Studies of the spin-Hamiltonian parameters, d-d transitions and defect structures for two tetragonal Cu(2+) centers in Ba(2)ZnF(6):Cu(2+) crystal
文献类型：期刊论文
| 作者 | D. T. Zhang ; L. He ; W. Q. Yang ; W. C. Zheng |
| 刊名 | Journal of Luminescence
 |
| 出版日期 | 2009 |
| 卷号 | 129期号:11页码:1371-1374 |
| 关键词 | Electron paramagnetic resonance (EPR) d-d transition Crystal-field theory Defect structure Cu(2+) Ba(2)ZnF(6) paramagnetic-res spectrum hyperfine parameters optical-spectrum 3d(n) ions epr field distortions resonance ligand |
| ISSN号 | 0022-2313 |
| 中文摘要 | Two theoretical methods, the perturbation theory method (PTM) and the complete diagonalization (of energy matrix) method (CDM), are applied to calculate the spin-Hamiltonian parameters (g-factors g(parallel to), g(perpendicular to) and hyperfine structure constants A(parallel to), A(perpendicular to), obtained from electron paramagnetic resonance (EPR) spectra) and d-d transitions (obtained from optical spectra) for two tetragonal Cu(2+) centers in Ba(2)ZnF(6):Cu(2+) crystals. The Cu(2+)(I) ion replaces the Zn(2+) ion at tetragonally compressed octahedral coordination and has the ground state (2)A(1)(vertical bar d(z2) >),whereas the Cu(2+)(II) ion is at an interstitial site with a square-planar F-coordination and has the ground state (2)B(2)(vertical bar d(x2-y2>)). The calculated spin-Hamiltonian parameters and d-d transitions from the PTM and CDM coincide and are in reasonable agreement with the experimental values. This suggests that both methods are effective for the theoretical studies of EPR and optical spectral data for 3d(9) ions in tetragonal symmetry with different ground states. The defect structures of the two Cu(2+) centers in Ba(2)ZnF(6):Cu(2+) are also estimated. (c) 2009 Elsevier B.V. All rights reserved. |
| 原文出处 | |
| 公开日期 | 2012-04-13 |
| 源URL | [http://210.72.142.130/handle/321006/32525]  |
| 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. T. Zhang,L. He,W. Q. Yang,et al. Studies of the spin-Hamiltonian parameters, d-d transitions and defect structures for two tetragonal Cu(2+) centers in Ba(2)ZnF(6):Cu(2+) crystal[J]. Journal of Luminescence,2009,129(11):1371-1374. |
| APA | D. T. Zhang,L. He,W. Q. Yang,&W. C. Zheng.(2009).Studies of the spin-Hamiltonian parameters, d-d transitions and defect structures for two tetragonal Cu(2+) centers in Ba(2)ZnF(6):Cu(2+) crystal.Journal of Luminescence,129(11),1371-1374. |
| MLA | D. T. Zhang,et al."Studies of the spin-Hamiltonian parameters, d-d transitions and defect structures for two tetragonal Cu(2+) centers in Ba(2)ZnF(6):Cu(2+) crystal".Journal of Luminescence 129.11(2009):1371-1374. |
入库方式： OAI收割
来源：金属研究所
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