Tetragonal distortions of some tetragonal Cr3+ centers in fluoroperovskite ABF(3) crystals
文献类型：期刊论文
| 作者 | Q. Zhou ; H. Y. Wu ; X. X. Wu ; W. C. Zheng |
| 刊名 | Spectrochimica Acta Part a-Molecular and Biomolecular Spectroscopy
 |
| 出版日期 | 2006 |
| 卷号 | 64期号:4页码:945-948 |
| 关键词 | defect structure electron paramagnetic resonance (EPR) crystal-field theory fluoroperovskites Cr3+ spectroscopic properties impurity ions laser |
| ISSN号 | 1386-1425 |
| 中文摘要 | The tetragonal distortions [characterized by the displacement Delta R of the F- ion intervening in Cr3+ and V-B (B2+ vacancy) or M+ ion in B2+ site] for Cr3+-V-B and Cr3+-Li+ centers in Cr3+-doped fluoroperovskites KBF3 (B = Mg, Zn) and ACdF(3) (A = K, Rb, Cs) and also for Cr3+-Na+ center in KZnF3 have been studied by calculating the EPR parameters D, g(parallel to) and g(perpendicular to) from the crystal-field theory. From the studies, an interesting trend is suggested, i.e., when the size of the co-doped monovalent impurity M+ in the nearest neighbor B2+ site is comparable to that of the replaced B 2, ion, the displacement Delta R of the intervening F- ion in Cr3+-M+ center is smaller than that in Cr3+-V-B center and if the M+ iron is much smaller or much larger than that of the replaced B2+ ion, the displacement Delta R in Cr3+-M+ center is greater than that in Cr3+-V-B center. The causes of the trend are discussed. (c) 2005 Elsevier B.V. All rights reserved. |
| 原文出处 | |
| 公开日期 | 2012-04-14 |
| 源URL | [http://ir.imr.ac.cn/handle/321006/34767]  |
| 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 | Q. Zhou,H. Y. Wu,X. X. Wu,et al. Tetragonal distortions of some tetragonal Cr3+ centers in fluoroperovskite ABF(3) crystals[J]. Spectrochimica Acta Part a-Molecular and Biomolecular Spectroscopy,2006,64(4):945-948. |
| APA | Q. Zhou,H. Y. Wu,X. X. Wu,&W. C. Zheng.(2006).Tetragonal distortions of some tetragonal Cr3+ centers in fluoroperovskite ABF(3) crystals.Spectrochimica Acta Part a-Molecular and Biomolecular Spectroscopy,64(4),945-948. |
| MLA | Q. Zhou,et al."Tetragonal distortions of some tetragonal Cr3+ centers in fluoroperovskite ABF(3) crystals".Spectrochimica Acta Part a-Molecular and Biomolecular Spectroscopy 64.4(2006):945-948. |
入库方式： OAI收割
来源：金属研究所
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