Contact mechanics of nanoparticles.

  title={Contact mechanics of nanoparticles.},
  author={Jan-Michael Y. Carrillo and Andrey V. Dobrynin},
  journal={Langmuir : the ACS journal of surfaces and colloids},
  volume={28 29},
We perform molecular dynamics simulations on the detachment of nanoparticles from a substrate. The critical detachment force, f*, is obtained as a function of the nanoparticle radius, R(p), shear modulus, G, surface energy, γ(p), and work of adhesion, W. The magnitude of the detachment force is shown to increase from πWR(p) to 2.2πWR(p) with increasing nanoparticle shear modulus and nanoparticle size. This variation of the detachment force is a manifestation of neck formation upon nanoparticle… CONTINUE READING


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