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News of the Kabardin-Balkar scientific center of RAS, 2017 Issue 6-1, Pages 29–35 (Mi izkab171)

MATH MODELING. PHYSICS

Attractional Van der Waals force on a neutral AFM probe near a flat surface with dielectric film

A. A. Kanametov

Institute of Informatics, electronics and computer technologies, Kabardino-Balkarian State University n/a H.M. Berbekov 360004, KBR, Nalchik, Chernyshevsky street, 173

Abstract: An expression for the attractional Van der Waals force, obtained within an additivity approximation, on a neutral nanoprobe near a flat surface with dielectric thin film is obtained. Àfter analyzing numerical calculation data, we can conclude that the dielectric film presence appreciably changes attractional forces on nanoprobe and results in increasing relativity influence of macroscopic part of probe for small distance between probe and surface.

Keywords: attractional Van der Waals force, nanoprobe, dielectric surface, thin films.

UDC: 538.9

Received: 11.12.2017



© Steklov Math. Inst. of RAS, 2026