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Title: Mass transfer in the Frenkel-Kontorova chain initiated by molecule impact
Authors: Babicheva, Rita I.
Soboleva, E. G.
Srikanth, N.
Zhou, Kun
Korznikova, E. A.
Dmitriev, S. V.
Moradi Marjaneh, A.
Saadatmand, Danial
Evazzade, I.
Keywords: DRNTU::Engineering::Mechanical engineering
Anharmonic Lattice Dynamics
Crystal Structure
Issue Date: 2018
Source: Moradi Marjaneh, A., Saadatmand, D., Evazzade, I., Babicheva, R. I., Soboleva, E. G., Srikanth, N., . . . Dmitriev, S. V. (2018). Mass transfer in the Frenkel-Kontorova chain initiated by molecule impact. Physical Review E, 98(2), 023003-. doi:10.1103/PhysRevE.98.023003
Series/Report no.: Physical Review E
Abstract: The Frenkel-Kontorova chain with a free end is used to study initiation and propagation of crowdions (antikinks) caused by impact of a molecule consisting of K atoms. It is found that molecules with 1<K<10 are more efficient in the initiation of crowdions as compared to a single atom (K=1) because the total energy needed to initiate the crowdions by molecules is smaller. This happens because a single atom can initiate in the chain only sharp, fast-moving crowdions that require relatively large energy. A molecule has finite length, and that is why it is able to excite a wider crowdion with a smaller velocity and smaller energy. Our results can shed light on the atomistic mechanisms of mass transfer in crystals subject to atom and molecule bombardment.
ISSN: 2470-0045
Rights: © 2018 American Physical Society. This paper was published in Physical Review E and is made available as an electronic reprint (preprint) with permission of American Physical Society. The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MAE Journal Articles

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