| 具有单轴及立方各向异性的La,Ga:YIG单晶薄膜的静磁模 |
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| 引用本文： | 张秀成,周世昌,何华辉.具有单轴及立方各向异性的La,Ga:YIG单晶薄膜的静磁模[J].华中科技大学学报(自然科学版),1992(4). |
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| 作者姓名： | 张秀成 周世昌 何华辉 |
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| 作者单位： | 华中理工大学固体电子学系
(张秀成，周世昌)，华中理工大学固体电子学系(何华辉) |
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| 摘 要： | 本文研究了具有单轴及立方各向异性介质中的静磁波,发现了体模式与表面模式的临界角变化及K_x=0时体模式的分裂.结果由La,Ga;YIG单晶薄膜的铁磁共振波谱得到实验验证.
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| 关 键 词： | 自旋波 静磁模 铁磁共振 |
Magnetostatic Mode Spectra of Single Crystal La,Ga:YIG Films with Uniaxial and Cubic Anisotropies |
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| Zhang Xiuchen Zhou Shichang He Huahui.Magnetostatic Mode Spectra of Single Crystal La,Ga:YIG Films with Uniaxial and Cubic Anisotropies[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,1992(4). |
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| Authors: | Zhang Xiuchen Zhou Shichang He Huahui |
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| Institution: | Zhang Xiuchen Zhou Shichang He Huahui |
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| Abstract: | The effect of magnetocrystalline anisotropy on the magnetostatic mode spectra in a tangentially magnetized (1 1 1) YIG film is investigated theoretically. Both the cubic and uniaxial anisotropies have been taken into consideration. The anisotropy modifies the cutoff of the surface branch and the critical angle between the bulk and surface modes, and results in bulk excitation within a series of Damon-Eshbach surface modes. The magnetostatic mode spectra of La,Ga:YIG film are measured. Experimental results are in agreement with calculated ones. |
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| Keywords: | spin waves magnetostatic mode ferromagnetic resonance |
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