Abstract
The making and breaking of nanometer-scale contacts is an essential operation in MEMS devices with moving parts. The behavior of contacts in this size range is not well understood, especially if viscoelastic materials are involved. This article describes shear modulation spectroscopy, a new scanning force microscope technique especially well suited for quantitative studies of nanometer-scale contacts to viscoelastic materials such as lubricants and some polymers. The technique is illustrated by measurements and analysis of contacts to poly(vinylethylene).
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References
Landman, U., Luedtke, W.D., Burnham, N.A., Colton, R.J. (1990) Atomistic Mechanisms and Dynamics of Adhesion, Nanoindentation, and Fracture, Science 248, 454–461.
Johnson, K.L. (1997) Adhesion and friction between a smooth elastic spherical asperity and a plane surface, Proc. Roy. Soc. London A 453, 163–179.
Burnham, N.A. and Colton, R.J. (1993) Force Microscopy, in D.A. Bonnell (ed.), Scanning Tunneling Microscopy and Spectroscopy,VCH Publishers, New York, pp.191–249.
Johnson, K.L. (1985) Contact Mechanics,Cambridge University Press, Cambridge.
Chaudhury, M.K. (1996) Interfacial interaction between low energy surfaces, Mati. Sci. Eng. R16, 97–158.
Maboudian, R. and Howe, R. T. (1997) Critical Review: Adhesion in surface micromechanical structures, J. Vac. Sci. Technol. B 15, 1–20.
Wahl, K.J., Stepnowski, S.V. and Unertl, W.N. (1997) Viscoelastic effects in nanometer-scale contacts under shear, Tribology Lett. (submitted).
Bhushan, B., Israelachvili, J.N., and Landman, U. (1995) Nanotribology: friction, wear and lubrication at the atomic scale, Nature 374, 607–616.
Ferry, J.D. (1980) Viscoelastic Properties of Polymers,John Wiley, New York.
Yamanaka, K. and Tomita, E. (1995) Lateral Force Modulation Atomic Force Microscope for Selective Imaging of Friction Forces, Jpn. J. Appl. Phys. 34, 2879–2882.
Carpick, R.W., Ogletree, D. F. and Salmeron, M. (1997) Lateral stiffness: a new nanomechanical measurement for the determination of shear strengths with friction force microscopy, Appl. Phys. Lett. 70, 1548–1550.
Lantz, M.A., O’Shea, A. C., Hoole, F. and Welland, M.E. (1997) Lateral stiffness of the tip and tip-sample contact in frictional force microscopy, Appl. Phys. Lett. 70, 970–972.
Lantz, M.A., O’Shea, A. C., Welland, M.E. and K. L. Johnson (1997) Atomicforce-microscope study of contact area and friction on NbSe2, Phys. Rev. B 55,10776–10785.
Luengo, G., Schmitt, F.J., Hill, R., and Israelachvili, J. (1997) Thin film Rheology and Tribology of Confined Polymer Melts: Contrasts with Bulk Properties, Macromolecules 30, 2482–2494.
Granick, S. and Hu, H.W. (1994) Nanorheology of Confined Polymer Melts. 1. Linear Shear Response at strongly Adsorbing surfaces, Langmuir 10, 3857–3866.
Georges, J. M., Tonck, A., Loubet, J.L., Mazuyer, D., Georges, E. and Sidoroff, F. (1996) Rheology and Friction of Compressed Polymer Layers Adsorbed on Solid surfaces, J. Phys. II France 6, 57–76.
Cohen, S.R., Neubauer, G., and McClelland, GM, (1990) Nanomechanics of a Au-Ir contact using a bidirectional atomic force microscope, J. Vac. Sci. Technol. A 8, 3449.
Burnham, N.A., Gremaud, G., Kulik, A.J., Gallo, P.J., and Oulevey, F. (1996) Materials’ properties measurements: Choosing the optimum scanning probe micro-scope configuration, J. Vac. Sci. Technol. B 14, 1308–1312.
Tanaka, K., Taura, A., Ge, S.R., Takahara, A., and Kajiyama, T. (1996) Molecular Weight Dependence of Surface Dynamic Viscoelastic Properties for the Monodisperse Polystyrene Film, Macromolecules 29,3040–3042.
