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Sled-Type Motion on the Nanometer Scale: Determination of Dissipation and Cohesive Energies of C 60
Abstract
The tribological properties of C 60 on the mesoscopic scale were investigated with a scanning force microscope, which allowed simultaneous measurements of normal and lateral forces under ultrahigh-vacuum conditions. Islands of C 60 , deposited on NaCl(001), could be moved by the action of the probing tip in a controlled way. Different modes of motion, such as translation and rotation, were observed. An extremely small dissipation energy of about 0.25 millielectron volt per molecule and a cohesive energy of 1.5 electron volts were determined in these nanometer-scale experiments. The corresponding shear strength of 0.05 to 0.1 megapascal was smaller by one order of magnitude than typical values of boundary lubricants. For C 60 on graphite, disruption of the islands was observed and collective motion of the islands could not be achieved. These results could find use in the field of nanotechnology; for example, C 60 islands could be developed into a sled-type transport system on the nanometer scale.
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Positioning single atoms with a scanning tunnelling microscope
Eigler, D. M., & Schweizer, E. K. (1990) · Nature · doi:10.1038/344524a0 · Cited by 3,161
Cited by
Schwarz, U. D., Zwörner, O., Köster, P., & Wiesendanger, R. (1997) · Physical Review B · doi:10.1103/physrevb.56.6987 · Cited by 290
J. Phys.: Condens. Matter, 13, 619
(2001) · Journal of Physics Condensed Matter · doi:10.1088/0953-8984/13/31/202 · Cited by 206
Epitaxial Growth of Calcite Crystals on Dolomite and Kutnahorite (104) Surfaces
Pimentel, C., Pina, C. M., & Gnecco, E. (2013) · Crystal Growth & Design · doi:10.1021/cg400315g · Cited by 28
Metadata
- Authors
- Lüthi, R., Meyer, E., Haefke, H., Howald, L., Gutmannsbauer, W., & Güntherodt, H. J.
- Venue
- Science
- Published
- 1994-12-23
- Volume
- 266
- Issue
- 5193
- Pages
- 1979-1981
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2063335293
- Cited by
- 193
- References
- 1
- FWCI
- 6.84
- Type
- journal article
- Language
- en
- Open access
- closed
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- Lüthi, R., Meyer, E., Haefke, H., Howald, L., Gutmannsbauer, W., & Güntherodt, H. J. (1994). Sled-Type Motion on the Nanometer Scale: Determination of Dissipation and Cohesive Energies of C 60. Science. https://doi.org/10.1126/science.266.5193.1979
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