SOME ESTIMATIONS OF THE ATOMIC FRICTION COEFFICIENT BY SCANNING OF THE AFM TIP ALONG A CONSTANT FORCE SURFACE

V. B. Bezerra, E. V. Blagov and G. L. Klimchitskaya ()
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V. B. Bezerra: Departamento de Física, Universidade Federal da Paraíba, Caixa Postal 5008, CEP 58.059-970 João Pessoa, Pb, Brazil
E. V. Blagov: Research and Innovation Enterprise "Modus," Zagorodnoye shosse 8/7, Box 49, Moscow, 113152, Russia
G. L. Klimchitskaya: North-West Polytechnical Institute, Department of Physics, Millionnaya str. 5, 191065, St. Petersburg, Russia

Surface Review and Letters (SRL), 1999, vol. 06, issue 03n04, 341-345

Abstract: The adiabatic potential is constructed for use in the description of atomic friction in scanning of the AFM tip above a close-packed lattice in contact operation mode. Comparison is made with the first term of Fourier expansion of the function of two variables possessing the translational symmetry of the lattice. Phenomenological estimation of the value of the friction coefficient is given.

Date: 1999
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DOI: 10.1142/S0218625X99000330

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