Singular behavior observed in the low temperature electronic transport and thermodynamic properties of Mn doped Na0.68CoO2
文献类型：期刊论文
| 作者 | Luo, LB ; Zhao, YG ; Zhang, GM ; Guo, SM ; Cui, L ; Luo, JL |
| 刊名 | PHYSICAL REVIEW B
 |
| 出版日期 | 2006 |
| 卷号 | 73期号:24 |
| 关键词 | MAGNETIC-PROPERTIES ELECTRICAL-TRANSPORT NACO2O4 TRANSITION INSULATOR HEAT |
| ISSN号 | 1098-0121 |
| 通讯作者 | Zhao, YG (reprint author), Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China. |
| 中文摘要 | We report the electronic transport, magnetoresistance (MR), specific heat, and magnetic susceptibility of the doped compound Na0.68Co1-xMnxO2. The resistivity of the samples increases with Mn doping and a resistivity upturn at low temperatures was shown for samples with Mn exceeding 4%. This resistivity upturn can be suppressed by an external magnetic field, leading to a remarkable negative MR. The specific heat of the undoped samples can be fitted by C=gamma T+beta T-3, while the specific heat of the doped samples does not follow this behavior. Analysis shows that for samples with higher doping, the electrical resistivity (rho), the MR (M), and the specific heat divided by temperature (C/T) all exhibit similar behavior at low temperatures. They can be fitted by rho(T)=rho(0)+aT(2)+b ln T, M=M-0+a'T-2+b' ln T, and C/T=gamma+beta T-2+alpha ln T, respectively. The magnetic susceptibility (chi) of the doped samples follows the Curie-Weiss law chi=chi(0)+C/(T-theta) at high temperatures, while it exhibits chi proportional to T-lambda behavior (-1 |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2013-09-24 |
| 源URL | [http://ir.iphy.ac.cn/handle/311004/52655]  |
| 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 | Luo, LB,Zhao, YG,Zhang, GM,et al. Singular behavior observed in the low temperature electronic transport and thermodynamic properties of Mn doped Na0.68CoO2[J]. PHYSICAL REVIEW B,2006,73(24). |
| APA | Luo, LB,Zhao, YG,Zhang, GM,Guo, SM,Cui, L,&Luo, JL.(2006).Singular behavior observed in the low temperature electronic transport and thermodynamic properties of Mn doped Na0.68CoO2.PHYSICAL REVIEW B,73(24). |
| MLA | Luo, LB,et al."Singular behavior observed in the low temperature electronic transport and thermodynamic properties of Mn doped Na0.68CoO2".PHYSICAL REVIEW B 73.24(2006). |
入库方式： OAI收割
来源：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。