The Influence of Excitation Frequency on Dynamical Behaviors of Atomic Force Microscope

Abstract:

This paper deals with dynamical behaviors of Atomic Force Microscope in the different excitation frequency. By using Poincare maps, phase trajectory, Lyapunov exponent, bifurcation diagram, the dynamical behaviors are identified based on the numerical solutions of the governing equations. Bifurcation diagrams are presented in the case that the excitation amplitude increases while other parameters are fixed. Numerical simulations indicate that periodic and chaotic motions occur in the system. At the same, when chaotic motions occur, the excitation amplitude decrease as the excitation frequency increases.

• Periodical: Advanced Materials Research (Volumes 518-523)
• Pages: 3891-3895
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.518-523.3891
• Online since: May 2012
• Authors: Ran Hui Liu, Qing Quan Hu
• Keywords: Atomic Force, Bifurcation, Chaotic Motions, Frequency, Vibration

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