Crystal structure, magnetic and electrical-transport properties of rare-earth-doped Sr2FeMoO6
文献类型：期刊论文
| 作者 | Zhang, Q ; Rao, GH ; Xiao, YG ; Dong, HZ ; Liu, GY ; Zhang, Y ; Liang, JK |
| 刊名 | PHYSICA B-CONDENSED MATTER
 |
| 出版日期 | 2006 |
| 卷号 | 381期号:1-2页码:233 |
| 关键词 | DOUBLE-PEROVSKITE SR2FEMOO6 LOW-FIELD MAGNETORESISTANCE ELECTRONIC-PROPERTIES TEMPERATURE TRANSITION DISORDER OXIDE |
| ISSN号 | 0921-4526 |
| 通讯作者 | Rao, GH: Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100080, Peoples R China. |
| 中文摘要 | Crystal structure, magnetic and electrical-transport properties of the rare-earth-doped compounds (Sr(1.85)Ln(0.15))FeMoO6 (Ln = Sr, La, Ce, Pr, Nd, Sin and Eu) have been investigated by means of X-ray diffraction, magnetic and electric measurements. All the samples are single phase and belong to the I4/m space group. Due to the competing contributions of electron doping and steric effects, the unit-cell volume of the doped compounds changes slightly and does not vary systematically with the ionic radius of the rare-earth ions. The temperature dependence of the magnetization of (Sr(1.85)Ln(0.15))FeMoO6 indicates that the Curie temperature of the doped compounds has increased upon doping, except for the Eu-doped compound. The saturation magnetization of the compounds at 5 K cannot be explained simply by considering the ferrimagnetic arrangement of the magnetic sublattices of Fe and Mo because of the magnetic contribution of rare-earth ions. However, the saturation magnetization at 100 K of the doped compounds exhibits a linear decrease with the increase of the anti-site defect concentration. Comparison of the saturation magnetization of the compounds at 5 and 100 K suggests that at 5 K the magnetic moments of Ce, Pr, Nd and Sin align parallel with that of Fe, while the magnetic moment of Eu is anti-parallel with that of Fe. The normalized resistivities of the parent and the La- and Sm-doped compounds exhibit a semiconductor-metal transition, while the Pr-, Nd- and Eu-doped compounds exhibit semiconducting behavior. (c) 2006 Elsevier B.V. All rights reserved. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2013-09-17 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/35405]  |
| 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 | Zhang, Q,Rao, GH,Xiao, YG,et al. Crystal structure, magnetic and electrical-transport properties of rare-earth-doped Sr2FeMoO6[J]. PHYSICA B-CONDENSED MATTER,2006,381(1-2):233. |
| APA | Zhang, Q.,Rao, GH.,Xiao, YG.,Dong, HZ.,Liu, GY.,...&Liang, JK.(2006).Crystal structure, magnetic and electrical-transport properties of rare-earth-doped Sr2FeMoO6.PHYSICA B-CONDENSED MATTER,381(1-2),233. |
| MLA | Zhang, Q,et al."Crystal structure, magnetic and electrical-transport properties of rare-earth-doped Sr2FeMoO6".PHYSICA B-CONDENSED MATTER 381.1-2(2006):233. |
入库方式： OAI收割
来源：物理研究所
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