| 用Diamond TG/DTA热重/差热综合热分析仪在外加磁场下研究磁性材料相转变 |
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| 引用本文： | 毕四军,隋文波,李华,张晶,薛德胜. 用Diamond TG/DTA热重/差热综合热分析仪在外加磁场下研究磁性材料相转变[J]. 分析测试技术与仪器, 2015, 21(1): 12-15 |
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| 作者姓名： | 毕四军 隋文波 李华 张晶 薛德胜 |
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| 作者单位： | 1. 兰州大学物理科学与技术学院磁学与磁性材料教育部重点实验室,甘肃兰州,730000
2. 北方民族大学,宁夏银川,750021 |
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| 基金项目： | 兰州大学磁性表征示范机组项目(CERS-1-89). |
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| 摘 要： | 介绍综合热分析仪Diamond TG/DTA在磁性材料研究中的应用.提出在外加磁场作用下,得到样品的热重曲线(TG),由TG曲线分析样品磁性相变及样品居里温度变化的原因,看到稀土铁基金属间化合物样品替代的Co元素的站位和元素之间相互作用对居里温度有很大影响.作为一种测量居里温度的方法,拓展Diamond TG/DTA热分析仪应用研究领域.
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| 关 键 词： | Diamond TG/DTA热分析仪 磁性材料 居里温度 外加磁场 热重曲线 |
| 收稿时间： | 2014-12-25 |
| 修稿时间： | 2015-03-04 |
Study of Phase Transition of Magnetic Materials with Addition of a Magnetic Field on a Diamond TG/DTA |
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| BI Si-jun,SUI Wen-bao,LI Hu,ZHANG Jing and XUE De-sheng. Study of Phase Transition of Magnetic Materials with Addition of a Magnetic Field on a Diamond TG/DTA[J]. Analysis and Testing Technology and Instruments, 2015, 21(1): 12-15 |
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| Authors: | BI Si-jun SUI Wen-bao LI Hu ZHANG Jing XUE De-sheng |
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| Affiliation: | Key Laboratory for Mageneism and Magentic Materias of Ministry of Education, School of Physics and Technology, Lanzhou university, Lanzhou 730000, China;Key Laboratory for Mageneism and Magentic Materias of Ministry of Education, School of Physics and Technology, Lanzhou university, Lanzhou 730000, China;Key Laboratory for Mageneism and Magentic Materias of Ministry of Education, School of Physics and Technology, Lanzhou university, Lanzhou 730000, China;Beifang University of Nationalities, Yinchuan 750021, China;Key Laboratory for Mageneism and Magentic Materias of Ministry of Education, School of Physics and Technology, Lanzhou university, Lanzhou 730000, China |
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| Abstract: | The application of a comprehensive thermal analyzer Diamond TG/DTA in the research of magnetic material is introduced. Under the action of magnetic field, thermogravimetric curves(TG) of the samples were obtained. From the analysis of the TG curve of the magnetic phase transition of sample and the cause of the Curie temperature change, it is seen that positioning of the replaced Co element on the rare earth iron compound sample and the interaction between the elements have great impact on the Curie temperature. As a measuring method for Curie temperature,it expands the field of application and research for Diamond TG/DTA. |
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| Keywords: | Diamond TG/DTA thermal analyzer magnetic materials Curie temperature plus a magnetic field TG |
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