| A Mossbauer study of the magnetic coupling in iron phosphorous trisulfides |
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| 引用本文： | 戴耀东,王林,杨亚新,何云,黄红波,夏元复. A Mossbauer study of the magnetic coupling in iron phosphorous trisulfides[J]. 中国物理, 2004, 13(10): 1652-1656 |
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| 作者姓名： | 戴耀东 王林 杨亚新 何云 黄红波 夏元复 |
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| 作者单位： | College of Material Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China;Department of Physics, Xinyang Normal University, Xinyang 464000, China;Department of Physics, Nanjing University, Nanjing 210093, China;Department of Physics, Nanjing University, Nanjing 210093, China;Department of Physics, Nanjing University, Nanjing 210093, China;Department of Physics, Nanjing University, Nanjing 210093, China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China (Grant No G19835050). |
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| 摘 要： |
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| 关 键 词： | Moessbauer光谱 磁耦合 X射线衍射光谱 三硫化亚磷铁 Ising模型 多晶结构 磁性材料 |
| 收稿时间： | 2004-03-11 |
A M?ssbauer study of the magnetic coupling in iron phosphorous trisulfides |
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| Dai Yao-Dong,Wang Lin,Yang Ya-Xin,He Yun,Huang Hong-Bo and Xia Yuan-Fu. A M?ssbauer study of the magnetic coupling in iron phosphorous trisulfides[J]. Chinese Physics, 2004, 13(10): 1652-1656 |
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| Authors: | Dai Yao-Dong Wang Lin Yang Ya-Xin He Yun Huang Hong-Bo Xia Yuan-Fu |
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| Affiliation: | College of Material Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China; Department of Physics, Nanjing University, Nanjing 210093, China; Department of Physics, Xinyang Normal University, Xinyang 464000, China |
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| Abstract: | The polycrystalline sample of layered compound FePS_3 has been investigated by using M?ssbauer spectroscopy (12K to 300K), magnetic susceptibility measurements, x-ray diffraction and FTIR spectroscopy. The antiferromagnetic order exists below T_N=120.5±1K. The M?ssbauer spectra below T_N indicate that the magnetization axis is perpendicular to the layer of FePS_3, and the divalent iron cations are in their high spin configurations. By fitting the hyperfine field parameters near the Néel temperature, we obtain information on the nature of magnetic interactions in the material. The results show that the magnetic coupling can be treated by the two-dimensional Ising model, and it can be interpreted on the basis of a crystal-field effect. |
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| Keywords: | layered compound M?ssbauer spectroscopy magnetic coupling Ising model |
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