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Influence of thermal fluctuations on the interactions between nanoscale particles

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Abstract

We present a method to investigate the influences of the thermal fluctuations on the nanometer-sized particle in pickup manipulation by an atomic force microscope (AFM). We show that thermal fluctuations can play an important and even major role in the interaction between particles at room temperature. Moreover, thermal fluctuations always have an opposing effect on the particle interactions. The deterministic directional motion of a particle governed by the interfacial properties of the nanoparticles becomes non-deterministic, with a reduction of the adhesion probability up to 44% under different strength of the thermal fluctuations.

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Acknowledgments

We gratefully acknowledge Drs. Bo Song and Chunlei Wang for their helpful discussions.

Funding

This work was supported by the National Natural Science Foundation of China under Grant No. 61307096, No. 11665007, and No. 61565002; the Guangxi Natural Science Foundation Program No. 2014GXNSFBA118282; and the Guangxi province Higher Educational Science and Technology program No. D20140213.

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Authors and Affiliations

  1. College of Physics Science and Technology, Guangxi Normal University, Guilin, 541004, China

    JunHui Hu, Caiyan Lu & Li Yang

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  1. JunHui Hu
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  2. Caiyan Lu
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  3. Li Yang
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Correspondence to Li Yang.

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Hu, J., Lu, C. & Yang, L. Influence of thermal fluctuations on the interactions between nanoscale particles. J Nanopart Res 20, 163 (2018). https://doi.org/10.1007/s11051-018-4266-7

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  • DOI: https://doi.org/10.1007/s11051-018-4266-7

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