Defect model and EPR parameters for the tetragonal Yb3+ center in KTaO3 crystal
文献类型：期刊论文
| 作者 | W. L. Feng ; H. G. Liu ; W. C. Zheng |
| 刊名 | Spectrochimica Acta Part a-Molecular and Biomolecular Spectroscopy
 |
| 出版日期 | 2008 |
| 卷号 | 71期号:2页码:559-561 |
| 关键词 | Electron paramagnetic resonance (EPR) Defect model Crystal-field theory Yb3+ KTaO3 superposition model single-crystals fe3+ ions field resonance |
| ISSN号 | 1386-1425 |
| 中文摘要 | The defect model of the tetragonal Yb3+ (at K+ site) center in KTaO3 crystal is suggested, i.e., Yb3+ ion does not occupy the ideal K+ site, but is displaced by an amount Delta Z along one of (100) axes because of the much smaller ionic radius of Yb3+ compared with that of the replaced K+. Based on the defect model, the EPR parameters (g factors g(parallel to), g(perpendicular to) and hyperfine structure constants (171)A(parallel to), (171)A(perpendicular to), (173)A(parallel to), (173)A(perpendicular to)) are calculated by diagonalizing the 14 x 14 complete energy matrix. The calculated values are in agreement with the observed values and the off-center displacement Delta Z (approximate to 0.2 angstrom) is estimated from the calculations. These results are discussed. (C) 2008 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/321006/32752]  |
| 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 | W. L. Feng,H. G. Liu,W. C. Zheng. Defect model and EPR parameters for the tetragonal Yb3+ center in KTaO3 crystal[J]. Spectrochimica Acta Part a-Molecular and Biomolecular Spectroscopy,2008,71(2):559-561. |
| APA | W. L. Feng,H. G. Liu,&W. C. Zheng.(2008).Defect model and EPR parameters for the tetragonal Yb3+ center in KTaO3 crystal.Spectrochimica Acta Part a-Molecular and Biomolecular Spectroscopy,71(2),559-561. |
| MLA | W. L. Feng,et al."Defect model and EPR parameters for the tetragonal Yb3+ center in KTaO3 crystal".Spectrochimica Acta Part a-Molecular and Biomolecular Spectroscopy 71.2(2008):559-561. |
入库方式： OAI收割
来源：金属研究所
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