
| 卷号 | 59期号:7-8页码:467-470 |
| 关键词 | electron paramagnetic resonance crystal- and ligand- field theory charge-transfer mechanism Cr4+ Bi4Ge3O12 electron-paramagnetic-resonance atomic screening constants single-crystals superposition model scf functions epr |
| ISSN号 | 0932-0784 |
| 中文摘要 | The complete third-order perturbation formulas of the g factors g(\\) and g(perpendicular to) for 3d(2) ions in tetragonal MX4 clusters have been obtained by a cluster approach. In these formulas, in addition to contributions to the g factors from the crystal-field mechanism in the crystal-field theory, the contributions from the charge-transfer mechanism are included. From these formulas, the g factors g(\\) and g(perpendicular to) for a Cr4+ ion in a Bi4Ge3O12 crystal are calculated. The results agree with the observed values. The calculated Deltag(i)(i = \\ or perpendicular to) value due to the charge-transfer is opposite in sign and about 20% greater than that due to the crystal-field mechanism. So, for the 3d(n) ions having a high valence in crystals, a reasonable explanation of the g factors should take both the crystal-field and charge-transfer mechanisms into account. |
| 原文出处 | |
| 公开日期 | 2012-04-14 |
| 源URL | [http://ir.imr.ac.cn/handle/321006/35641]  |
| 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 | X. X. Wu,W. C. Zheng,S. Tang. Studies of the g factor for Cr4+ ion in Bi4Ge3O12 crystal from crystal-field and charge-transfer mechanisms[J]. Zeitschrift Fur Naturforschung Section a-a Journal of Physical Sciences,2004,59(7-8):467-470. |
| APA | X. X. Wu,W. C. Zheng,&S. Tang.(2004).Studies of the g factor for Cr4+ ion in Bi4Ge3O12 crystal from crystal-field and charge-transfer mechanisms.Zeitschrift Fur Naturforschung Section a-a Journal of Physical Sciences,59(7-8),467-470. |
| MLA | X. X. Wu,et al."Studies of the g factor for Cr4+ ion in Bi4Ge3O12 crystal from crystal-field and charge-transfer mechanisms".Zeitschrift Fur Naturforschung Section a-a Journal of Physical Sciences 59.7-8(2004):467-470. |
入库方式： OAI收割
来源：金属研究所
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