The DOI matches its Crossref record; 25 of the 25 references it cites were found in a registry or an index.
Variation of the Interfacial Shear Strength and Adhesion of a Nanometer-Sized Contact
Abstract
We observe that the frictional force between a platinum-coated atomic force microscope (AFM) tip and the surface of mica in ultrahigh vacuum (UHV) varies with load in proportion to the contact area predicted by the Johnson−Kendall−Roberts (JKR) theory ( Proc. R. Soc. London, Ser. A 1971, 324, 301) of adhesive elastic contacts. Using the JKR theory, the interfacial adhesion energy and shear strength can be determined. During the experiment, the tip−sample adhesion unexpectedly decreased by more than one order of magnitude, as did the measured frictional forces . These changes were induced by scanning the tip in contact with the mica sample. We attribute the substantial friction and adhesion decreases to changes of the interface, either structural or chemical, as opposed to changes in bulk structure or properties. The interfacial adhesion energy, γ, dropped by more than one order of magnitude while the shear strength, τ, decreased to a lesser extent. Our observations indicate that, for a platinum-coated tip on mica, τ ∝ γ 0.44 . This is a new observation of a relation between adhesion and friction and is not explained by existing theories.
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Cites
Intermolecular and Surface Forces
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Quantum properties of atomic-sized conductors
Agraït, N. (2003) · Physics Reports · doi:10.1016/s0370-1573(02)00633-6 · Cited by 1,510
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Adhesive and Friction Forces between Chemically Modified Silicon and Silicon Nitride Surfaces
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Syed Asif, S. A., Wahl, K. J., Colton, R. J., & Warren, O. L. (2001) · Journal of Applied Physics · doi:10.1063/1.1380218 · Cited by 259
Chemical and Biochemical Analysis Using Scanning Force Microscopy
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Metadata
- Authors
- Carpick, R. W., Agraït, N., Ogletree, D. F., & Salmeron, M.
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 1996-01-01
- Volume
- 12
- Issue
- 13
- Pages
- 3334-3340
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W2080520150
- Cited by
- 301
- References
- 25
- FWCI
- 16.41
- Type
- journal article
- Language
- en
- Open access
- closed
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- Carpick, R. W., Agraït, N., Ogletree, D. F., & Salmeron, M. (1996). Variation of the Interfacial Shear Strength and Adhesion of a Nanometer-Sized Contact. Langmuir. https://doi.org/10.1021/la9509007
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
