Using the Multiasperity Models to Investigate the Effect of Cylindrical Micro/Nanoparticle Roughness on the Critical Manipulation Forces

Korayem, M. H.; Mirmohammad, S. A.; Saraee, M. B.

doi:10.1109/tnano.2016.2601617

Cited by 8 publications

(10 citation statements)

References 22 publications

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“…To validate the simulation results achieved in this paper for rough particles with circular crowned roller geometry, these results have been compared with the changes of critical rolling and sliding times with the increase in asperity radius obtained by Korayem et al [17]. The results of this comparison are illustrated in Figs.…”

Section: Simulating the Manipulation Of Smooth And Rough Biological/nmentioning

confidence: 71%

“…However, for the non-contact term in Case 1, the van der Waals force between two spheres (probe tip and the particle's spherical section) should be calculated, while in Case 2, the van der Waals force between a sphere and a cylinder (probe tip and the particle's cylindrical section) has to be determined. But since no exact theory exists for the van der Waals force between a sphere and a cylinder [17], the same van der Waals force between two spheres in the contact term is used here. Consequently, by approximation, the non-contact terms in both cases get to be similar.…”

Section: Developing the Cooper Model For A Rough Particle With Circulmentioning

confidence: 99%

“…Figure 2a shows a 3D schematic of a rough nanoparticle with a circular crowned roller geometry. Using a notion similar to that in [17], Eq. 28 has been employed to get the number of asperities on the rough nanoparticle that come into contact with the AFM probe tip.…”

Section: Developing the Cooper Model For A Rough Particle With Circulmentioning

confidence: 99%

“…Korayem et al explored the 3D manipulation of cylindrical biological nanoparticles on a substrate. They once considered the roughness for the substrate only [16] and in another work assumed just the particle to be rough [17]. They investigated the effects of the geometrical parameters of these particles as well as various roughness parameters on the forces necessary to get the particles moving.…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Investigating the motion modes of smooth/rough micro/nanoparticles with circular crowned roller geometry and computing the maximum force

Korayem

Mahmoodi

Mirmohammad

2019

J Braz. Soc. Mech. Sci. Eng.

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The exact positioning of micro/nanoparticles is essential in the construction of micro/nanoscale structures. Of course, the shape of a particle and the external force application location on it influence the type of behavior exhibited by that particle during its displacement on a surface. In former works, biological and non-biological particles have been modeled as cylindrical or spherical particles, while the shape of many such particles is a combination of these two geometries. In this paper, the driving and displacement of particles with circular crowned roller geometry on a substrate by means of an AFM cantilever tip have been modeled three-dimensionally. For a more realistic modeling of actual particle conditions, the Cooper model has been developed for this geometry and the effects of surface roughness have been incorporated into the model. By using the presented model, the forces applied on particle during the manipulation process, the deformations induced in the AFM cantilever, the rotation center and the maximum force applied on particle can be computed and the motion modes of particle (sliding, rolling, rotating) at the onset of displacement can be predicted. The findings indicate that the critical forces associated with rough particles are smaller than those for smooth particles. Furthermore, the effects of particle dimensions and roughness parameters such as the radius and height of asperities and also the effect of AFM tip location on a particle on its motion modes have been studied and the suitable conditions for creating different motion modes have been discussed.

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Section: Simulating the Manipulation Of Smooth And Rough Biological/nmentioning

confidence: 71%

Section: Developing the Cooper Model For A Rough Particle With Circulmentioning

confidence: 99%

Section: Developing the Cooper Model For A Rough Particle With Circulmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Investigating the motion modes of smooth/rough micro/nanoparticles with circular crowned roller geometry and computing the maximum force

Korayem

Mahmoodi

Mirmohammad

2019

J Braz. Soc. Mech. Sci. Eng.

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show abstract

“…researchers have carried out nano-object modeling, simulation and operation reseach [15,16]. Different nanomanipulation strategies are proposed to achieve stable manipulation and improve the operational efficiency, such as sequential parallel pushing [17], automated manipulation [18], nano-hand strategy [19].…”

Section: Introductionmentioning

confidence: 99%

AFM Nanomanipulation with Tip Morphology Estimation and Positioning Compensation

Hou

Wang

et al. 2019

2019 IEEE 14th International Conference on Nano/Micro Engineered and Molecular Systems (NEMS)

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During the AFM nanomanipulation, the uncertainty of AFM tip morphology and its location seriously affect the reliability of the nanomanipulation results. In response to this problem, we first estimate the tip morphology and reconstruct the scanned image. Based on this, the position and orientation of the interaction between AFM tip morphology and nanoparticle morphology are calculated. The simulation results show that the effect of the tip on the nanoparticle depends on the angle between the direction of the tip's pushing direction and its actual force. The smaller the angle is, the more effective the distance is. Due to the can't be guaranteed, resulting in unstable results. Therefore, this study refers to the macro robot positioning strategy, using local scanning method to improve the positioning accuracy of the tip relative to the nanoparticles. According to the table of the tip pushing position and the deviation angle , the tip pushing position is compensated, which ensures that the deviation angle is minimum. Finally, the experimental results of constructing nanostructures verify the effectiveness of the proposed method. This is of great importance to the application of AFM nanomanipulation in Mems / Nems device assembly.

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A survey on dynamic modeling of manipulation of nanoparticles based on atomic force microscope and investigation of involved factors

Korayem

Khaksar

2020

J Nanopart Res

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Using the Multiasperity Models to Investigate the Effect of Cylindrical Micro/Nanoparticle Roughness on the Critical Manipulation Forces

Cited by 8 publications

References 22 publications

Investigating the motion modes of smooth/rough micro/nanoparticles with circular crowned roller geometry and computing the maximum force

Investigating the motion modes of smooth/rough micro/nanoparticles with circular crowned roller geometry and computing the maximum force

AFM Nanomanipulation with Tip Morphology Estimation and Positioning Compensation

A survey on dynamic modeling of manipulation of nanoparticles based on atomic force microscope and investigation of involved factors

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