Zero-field splittings and local tilting angles tau(Mn2+) for Mn2+ in ZnGeP2 and CdGeP2 crystals
文献类型：期刊论文
| 作者 | H. G. Liu ; X. X. Wu ; 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:417-420 |
| 关键词 | Electron paramagnetic resonance (EPR) Defect structure Crystal- and ligand-field theory Superposition model Mn2+ ZnGeP2 GdGeP2 room-temperature ferromagnetism cr3+ ions semiconductors epr parameters dependence znsip2 |
| ISSN号 | 1386-1425 |
| 中文摘要 | The electron paramagnetic resonance (EPR) zero-field splittings (ZFSs) D of Mn2+ in ZnGeP2 and CdGeP2 crystals are calculated from both the microscopic spin-orbit coupling mechanism and the empirical superposition model. From the calculations, the ZFS D of ZnGeP2:Mn2+ is reasonably explained by using the local tilting angle tau(Mn2+) (rather than the corresponding angle tau(Zn2+) in the host crystal) and the local tilting angle tau(Mn2+) (which has not been reported) in CdGeP2:Mn2+ is estimated. The intrinsic ZFS parameter (b) over bar (2) (R-0) approximate to -0.052(6) cm(-1) (with R-0 approximate to 2.43 angstrom A) is suggested for Mn2+-P3- combination by using the local tilting angles tau(Mn2+). The value is quite unlike that (approximate to 0.4(2) cm(-1)) obtained in the previous paper by combining the crystallographic data of host crystals with the ZFSs for Mn2+ ions in crystals. The reasonableness of these results is 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/321006/32945]  |
| 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 | H. G. Liu,X. X. Wu,W. C. Zheng. Zero-field splittings and local tilting angles tau(Mn2+) for Mn2+ in ZnGeP2 and CdGeP2 crystals[J]. Spectrochimica Acta Part a-Molecular and Biomolecular Spectroscopy,2008,71(2):417-420. |
| APA | H. G. Liu,X. X. Wu,&W. C. Zheng.(2008).Zero-field splittings and local tilting angles tau(Mn2+) for Mn2+ in ZnGeP2 and CdGeP2 crystals.Spectrochimica Acta Part a-Molecular and Biomolecular Spectroscopy,71(2),417-420. |
| MLA | H. G. Liu,et al."Zero-field splittings and local tilting angles tau(Mn2+) for Mn2+ in ZnGeP2 and CdGeP2 crystals".Spectrochimica Acta Part a-Molecular and Biomolecular Spectroscopy 71.2(2008):417-420. |
入库方式： OAI收割
来源：金属研究所
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