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Characterization by STM and electrical conductivity of single-walled carbon nanotubes

机译:STM表征和单壁碳纳米管的电导率

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摘要

Single-walled carbon nanotubes (SWCNT) prepared by a DC-Arc-Discharge and purified by a hydrothermal treatment followed by several steps of procedures including heating, burning, extracting and acid-washing are investigated by a conventional STM technique morphologically and spectroscopically. The electrical resistivities of compacted pellets (mats) of SWCNT are measured as a function of temperature in the range from the room-temperature to 1.5 K. The behaviors seems to be essentially originated in the metallic nature of individual SWCNT.
机译:通过常规的STM技术从形态和光谱上研究了通过DC-Arc-Discharge制备并通过水热处理和随后几个步骤的加热,燃烧,萃取和酸洗的单壁碳纳米管(SWCNT)。在室温至1.5 K的范围内,测量SWCNT压实丸粒(垫)的电阻率与温度的关系。这种行为似乎主要源于单个SWCNT的金属性质。

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