Energy transfer between eigenmodes in multimodal atomic force microscopy

S An, SD Solares, S Santos, D Ebeling - Nanotechnology, 2014 - iopscience.iop.org
We present experimental and computational investigations of tetramodal and pentamodal
atomic force microscopy (AFM), respectively, whereby the first four or five flexural …

Size dependent transitions in nanoscale dissipation

S Santos, CA Amadei, A Verdaguer… - The Journal of Physical …, 2013 - ACS Publications
The irreversible loss of energy that occurs when a nanoscale tip vibrates over a surface can
be monitored and quantified in amplitude modulation atomic force microscopy (AM AFM) …

[HTML][HTML] Probing viscoelastic surfaces with bimodal tap**-mode atomic force microscopy: Underlying physics and observables for a standard linear solid model

SD Solares - Beilstein journal of nanotechnology, 2014 - beilstein-journals.org
This paper presents computational simulations of single-mode and bimodal atomic force
microscopy (AFM) with particular focus on the viscoelastic interactions occurring during tip …

Heterogeneous dissipation and size dependencies of dissipative processes in nanoscale interactions

KR Gadelrab, S Santos, M Chiesa - Langmuir, 2013 - ACS Publications
Here, processes through which the energy stored in an atomic force microscope cantilever
dissipates in the tip–sample interaction are first decoupled qualitatively. A formalism is then …

Mixed frequency excitation of an electrostatically actuated resonator

A Ramini, AI Ibrahim, MI Younis - Microsystem Technologies, 2016 - Springer
We investigate experimentally and theoretically the dynamics of a capacitive resonator
under mixed frequency excitation of two AC harmonic signals. The resonator is composed of …

Dynamic modeling and sensitivity analysis of dAFM in the transient and steady state motions

AF Payam - Ultramicroscopy, 2016 - Elsevier
In this paper, based on the slow time varying function theory, dynamical equations for the
amplitude and phase of the dynamic atomic force microscope are derived. Then, the …

Single-cycle atomic force microscope force reconstruction: resolving time-dependent interactions

S Santos, K Gadelrab, J Font, M Chiesa - New Journal of Physics, 2013 - iopscience.iop.org
Here, we enhance the capabilities of the atomic force microscope (AFM) to show that force
profiles can be reconstructed without restriction by monitoring the wave profile of the …

Single cycle and transient force measurements in dynamic atomic force microscopy

K Gadelrab, S Santos, J Font, M Chiesa - Nanoscale, 2013 - pubs.rsc.org
The monitoring of the deflection of a micro-cantilever, as the end of a sharp probe mounted
at its end, ie the tip, interacts with a surface, forms the foundation of atomic force microscopy …

[PDF][PDF] Oscillations: Nonlinear theory and applications in AFM

S Santos, TA Olukan, L Elsherbiny, A Verdaguer… - 2022 - munin.uit.no
The theory of oscillations can be studied from a mathematical point of view in terms of
differential equations. The differential equation is written and then the solution or solutions …

Resonance‐Size Parameter Relationship and Dynamics of an AFM Subjected to Multimode Excitation and Based on the Modified Couple Stress Theory

SM Lin, CY Chang - Mathematical Problems in Engineering, 2019 - Wiley Online Library
The mathematical model of AFM probe subjected to multimode excitation based on the
modified couple stress theory is presented. The semianalytical solution of the system is …