| Temperature dependence of phonon spectra and structural characteristics in multiferroic LuFe2O4 system | |
| Hou, Y.1,2; Yao, Y. P.1,2; Dong, S. N.1,2; Teng, M. L.1,2; Sun, X. F.1,2; Li, X. G.1,2 | |
| Corresponding Author | Li, X. G.(lixg@ustc.edu.cn) |
| 2011-08-01 | |
| Source Publication | JOURNAL OF RAMAN SPECTROSCOPY
 |
| ISSN | 0377-0486 |
| Volume | 42Issue:8Pages:1695-1700 |
| Abstract | The phonon spectra and structural characteristics of the LuFe2O4 system were investigated using X-ray diffraction as well as Raman and infrared (IR) spectroscopic techniques. Two step-like anomalies of the wavenumbers of the E-g(3) peak in the Raman spectra and the E-u(3) peak in IR spectra, as well as some weak anomalies of the lattice parameters, were found around the ferrimagnetic and ferroelectric transition temperatures. The substitutions of Lu with Yb and Fe with Mn lead to the corresponding wavenumber shifts in the optical spectra, which can be attributed to the changes in the atomic mass and lattice parameters. Furthermore, the Raman intensity was found to be related to the changes in the local structure and electrical conductivity. These results illustrate that the structural fluctuations could effectively influence the phonon modes, and a possible interplay among the structural, magnetic, and charge-ordering properties exists in this multiferroic system. Copyright (C) 2011 John Wiley & Sons, Ltd. |
| Keyword | phonon spectra structure multiferroic |
| Funding Organization | National Natural Science Foundation of China ; National Basic Research Program of China |
| DOI | 10.1002/jrs.2916 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | National Natural Science Foundation of China ; National Basic Research Program of China[2009CB929502] |
| WOS Research Area | Spectroscopy |
| WOS Subject | Spectroscopy |
| WOS ID | WOS:000294767700014 |
| Publisher | WILEY-BLACKWELL |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/118439 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Li, X. G. |
| Affiliation | 1.Univ Sci & Technol China, Dept Phys, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Peoples R China 2.Acad Sinica, Int Ctr Mat Phys, Shenyang 110015, Peoples R China |
| Recommended Citation GB/T 7714 | Hou, Y.,Yao, Y. P.,Dong, S. N.,et al. Temperature dependence of phonon spectra and structural characteristics in multiferroic LuFe2O4 system[J]. JOURNAL OF RAMAN SPECTROSCOPY,2011,42(8):1695-1700. |
| APA | Hou, Y.,Yao, Y. P.,Dong, S. N.,Teng, M. L.,Sun, X. F.,&Li, X. G..(2011).Temperature dependence of phonon spectra and structural characteristics in multiferroic LuFe2O4 system.JOURNAL OF RAMAN SPECTROSCOPY,42(8),1695-1700. |
| MLA | Hou, Y.,et al."Temperature dependence of phonon spectra and structural characteristics in multiferroic LuFe2O4 system".JOURNAL OF RAMAN SPECTROSCOPY 42.8(2011):1695-1700. |
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