| Magnetic Properties of Spin-Ladder Compound Sr14 （Cu1-yFey）24O41 |
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| 引用本文： | 胡妮,卢志宏,程莉,熊锐,石兢.Magnetic Properties of Spin-Ladder Compound Sr14 （Cu1-yFey）24O41[J].中国物理快报,2010,27(8):214-217. |
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| 作者姓名： | 胡妮 卢志宏 程莉 熊锐 石兢 |
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| 作者单位： | [1]Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, and School of Physics and Technology, Wuhan University, Wuhan 430072 [2]School of Science, Hubei University of Technology, Wuhan 430068 [3]School of Materials and Metallurgy, Wuhan University of Science and Technology, Wuhan 430072 [4]International Center of Materials Physics, Chinese Academy of Sciences, Shenyang 110016 |
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| 基金项目： | Supported the National Natural Science Foundation of China under Grant No 10974148, the National Science Fund for Talent Training in Basic Science （No J0830310）, and the National Basic Research Program of China under Grant No 2009CB939705, the Fund of Wuhan University （5082003）, and Ministry-of-Education Key Laboratory for the Green Preparation and Application of Functional Materials （Hubei University）. |
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| 摘 要： | Magnetic properties of spin-ladder compounds Sr14（Cu1-yFey）24O41 （0 ≤ y ≤ 0.05） are investigated in the temperature range from 10 to 300 K. The result reveals that all the samples exhibit magnetic crossover behavior in the paramagnetic range, and Fe^3＋ doping can efficiently increase the susceptibility due to the large moment of Fe^3＋. Both the observations are consistent with our previous investigation on transport behaviors, indicating the strong correlation between the magnetism and transport behaviors. The spin gap is evidenced in all the samples, and strengthens as Fe^3＋ doping level increases, which can be associated with the antiferromagnetic interaction between Fe^3＋ and Cu cations.
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| 关 键 词： | 磁学性质 化合物 自旋 阶梯 反铁磁相互作用 行为调查 铁掺杂 温度范围 |
| 收稿时间： | 2009-11-16 |
Magnetic Properties of Spin-Ladder Compound Sr14(Cu1-yFey)24O41 |
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| HU Ni,LU Zhi-Hong,CHENG Li,XIONG Rui,SHI Jing.Magnetic Properties of Spin-Ladder Compound Sr14(Cu1-yFey)24O41[J].Chinese Physics Letters,2010,27(8):214-217. |
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| Authors: | HU Ni LU Zhi-Hong CHENG Li XIONG Rui SHI Jing |
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| Institution: | 1Key Laboratory of Artificial Micro- and Nano-struetures of Ministry of Education, and School of Physics and Technology, Wuhan University, Wuhan 430072 2School of Science, Hubei University of Technology, Wuhan 430068 3School of Materials and Metallurgy, Wuhan University of Science and Technology, Wuhan 430072 4International Center of Materials Physics, Chinese Academy of Sciences, Shenyang 110016) |
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