Kr and 4He Adsorption on Individual Suspended Single-Walled Carbon Nanotubes

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• 作者：Hao-Chun Lee (1)
  Oscar E. Vilches (1)
  Zenghui Wang (1)
  Erik Fredrickson (1)
  Peter Morse (1)
  Richard Roy (1)
  Boris Dzyubenko (1)
  David H. Cobden (1)
  
• 关键词：Physical adsorption ; Single wall carbon nanotubes ; Resonance frequency ; Adsorption and conductance ; Krypton and Helium adsorption
• 刊名：Journal of Low Temperature Physics
• 出版年：2012
• 出版时间：6 - December 2012
• 年：2012
• 卷：169
• 期：5
• 页码：338-349
• 全文大小：704KB
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• 作者单位：Hao-Chun Lee (1)
  Oscar E. Vilches (1)
  Zenghui Wang (1)
  Erik Fredrickson (1)
  Peter Morse (1)
  Richard Roy (1)
  Boris Dzyubenko (1)
  David H. Cobden (1)
  
  1. Department of Physics, University of Washington, Seattle, WA, 98195-1560, USA
  
• ISSN：1573-7357

文摘

We report mass and conductance adsorption isotherms of Kr on individual, single-walled, suspended carbon nanotubes for 53?K<T<90?K for several devices, and of 4He for 5?K<T<8?K for two devices. Different nanotubes, probably of different diameter and/or chirality, yield different phase diagrams, full monolayer coverages, and partial wetting characteristics for Kr. The 4He results show, for one of the devices, a greatly reduced heat of adsorption as compared to the well studied system of 4He on graphite.