| 感生单轴各向异性对静磁正向体波传播的影响 |
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| 引用本文： | 张文康,刘公强.感生单轴各向异性对静磁正向体波传播的影响[J].哈尔滨师范大学自然科学学报,2001,17(4):53-56. |
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| 作者姓名： | 张文康 刘公强 |
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| 作者单位： | 上海交通大学 |
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| 摘 要： | 本文在倾斜磁场下研究了感生单轴各向异性对静磁正向体波频带和群延迟的影响。在静磁近似下推导出了静磁正向体波带宽及群延迟的表达式。对掺铋钇铁石榴石薄膜的数值表明感生单轴各向异性对静磁正向体波的带宽及延迟有显著的影响。在适当的倾斜磁场下，感生单轴各向异性有助于增加静正向体波的带宽并且改善延迟特性。
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| 关 键 词： | 感生单轴各向异性 静磁正向体波 带宽 群延迟 静磁波理论 斜磁场 掺铋钇铁石榴石薄膜 传播特点 |
| 修稿时间： | 2001年7月14日 |
THE EFFECTS OF THE INDUCED UNIAXIAL ANISOTROPY ON FORWARD VOLUME WAVE |
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| Zhang Wenkang,Liu Gongqiang.THE EFFECTS OF THE INDUCED UNIAXIAL ANISOTROPY ON FORWARD VOLUME WAVE[J].Natural Science Journal of Harbin Normal University,2001,17(4):53-56. |
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| Authors: | Zhang Wenkang Liu Gongqiang |
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| Institution: | Shanghai University of Communications |
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| Abstract: | This paper presents a theoretical investigatoin of the effects of the induced uniaxial anisotropy on the bandwidth and group delay of magnetostatic forward volume wave(MSFVW).The expressions for the bandwidth and group delay of MSFVW are derived under magnetostatic approximation.The numerical results for Bi-doped YIG film show that the induced uniaxial anisotropy has significant effects on the bandwidth and group delay of MSFVW.Under appropriately inclined bias field,the induced uniaxial anisotropy contributes to increasing the bandwidth and improving delay linearity of MSFVW. |
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| Keywords: | Induced uniaxial anisotropy Magnetostatic forward volume wave Bandwidth Group delay |
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