| 自组装纳米多层膜吸波性能和机理的研究 |
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| 引用本文： | 毕云飞,陶冶,刘培英. 自组装纳米多层膜吸波性能和机理的研究[J]. 金属热处理, 2004, 29(10): 21-24 |
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| 作者姓名： | 毕云飞 陶冶 刘培英 |
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| 作者单位： | 北京航空航天大学,材料科学与工程学院,北京,100083;北京航空航天大学,材料科学与工程学院,北京,100083;北京航空航天大学,材料科学与工程学院,北京,100083 |
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| 基金项目： | 国家自然科学基金 ( 5 0 2 73 0 0 1)，航空科学基金 ( 0 2J5 10 10 ) |
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| 摘 要： | 配制了钡铁氧体和PSS(poly sodium 4-styrenesulfonate)溶胶，并利用静电自组装的方法在普通玻璃板上组装了A／B型纳米多层膜。考察了纳米多层膜的吸波性能，利用紫外一可见分光光度计测量了纳米多层膜的层厚。结果表明，总层数为30个双层、总厚度为200nm左右的纳米多层膜有显著的吸波效应，在频率为8GHz-18GHz范围内，最大吸波率达到16．85dB。从量子理论出发探讨了吸波机理。
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| 关 键 词： | 钡铁氧体 静电自组装 吸波性能 量子理论 |
| 文章编号： | 0254-6051(2004)10-0021-04 |
Investigation on the Wave-Absorbing Property and Mechanism of Self-Assembled Nano Multi-Layers |
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| BI Yun-fei,TAO Ye,LIU Pei-ying. Investigation on the Wave-Absorbing Property and Mechanism of Self-Assembled Nano Multi-Layers[J]. Heat Treatment of Metals, 2004, 29(10): 21-24 |
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| Authors: | BI Yun-fei TAO Ye LIU Pei-ying |
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| Abstract: | Colloidal barium ferrite and colloidal PSS (poly sodium 4-styrenesulfonate)were prepared and a nano multi-layers film of A/B type was formed on the surface of glass plate by electrostatic self-assembly. The wave-absorbing property of the film was measured and the results show that the radar wave is absorbed between 8GHz and 18 GHz and the reflectivity reached 16.85dB. The thickness of the film and the relation between thickness and self-assembling time are measured by UV-VS spectrophotometer. The wave-absorbing mechanism of nano multi-layers film was discussed based on quantum theory. |
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| Keywords: | barium ferrite electrostatic self-assembly wave-absorbing property quantum theory |
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