The magnetic properties of a carbon nanotube synthesized by chemical vapour deposition have been demonstrated in magnetic force microscopy using a metal current ring, which produces a well-defined magnetic field. The effective dipole and monopole moments of the metal particle at the end of the nanotubes are 1.8 x 10(-4) emu and 16 emu/cm, respectively. These values are very close to that of the conventional tip. This result suggests that the capped nanotube tip is useful for a magnetic force microscopy tip in spite of the minimal size of the particle. [References: 10]
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机译：通过使用金属电流环的磁力显微镜已证明了通过化学气相沉积合成的碳纳米管的磁性，该金属电流环会产生明确的磁场。在纳米管末端的金属粒子的有效偶极矩和单极矩分别为1.8 x 10（-4）emu和16 emu / cm。这些值非常接近常规吸头。该结果表明，尽管颗粒的尺寸最小，但封盖的纳米管尖端仍可用于磁力显微镜尖端。 [参考：10]
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