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Frictional-Force Imaging and Friction Mechanisms with a Lattice Periodicity

Morita, S. / Sugawara, Y. / Yokoyama, K. / Fujisawa, S.

Abstract The atomic force / lateral force microscope (AFM/LFM) using the optical lever method works as a two-dimensional frictional-force microscope (2D-FFM) in case of the atomically flat sample surface. On an atomic scale, the sliding body cannot be approximated to a uniform one but becomes a periodic one. As a result, the friction motion shows a lattice periodicity and becomes two-dimensional, because of the symmetry breaking of the stick-point distribution along the sliding (scanning) direction. Using a 2D-FFM, we can investigate the elementary process of the friction under the elastic deformation region, i.e., the two-dimensional nature of the atomic-scale friction with a lattice periodicity. Here, we show how to analyze the experimentally obtained 2D-FFM image patterns and how to deduce the load dependence of the effective adhesive region and also the stick-point distributions.

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Frictional-Force Imaging and Friction Mechanisms with a Lattice Periodicity

Morita, S. / Sugawara, Y. / Yokoyama, K. / Fujisawa, S.

Abstract The atomic force / lateral force microscope (AFM/LFM) using the optical lever method works as a two-dimensional frictional-force microscope (2D-FFM) in case of the atomically flat sample surface. On an atomic scale, the sliding body cannot be approximated to a uniform one but becomes a periodic one. As a result, the friction motion shows a lattice periodicity and becomes two-dimensional, because of the symmetry breaking of the stick-point distribution along the sliding (scanning) direction. Using a 2D-FFM, we can investigate the elementary process of the friction under the elastic deformation region, i.e., the two-dimensional nature of the atomic-scale friction with a lattice periodicity. Here, we show how to analyze the experimentally obtained 2D-FFM image patterns and how to deduce the load dependence of the effective adhesive region and also the stick-point distributions.

Frictional-Force Imaging and Friction Mechanisms with a Lattice Periodicity

Morita, S. / Sugawara, Y. / Yokoyama, K. / Fujisawa, S.

Abstract The atomic force / lateral force microscope (AFM/LFM) using the optical lever method works as a two-dimensional frictional-force microscope (2D-FFM) in case of the atomically flat sample surface. On an atomic scale, the sliding body cannot be approximated to a uniform one but becomes a periodic one. As a result, the friction motion shows a lattice periodicity and becomes two-dimensional, because of the symmetry breaking of the stick-point distribution along the sliding (scanning) direction. Using a 2D-FFM, we can investigate the elementary process of the friction under the elastic deformation region, i.e., the two-dimensional nature of the atomic-scale friction with a lattice periodicity. Here, we show how to analyze the experimentally obtained 2D-FFM image patterns and how to deduce the load dependence of the effective adhesive region and also the stick-point distributions.

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Title:

Frictional-Force Imaging and Friction Mechanisms with a Lattice Periodicity

Contributors:

Morita, S. (author) / Sugawara, Y. (author) / Yokoyama, K. (author) / Fujisawa, S. (author)

Published in:

Fundamentals of Tribology and Bridging the Gap Between the Macro- and Micro/Nanoscales ; 83-101

NATO Science Series ; 10

Publication date:

2001-01-01

Size:

19 pages

ISBN:

978-0-7923-6837-3 , 978-94-010-0736-8

ISSN:

DOI:

https://doi.org/10.1007/978-94-010-0736-8_6

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

Frictional Force , Graphite Surface , Load Dependence , Lattice Periodicity , Lateral Force Microscope Physics , Physics, general , Tribology, Corrosion and Coatings , Surfaces and Interfaces, Thin Films , Engineering Design , Characterization and Evaluation of Materials

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