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Proceedings Paper

Imaging of biological material with STM/AFM (Invited Paper)
Author(s): Miguel Salmeron; D. Frank Ogletree; G. Neubauer; M. N. Murray; Thomas Wilson; M. D. Bednarski; William F. Kolbe; Albert Folch
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Paper Abstract

The application of the STM and AFM techniques to imaging of biomolecules is reviewed. It is shown that in order to image poorly conductive molecules of nanometer dimensions, the STM has to be operated at high gap resistances in the 1012 ohm range. The correlation between forces and currents between tip and surface is investigated in model organic films of alkylsiloxanes on SiO2/Si(100) surfaces. The application of the AFM in the attractive and repulsive modes is also reviewed.

Paper Details

Date Published: 1 February 1992
PDF: 15 pages
Proc. SPIE 1556, Scanning Microscopy Instrumentation, (1 February 1992); doi: 10.1117/12.134886
Show Author Affiliations
Miguel Salmeron, Lawrence Berkeley Lab. (United States)
D. Frank Ogletree, Lawrence Berkeley Lab. (United States)
G. Neubauer, Lawrence Berkeley Lab. (United States)
M. N. Murray, Lawrence Berkeley Lab. (United States)
Thomas Wilson, Lawrence Berkeley Lab. (United States)
M. D. Bednarski, Lawrence Berkeley Lab. (United States)
William F. Kolbe, Lawrence Berkeley Lab. (United States)
Albert Folch, Univ. de Barcelona (United States)

Published in SPIE Proceedings Vol. 1556:
Scanning Microscopy Instrumentation
Gordon S. Kino, Editor(s)

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