Mass transfer in the Frenkel-Kontorova chain initiated by molecule impact; Physical Review E; Vol. 98, iss. 2
| Parent link: | Physical Review E Vol. 98, iss. 2.— 2018.— [023003, 9 p. ] |
|---|---|
| Autor corporatiu: | |
| Altres autors: | , , , , , , , , |
| Sumari: | Title screen 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. |
| Idioma: | anglès |
| Publicat: |
2018
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| Matèries: | |
| Accés en línia: | http://earchive.tpu.ru/handle/11683/64949 https://doi.org/10.1103/PhysRevE.98.023003 |
| Format: | MixedMaterials Electrònic Capítol de llibre |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=660036 |
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| 200 | 1 | |a Mass transfer in the Frenkel-Kontorova chain initiated by molecule impact |f M. A. Moradi [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 73 tit.] | ||
| 330 | |a 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. | ||
| 461 | |t Physical Review E | ||
| 463 | |t Vol. 98, iss. 2 |v [023003, 9 p. ] |d 2018 | ||
| 610 | 1 | |a электронный ресурс | |
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| 701 | 1 | |a Babicheva |b R. I. |g Rita | |
| 701 | 1 | |a Soboleva |b E. G. |c physicist |c Associate Professor of Yurga technological Institute of Tomsk Polytechnic University, Candidate of physical and mathematical Sciences |f 1976- |g Elvira Gomerovna |3 (RuTPU)RU\TPU\pers\32994 |9 16839 | |
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| 701 | 1 | |a Dmitriev |b S. A. |g Sergey Vladimirovich | |
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