Absence of ferromagnetism in bulk polycrystalline Zn0.9Co0.1O
文献类型：期刊论文
| 作者 | Yin, S; Xu, MX; Yang, 刘涛; Hu TD(胡天斗) ; L; Liu, JF; Rosner, H; Hahn, H; Gleiter, H; Schild, D
|
| 刊名 | PHYSICAL REVIEW B
 |
| 出版日期 | 2006 |
| 卷号 | 73期号:22页码:224408 |
| 通讯作者 | Zhejiang Univ, Dept Mat Sci & Engn, Lab New Structured Mat, Hangzhou 310027, Peoples R China ; Natl Inst Mat Sci, Superconducting Mat Ctr, New Mat Grp, Tsukuba, Ibaraki 3050044, Japan ; Forschungszentrum Karlsruhe, Inst Nanotechnol, D-76021 Karlsruhe, Germany ; Forschungszentrum Karlsruhe, Inst Nucl Waste Disposal, D-76021 Karlsruhe, Germany ; Forschungszentrum Karlsruhe, Inst Solid State Phys, D-76021 Karlsruhe, Germany ; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China |
| 英文摘要 | The atomic structure and the magnetic properties of 5 and 10 at. % Co-doped ZnO samples prepared by a high-pressure and high-temperature method have been investigated by various techniques, including x-ray diffraction with Rietveld refinements, scanning electron microscopy, high-resolution transmission electron microscopy, nanometer-sized element mapping, x-ray photoelectron spectroscopy, near-edge x-ray absorption fine structure, and extended x-ray absorption fine structure and magnetization measurements. It is found that Co ions with a valence of 2+ substitute Zn ions in the wurtzite ZnO structure. No metallic or oxidic Co-rich clusters were detected in the samples. If Co2+ ions substitute Zn2+ ions, no intrinsic ferromagnetism is observed in ZnO at doping levels up to 10 at. % Co even down to 5 K. A paramagnetic behavior with partially antiferromagnetic interactions is observed. Thus, in bulk Co-doped ZnO system any observation of ferromagnetism is probably due to small clusters of second phase materials. However, in thin films the situation might be more complex, since other extrinsic influences, such as strain or proximity effects, may modify the electronic and magnetic properties. |
| 学科主题 | Physics |
| 类目[WOS] | Physics, Condensed Matter |
| 研究领域[WOS] | Physics |
| 原文出处 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000238696300054 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/241038]  |
| 专题 | 高能物理研究所_多学科研究中心 中国科学院高能物理研究所_技术发展与经营管理处 |
| 作者单位 | 中国科学院高能物理研究所 |
| 推荐引用方式 GB/T 7714 | Yin, S,Xu, MX,Yang, 刘涛,et al. Absence of ferromagnetism in bulk polycrystalline Zn0.9Co0.1O[J]. PHYSICAL REVIEW B,2006,73(22):224408. |
| APA | Yin, S.,Xu, MX.,Yang, 刘涛.,胡天斗.,L.,...&Jiang, JZ.(2006).Absence of ferromagnetism in bulk polycrystalline Zn0.9Co0.1O.PHYSICAL REVIEW B,73(22),224408. |
| MLA | Yin, S,et al."Absence of ferromagnetism in bulk polycrystalline Zn0.9Co0.1O".PHYSICAL REVIEW B 73.22(2006):224408. |
入库方式： OAI收割
来源：高能物理研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。