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    National Tsing Hua University Institutional Repository > 理學院 > 物理系 > 期刊論文 >  Dielectric Constants of Single-Wall Carbon Nanotubes at Various Frequencies


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/55099


    Title: Dielectric Constants of Single-Wall Carbon Nanotubes at Various Frequencies
    Authors: Li, Yan-Huei;Lue, Juh-Tzeng
    教師: 呂助增
    Date: 2007
    Publisher: American Scientific Publishers
    Relation: Journal of Nanoscience and Nanotechnology, American Scientific Publishers, Volume 7, Issue 9, September 2007, Pages 3185-3188
    Keywords: DIELECTRIC CONSTANTS FROM DC TO MICROWAVE FREQUENC
    SINGLE WALL CARBON NANOTUBES
    CYLINDRICAL RESONATOR
    Abstract: A cylindrical rod composed of a uniform mixture of single-wall carbon nanotubes and alumina powders dissolved in paraffin was inserted in the center of a radio frequency cavity. The complex dielectric constant of carbon tubes at various frequencies was measured by a resistance-inductance-capacitance (RLC) meter and a microwave network analyzer. The cylindrical rod benefits the protection of the sample from adsorbing moisture and preventing the rod from filling with air, thus making accuracy experiment values. The real part and the imaginary part of the dielectric constants of single-wall carbon nanotubes are, respectively, increase and decrease in magnitudes as frequency increases satisfactorily in complying with the portray from the free electron Drude model.
    URI: http://www.aspbs.com/
    http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/55099
    Appears in Collections:[物理系] 期刊論文

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