| Domain structures of Nd13Fe80B7 magnets during HDDR process |
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| 引用本文： | 张臻蓉,庞智勇,赵义敏,张正义,韩圣浩,韩宝善. Domain structures of Nd13Fe80B7 magnets during HDDR process[J]. 中国物理, 2003, 12(11): 1305-1309 |
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| 作者姓名： | 张臻蓉 庞智勇 赵义敏 张正义 韩圣浩 韩宝善 |
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| 作者单位： | State Key Laboratory of Magnetism, Institute of Physics, and Center of Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080, China;School of Physics and Microelectronics, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China;Institute of Materials, University of Science and Technology Beijing, Beijing 100083, China;Institute of Materials, University of Science and Technology Beijing, Beijing 100083, China;School of Physics and Microelectronics, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China;State Key Laboratory of Magnetism, Institute of Physics, and Center of Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080, China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China (Grant No 10074081) and by the National Key Basic Research and Development Programme of China (Grant No 2001CB610504). |
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| 摘 要： | The domain structures of Nd13Fe80B7 alloy at different stages of the HDDR process have been revealed using a magnetic force microscope. In the as-cast samples, the columnar crystals with easy axis perpendicular to one another are clearly characterized by their different domain structures. For the insufficient and sufficient HD treatment, an obvious change of domain structure occurs, which is related to the variation of composition and crystalline microstructure during the HD process. And for the samples after sufficient DR processing, it is confirmed that the configuration of the columnar crystals is retained by the detected domain structures.
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| 关 键 词： | 磁化畴结构 钕-铁-硼 HDDR 磁力显微镜 晶体显微结构 X射线衍射光谱 |
| 收稿时间： | 2003-05-20 |
| 修稿时间： | 2003-08-08 |
Domain structures of Nd13Fe80B7 magnets during HDDR process |
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| Zhang Zhen-Rong,Pang Zhi-Yong,Zhao Yi-Min,Zhang Zheng-Yi,Han Sheng-Hao and Han Bao-Shan. Domain structures of Nd13Fe80B7 magnets during HDDR process[J]. Chinese Physics, 2003, 12(11): 1305-1309 |
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| Authors: | Zhang Zhen-Rong Pang Zhi-Yong Zhao Yi-Min Zhang Zheng-Yi Han Sheng-Hao Han Bao-Shan |
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| Affiliation: | Institute of Materials, University of Science and Technology Beijing, Beijing 100083, China; School of Physics and Microelectronics, State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China; State Key Laboratory of Magnetism, Institute of Physics, and Center of Condensed Matter Physics, Chinese Academy of Sciences, Beijing 100080, China |
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| Abstract: | The domain structures of Nd_{13}Fe_{80}B_7 alloy at different stages of the HDDR process have been revealed using a magnetic force microscope. In the as-cast samples, the columnar crystals with easy axis perpendicular to one another are clearly characterized by their different domain structures. For the insufficient and sufficient HD treatment, an obvious change of domain structure occurs, which is related to the variation of composition and crystalline microstructure during the HD process. And for the samples after sufficient DR processing, it is confirmed that the configuration of the columnar crystals is retained by the detected domain structures. |
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| Keywords: | magnetic domain structure Nd-Fe-B HDDR magnetic force microscope (MFM) |
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