Synthesis of high-TC ferromagnetic Mn-doped ZnOnanorods by thermal evaporation
This paper reports that a large amount of Mn-doped ZnO nanorods have been synthesized through thermal evaporation. The morphologies and properties are studied with x-ray diffraction, a scanning electron microscope, transmission electron microscope and Raman spectroscope. The results indicate that th...
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| Published in | Chinese physics B no. 2; pp. 347 - 351 |
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| Main Author | |
| Format | Journal Article |
| Language | English |
| Published |
2010
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1674-1056 2058-3834 |
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| Abstract | This paper reports that a large amount of Mn-doped ZnO nanorods have been synthesized through thermal evaporation. The morphologies and properties are studied with x-ray diffraction, a scanning electron microscope, transmission electron microscope and Raman spectroscope. The results indicate that the manganese atoms occupy the zinc vacancies in the wurtzite lattice of ZnO without forming secondary phases. The exact manganese content has been studied by the x-ray fluorescence spectrum. Meanwhile, the magnetic moment versus temperature result proves that the as-prepared Mn-doped ZnO nanorods show ferromagnetic properties at temperatures as high as 400~K. These studies provide a good understanding of the origin of magnetic properties in diluted magnetic semiconductors. |
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| AbstractList | This paper reports that a large amount of Mn-doped ZnO nanorods have been synthesized through thermal evaporation. The morphologies and properties are studied with x-ray diffraction, a scanning electron microscope, transmission electron microscope and Raman spectroscope. The results indicate that the manganese atoms occupy the zinc vacancies in the wurtzite lattice of ZnO without forming secondary phases. The exact manganese content has been studied by the x-ray fluorescence spectrum. Meanwhile, the magnetic moment versus temperature result proves that the as-prepared Mn-doped ZnO nanorods show ferromagnetic properties at temperatures as high as 400~K. These studies provide a good understanding of the origin of magnetic properties in diluted magnetic semiconductors. |
| Author | 郑凯泓 刘政 刘基 胡丽君 王东伟 陈春英 孙连峰 |
| AuthorAffiliation | National Center for Nanoscience and Technology, Beijing 100190, China Graduate School of the Chinese Academy of Sciences, Beijing 100049, China |
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| Snippet | This paper reports that a large amount of Mn-doped ZnO nanorods have been synthesized through thermal evaporation. The morphologies and properties are studied... |
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| StartPage | 347 |
| SubjectTerms | 射线衍射 拉曼光谱仪 氧化锌纳米棒 热蒸发 锰掺杂 |
| Title | Synthesis of high-TC ferromagnetic Mn-doped ZnOnanorods by thermal evaporation |
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