X-Ray photoelectron and infrared transmission spectra of manganite system La0.5-xBixCa0.5MnO3 (0 <= x <= 0.25)
文献类型：期刊论文
| 作者 | Wang, X ; Cui, QL ; Pan, YW ; Zou, GT |
| 刊名 | JOURNAL OF ALLOYS AND COMPOUNDS
 |
| 出版日期 | 2003 |
| 卷号 | 354期号:1-2页码:91 |
| 关键词 | FERROMAGNETIC PEROVSKITE BIMNO3 ABSORPTION FILMS CA MAGNETORESISTANCE LA1-XSRXMNO3 RESISTIVITY STATE |
| ISSN号 | 0925-8388 |
| 通讯作者 | Wang, X (reprint author), Chinese Acad Sci, Lab Extreme Condit Phys, Inst Phys, Beijing 100080, Peoples R China. |
| 中文摘要 | The results of measurements of X-ray photoelectron and infrared absorption spectra in the manganese oxides La0.5-xBixCa0.5MnO3 (x=0, 0.05, 0.1, 0.15, 0.2, 0.25) are presented. Compared with the energy exchange splitting in different valency Mn compounds, the average Mn valency in our samples is close to 3.5+. Infrared spectra show two strong absorption bands located around 600 and 420 cm(-1), which can be ascribed to the internal phonon modes nu(s) and nu(b). As the doping x increases, the band frequency of nu(s) decreases while the nu(b) band remains invariant. and a reversal of the intensity ratio of nu(s) to nu(b) is also observed. These results reflect the changes of the Mn-O bond length and the Mn-O-Mn bond angle of MnO6 octahedra along with the doping, and the changes are mainly influenced by the unique 6s(2) lone pair character of the doped Bi ions. (C) 2002 Elsevier Science B.V. All rights reserved. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2013-09-23 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/46702]  |
| 专题 | 物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文 |
| 推荐引用方式 GB/T 7714 | Wang, X,Cui, QL,Pan, YW,et al. X-Ray photoelectron and infrared transmission spectra of manganite system La0.5-xBixCa0.5MnO3 (0 <= x <= 0.25)[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2003,354(1-2):91. |
| APA | Wang, X,Cui, QL,Pan, YW,&Zou, GT.(2003).X-Ray photoelectron and infrared transmission spectra of manganite system La0.5-xBixCa0.5MnO3 (0 <= x <= 0.25).JOURNAL OF ALLOYS AND COMPOUNDS,354(1-2),91. |
| MLA | Wang, X,et al."X-Ray photoelectron and infrared transmission spectra of manganite system La0.5-xBixCa0.5MnO3 (0 <= x <= 0.25)".JOURNAL OF ALLOYS AND COMPOUNDS 354.1-2(2003):91. |
入库方式： OAI收割
来源：物理研究所
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