| 微波调频在铁磁共振实验中的应用 |
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| 引用本文： | 廖红波,王海燕,何琛娟,樊洁平. 微波调频在铁磁共振实验中的应用[J]. 大学物理, 2011, 30(12): 42-44,57 |
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| 作者姓名： | 廖红波 王海燕 何琛娟 樊洁平 |
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| 作者单位： | 北京师范大学物理系,北京,100875 |
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| 基金项目： | 教育部第二类特色专业建设项目，北京师范大学教育改革项目资助 |
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| 摘 要： | 研究了微波调频在铁磁共振实验中的应用.在实验中,通过速调管的微波调频方法确定了传输式谐振腔的共振频率,然后利用速调管的机械调谐和电子调谐,方便迅速地使微波频率与之匹配,在此基础上测量了单晶铁磁材料的共振曲线.
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| 关 键 词： | 微波调频 铁磁共振 传输式谐振腔 |
Application of frequency-modulated microwave in the experiment of ferromagnetic resonance |
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| LIAO Hong-bo,WANG Hai-yan,HE Chen-juan,FAN Jie-ping. Application of frequency-modulated microwave in the experiment of ferromagnetic resonance[J]. College Physics, 2011, 30(12): 42-44,57 |
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| Authors: | LIAO Hong-bo WANG Hai-yan HE Chen-juan FAN Jie-ping |
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| Affiliation: | (Department of Physics,Beijing Normal University,Beijing 100875,China) |
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| Abstract: | In this paper,we introduce how the frequency-modulated microwave used in the experiment of ferromagnetio resonance.In our experiment,the resonant frequency of the transmission resonant cavity can be measured rapidly by using the frequency-modulated microwave emitted from the klystron.Then,by means of mechanical and electronic tuning,it is very convenient to make the frequency of the microwave resonating with that of the cavity.Based on the former adjusting,the resonant curve of the ferromagnetic single-crystalline materials can be easily obtained. |
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| Keywords: | frequency-modulated microwave ferromagnetic resonance transmission resonant cavity |
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