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7 Dec 1998

Volume 73, Issue 23, pp. 3321-3467

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Single-walled carbon nanotube probes for high-resolution nanostructure imaging

Stanislaus S. Wong, Adam T. Woolley, Teri Wang Odom, Jin-Lin Huang, Philip Kim, Dimitri V. Vezenov, and Charles M. Lieber

Appl. Phys. Lett. 73, 3465 (1998); http://dx.doi.org/10.1063/1.122798 (3 pages) | Cited 67 times

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Single-walled carbon nanotube (SWNT) tips have been used to image nanostructures with high resolution. Studies of gold nanocrystal standards showed that SWNT tips provide a significant improvement in lateral resolution with respect to multi-walled nanotube tips and microfabricated Si tips. The nanotube tips were also used to resolve substructure within SWNTs deposited on surfaces. These results suggest that observed 1.5 nm high structures can correspond to several SWNTs aligned in parallel. In addition, SWNT tips exhibited superior resolution compared to conventional tips when imaging biological nanostructures, such as double-stranded DNA. The potential and future challenges of SWNT tips are discussed. © 1998 American Institute of Physics.
Show PACS
07.79.Lh Atomic force microscopes
68.37.Ef Scanning tunneling microscopy (including chemistry induced with STM)
68.37.Ps Atomic force microscopy (AFM)
68.37.Rt Magnetic force microscopy (MFM)
68.37.Uv Near-field scanning microscopy and spectroscopy
61.46.-w Structure of nanoscale materials
87.64.Dz Scanning tunneling and atomic force microscopy
87.80.-y Biophysical techniques (research methods)
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