Mazeran, P.E. and Loubet, J.L. (1997) Force modulation with a scanning force microscope: an analysis, Tribology Lett. 3,125–132.
Koleske, D.D., Lee, G.U, Gans, B.I.,Lee, K.P., DiLella, D.P., Wahl, K.J., Barger, W.R., Whitman, L.J. and Colton, R.J. (1995),Design and calibration of a scanning force microscope for friction, adhesion, and contact potential studies, Rev. Sci. Instrum. 66 4566–4574.
Ogletree, D.F., Carpick, R.W. and Salmeron, M. (1996) Calibration of frictional forces in atomic force microscopy, Rev. Sci. Instrum. 67,3298–3306.
Roland, C. M. (1994) Constraints on Local Segmental Motion in Poly(vinylethylene) Networks, Macromolecules 27, 4242–4247.
Burnham, N.A., Colton, R.J., and Pollock, H.M. (1993) Interpretation of force curves in force microscopy, Nanotechnology 4, 64–80.
Barquins, M. (1982) Influence of Dwell Time on the Adherence of Elastomers, J. Adhesion 14, 63–82.
Aimé, J.P., Elkaakour, Z., Odin, C., Bouhacina, T., Michel, T., Curély, J. and Dautant, A. (1994) Comments on the use of the force mode in atomic force microscopy for polymer films, J. Appl. Phys. 76, 754–762.
K. J. Wahl, S. V. Stepnowski and W. N. Unertl (to be published).
Ting, T. C. T. (1966) The Contact Stresses Between a Rigid Indenter and a Viscoelastic Half-Space, J. Appl. Mech. 33, 845–854.
Harris, C.M. (ed) (1996) Shock and Vibration Handbook,4th edition, McGraw-Hill, New York, p. 2.5.
Ting, T.C.T. (1968) Contact Problems in the Linear Theory of Viscoelasticity, J. Appl. Mech. 35, 248–254.
Lee, E.H. and Radok, J.R.M. (1960) The Contact Problem for Viscoelastic Bodies, J. Appl. Mech. 27, 438–444.
Sneddon, J. N. (1965) Int. J. Eng. 3, 47.
Maugis, D. (1995) Extension of the Johnson-Kendall-Roberts Theory of the Elastic Contact of Spheres to Large Contact Radii, Langmuir 11, 679–682.
Johnson, K.L., Kendall, K. and Roberts, A.D. (1971) Surface energy and the contact of elastic solids, Proc. R. Soc. London A 324, 301–313.
Derjaguin, B.V., Muller, V.M. and Toporov, Y.P. (1975) Effect of Contact Deformations on the Adhesion of Particles, J. Colloid Interface Sci. 53, 314–326.
Greenwood, J. A. (1997) Adhesion of Elastic Spheres, Proc. R. Soc. London A 453,1277–1297.
Falsafi, A., Deprez, P., Bates, F. S. and Tirrell, M. (1997) Direct Measurement of adhesion between viscoelastic polymers: A contact mechanical approach, J. Rheology (submitted).
Tanaka, K., Takahara, A., and Kajiyama, T. (1995) Surface molecular motion in thin films of poly(styrene-block-methyl methacrylate) diblock copolymer, Acta Polymer 46, 476–482.
Mayes, A.M. (1994) Glass Transition of Amorphous Polymer Surfaces, Macromolecules 27, 3114–3115.
Barquins, M. and Maugis, D. (1981) Tackiness of Elastomers, J. Adhesion 13,53–65.
Greenwood, J.A. and Johnson, K.L. (1981) The mechanics of adhesion of viscous solids, Phil Mag. A 43, 697–711.
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Wahl, K.J., Unertl, W.N. (1998). Formation of Nanometer-Scale Contacts to Viscoelastic Materials. In: Bhushan, B. (eds) Tribology Issues and Opportunities in MEMS. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5050-7_19
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DOI: https://doi.org/10.1007/978-94-011-5050-7_19
Publisher Name: Springer, Dordrecht
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