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Scanning magnetic force microscope probe, manufacturing method thereof, and ferromagnetic alloy film forming method for carbon nanotube
Scanning magnetic force microscope probe, manufacturing method thereof, and ferromagnetic alloy film forming method for carbon nanotube
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机译:扫描磁力显微镜探针,其制造方法以及用于碳纳米管的铁磁合金膜形成方法
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摘要
The present invention provides a probe for a scanning magnetic force microscope having a resolution sufficient to allow observation of a magnetic storage medium with 1200 kFCI or higher recording densities, a method for producing the probe, and a method for forming a ferromagnetic alloy film on a carbon nanotube. In the context of the present invention, the probe for a scanning magnetic force microscope comprises a carbon nanotube whose surface is at least in part coated with a ferromagnetic alloy film consisting of any one of a Co-Fe alloy and a Co-Ni alloy, wherein the arithmetic mean roughness (Ra 10 mum) of the surface of the ferromagnetic alloy film is controlled to 1.15 nm or less. A method for producing such probes for a scanning magnetic force microscope and a method for forming such a ferromagnetic alloy film on a carbon nanotube, so as to achieve such mean surface roughness by controlling the growth rate of the ferromagnetic alloy film within the range of 1.0 to 2.5 nm/min, is also disclosed.
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