In this work, using the molecular dynamics method, we analyze the behavior of the intermetallic compound under external harmonic driving on the surface. Special attention is paid to the study of high-amplitude excitations, which lead to the rapid destruction of the crystal structure near the surface. The Pt3Al stoichiometric compound is investigated using the interaction potentials obtained by the embedded atom method. The mechanism of layer destruction near the crystal surface is revealed, and the role of nonlinear localized modes in this process is shown. The possibility of the formation of solitary waves in a wide range of ac driving frequency and amplitude is considered. The obtained dependencies allow one to conclude that discrete breathers can contribute considerably to the energy accumulation process in the vicinity of the surface whereas further energy transfer to the bulk part of the crystal can be realized via propagation of solitary waves.
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14 September 2022
PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON THE PHYSICS AND TECHNOLOGY OF ADVANCED MATERIALS (PTAM - 2021)
5–8 October 2021
Ufa, Russia
Research Article|
September 14 2022
Excitation of solitary waves in Pt3Al intermetallic compound under AC driving
Pavel V. Zakharov;
Pavel V. Zakharov
a)
1
Peter the Great St. Petersburg Polytechnic University
, Saint Petersburg, Russia
2
Institute for Metals Superplasticity Problems, RAS
, Ufa, Russia
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Mikhail D. Starostenkov;
Mikhail D. Starostenkov
b)
3
Polzunov Altai State Technical University
, Barnaul, Russia
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Alexander M. Eremin;
Alexander M. Eremin
c)
4
Shukshin Altai State University for Humanities and Pedagogy
, Biysk, Russia
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Sergey V. Dmitriev;
Sergey V. Dmitriev
d)
2
Institute for Metals Superplasticity Problems, RAS
, Ufa, Russia
5
Institute of Molecule and Crystal Physics, Ufa Federal Research Center, RAS
, Ufa, Russia
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Yuliya V. Sharapova;
Yuliya V. Sharapova
e)
6
Ufa State Aviation Technical University
, Ufa, Russia
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Elena A. Korznikova
Elena A. Korznikova
f)
2
Institute for Metals Superplasticity Problems, RAS
, Ufa, Russia
6
Ufa State Aviation Technical University
, Ufa, Russia
f)Corresponding author: [email protected]
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f)Corresponding author: [email protected]
AIP Conf. Proc. 2533, 020033 (2022)
Citation
Pavel V. Zakharov, Mikhail D. Starostenkov, Alexander M. Eremin, Sergey V. Dmitriev, Yuliya V. Sharapova, Elena A. Korznikova; Excitation of solitary waves in Pt3Al intermetallic compound under AC driving. AIP Conf. Proc. 14 September 2022; 2533 (1): 020033. https://doi.org/10.1063/5.0099077
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