Modelling of Spin-Dependent Mechanical Friction at Atomic Level |
| M. Gzik-Szumiataa, T. Szumiataa and D. Morozowb
aDepartment of Physics, University of Technology and Humanities in Radom, Krasickiego 54, 26-600 Radom, Poland bInstitute of Machinery Engineering, University of Technology and Humanities in Radom, Krasickiego 54, 26-600 Radom, Poland |
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| In this work a simple 2D model of pseudostatic friction at atomic level has been prepared, in the frame of which both Lennard-Jones potential and spin-dependent term of exchange interaction has been included. As an example, it has been demonstrated, that for iron both average lateral and normal forces between atoms of "base" and "slider" in the tribological node are altered through the change of relative direction of spins, by over a dozen of percent, when the interatomic distance is comparable to the lattice constant. Spin-dependent correction of atomic-level friction coefficient has been estimated. |
DOI: 10.12693/APhysPolA.133.713 PACS numbers: 62.20.Qp, 46.55.+d, 75.30.Et, 71.70.Gm, 75.50.Bb, 75.45.+j |