Theoretical investigations of the spin Hamiltonian parameters and the local structure of a trigonal Co2+ center in Bi4Ge3O12
文献类型：期刊论文
| 作者 | S. Y. Wu ; H. N. Dong |
| 刊名 | Zeitschrift Fur Naturforschung Section a-a Journal of Physical Sciences
 |
| 出版日期 | 2004 |
| 卷号 | 59期号:9页码:563-567 |
| 关键词 | electron paramagnetic resonance (EPR) crystal-field theory and spin hamiltonians defect structure Co2+ Bi4Ge3O12 (BGO) electron-paramagnetic-resonance atomic screening constants mn-doped bi4ge3o12 single-crystals superposition model spectroscopic properties epr parameters scf functions sites ions |
| ISSN号 | 0932-0784 |
| 中文摘要 | The spin Hamiltonian parameters anisotropic g factors g(\\), g(perpendicular to) and hyperfine structure constants A(\\) and A I, as well as the local structure of the trigonal Co2+ center in Bi4Ge3O12 (BGO) are theoretically investigated by the perturbation formulas of the spin Hamiltonian parameters for a V ion in trigonal symmetry, based on the cluster approach. It is found that the impurity Co2+ substituting the host Bi3+ undergoes an off-center displacement DeltaZ(approximate to -0.132 Angstrom) away from the center of the oxygen octahedron along the C-3 axis. The spin Hamiltonian parameters based on the above displacement show reasonable agreement with the observed values. The results are discussed. |
| 原文出处 | |
| 公开日期 | 2012-04-14 |
| 源URL | [http://ir.imr.ac.cn/handle/321006/35621]  |
| 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 | S. Y. Wu,H. N. Dong. Theoretical investigations of the spin Hamiltonian parameters and the local structure of a trigonal Co2+ center in Bi4Ge3O12[J]. Zeitschrift Fur Naturforschung Section a-a Journal of Physical Sciences,2004,59(9):563-567. |
| APA | S. Y. Wu,&H. N. Dong.(2004).Theoretical investigations of the spin Hamiltonian parameters and the local structure of a trigonal Co2+ center in Bi4Ge3O12.Zeitschrift Fur Naturforschung Section a-a Journal of Physical Sciences,59(9),563-567. |
| MLA | S. Y. Wu,et al."Theoretical investigations of the spin Hamiltonian parameters and the local structure of a trigonal Co2+ center in Bi4Ge3O12".Zeitschrift Fur Naturforschung Section a-a Journal of Physical Sciences 59.9(2004):563-567. |
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来源：金属研究所
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