This paper focuses on the development of a complete model of an atomic force microscope (AFM) micro-cantilever beam, based on considering the effects of four major factors in modeling the cantilever. They are: rotary inertia and shear deformation of the beam and mass and rotary inertia of the tip. A method based on distributed-parameter modeling approach is proposed to solve the governing equat...

This study selected forty-two implants with full arch implantsupported fixed prostheses (with and without a cantilever) with at least five years' loading. Radiographic measurements were performed using Digimizer software (MedCalc Software, Belgium). Bone loss was measured on the distal side of the implant, from the surface of the platform to the edge of the bone crest, and the extent of the can...

In the present work, thermo-electro vibration of the piezoelectric nanoplates resting on the elastic foundations using nonlocal elasticity theory are considered. In-plane and transverse displacements of the nanoplate have been approximated by six different modified shear deformation plate theories considering transverse shear deformation effects and rotary inertia. Moreover, two new distributio...

one of the bio-sensing mechanisms is mechanical. rather than measuring shift in resonance frequency, we adopt to measure the change in spring constant due to adsorption, as one of the fundamental sensing mechanism. this study explains  determination of spring constant of a surface functionalized micro machined micro cantilever, which resonates in a trapezoidal cavity-on silicon wafer, with the ...

Xylella fastidiosa is a fastidious Gram-negative bacterium that associated with several important plant diseases, and regulated as quarantine pest in many countries where strategies are implemented to prevent its introduction spread. To enact efficient measures, effective early detection of the pathogen essential, especially because global trade goods increases risks alien pathogens. this study...

We present a novel ultrasensitive magnetometry technique using a micromachined magnetic cantilever that is brought in resonance. The induced magnetic moment generates a torque on the cantilever, thereby effectively stiffening the cantilever spring constant and changing its resonance frequency. Experiments are in good correspondence with the presented analytical model for this frequency shift, p...

In this paper an algorithm based on distributed learning automata for finding minimum spanning tree in a stochastic graph when the weight density functions for the edges of the graph is unknown is propped. The proposed algorithm with the aid of distributed learning automata tries to find the minimum spanning tree with minimum number of sampling from the edges of the stochastic graph. Using simu...

In this paper, the most widely used mode of atomic force microscopy imaging where the cantilever is oscillated at its resonant frequency is studied. It is shown that the amplitude and the sine of the phase of the orbit vary linearly with respect to the cantilever-sample distance. Experiments conducted on a silicon cantilever agree with the theory developed.

An ac imaging mode for atomic force microscopy ~AFM! has been developed that employs a thermally driven bimetallic cantilever to sense surface topography. Oscillations are induced in a composite cantilever, comprising a Si3N4 layer and Au overcoat, by local heating with a resistive wire heater placed in close proximity to the cantilever. Cantilever bending occurs upon heating due to the differe...