Double-exchange model study of multiferroic RMnO3 perovskites
文献类型：期刊论文
| 作者 | Dong, S.2,3,4; Yu, R.2,3; Yunoki, S.5,6; Liu, J. -M.1,4; Dagotto, E.2,3 |
| 刊名 | EUROPEAN PHYSICAL JOURNAL B
 |
| 出版日期 | 2009-10-01 |
| 卷号 | 71期号:3页码:339-344 |
| ISSN号 | 1434-6028 |
| DOI | 10.1140/epjb/e2009-00225-1 |
| 通讯作者 | Dong, S.(saintdosnju@gmail.com) |
| 英文摘要 | In this proceeding, recent theoretical investigations by the authors on the multiferroic RMnO3 perovskites are briefly reviewed at first. Using the double-exchange model, the realistic spiral spin order in undoped manganites such as TbMnO3 and DyMnO3 is well reproduced by incorporating a weak next-nearest neighbor superexchange (similar to 10% of nearest neighbor superexchange) and moderate Jahn-Teller distortion. The phase transitions from the A-type antiferromagnet (as in LaMnO3), to the spiral phase (as in TbMnO3), and finally to the E-type antiferromagnet (as in HoMnO3), with decreasing size of the R ions, were also explained. Moreover, new results of phase diagram of the three-dimensional lattice are also included. The ferromagnetic tendency recently discovered in the LaMnO3 and TbMnO3 thin films is explained by considering the substrate stress. Finally, the relationship between our double-exchange model and a previously used J(1)-J(2)-J(3) model is further discussed from the perspective of spin wave excitations. |
| 资助项目 | NSF[DMR-0706020] ; Division of Materials Science and Engineering, U.S. DOE ; National Key Projects for Basic Research of China[2006CB921802] ; National Key Projects for Basic Research of China[2009CB929501] ; National Natural Science Foundation of China[50832002] ; CREST-JST ; China Scholarship Council |
| WOS研究方向 | Physics |
| 语种 | 英语 |
| 出版者 | SPRINGER |
| WOS记录号 | WOS:000271029200006 |
| 资助机构 | NSF ; Division of Materials Science and Engineering, U.S. DOE ; National Key Projects for Basic Research of China ; National Natural Science Foundation of China ; CREST-JST ; China Scholarship Council |
| 源URL | [http://ir.imr.ac.cn/handle/321006/98766]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Dong, S. |
| 作者单位 | 1.Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China 2.Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA 3.Mat Sci & Technol Div, Oak Ridge Natl Lab, Oak Ridge, TN 38231 USA 4.Nanjing Univ, Nanjing Natl Lab Microstruct, Nanjing 210093, Peoples R China 5.RIKEN, Computat Condensed Matter Phys Lab, Wako, Saitama 3510198, Japan 6.Japan Sci & Technol Agcy, CREST, Kawaguchi, Saitama 3320012, Japan |
| 推荐引用方式 GB/T 7714 | Dong, S.,Yu, R.,Yunoki, S.,et al. Double-exchange model study of multiferroic RMnO3 perovskites[J]. EUROPEAN PHYSICAL JOURNAL B,2009,71(3):339-344. |
| APA | Dong, S.,Yu, R.,Yunoki, S.,Liu, J. -M.,&Dagotto, E..(2009).Double-exchange model study of multiferroic RMnO3 perovskites.EUROPEAN PHYSICAL JOURNAL B,71(3),339-344. |
| MLA | Dong, S.,et al."Double-exchange model study of multiferroic RMnO3 perovskites".EUROPEAN PHYSICAL JOURNAL B 71.3(2009):339-344. |
入库方式： OAI收割
来源：金属研究所
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