Dynamics of supersonic N-crowdions in bcc tungsten | Zendy

Ramil T. Murzaev | Zendy; Elena A. Korznikova | Zendy; Sergey V. Dmitriev | Zendy

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Dynamics of supersonic N-crowdions in bcc tungsten

Author(s) -

Ramil T. Murzaev,

Elena A. Korznikova,

Sergey V. Dmitriev

Publication year - 2020

Publication title -

iop conference series materials science and engineering

Language(s) - English

Resource type - Journals

eISSN - 1757-899X

pISSN - 1757-8981

DOI - 10.1088/1757-899x/1008/1/012067

Subject(s) - supersonic speed , tungsten , atom (system on chip) , excitation , atomic physics , molecular dynamics , dynamics (music) , crystal (programming language) , materials science , physics , molecular physics , chemistry , mechanics , computational chemistry , engineering , computer science , acoustics , quantum mechanics , metallurgy , programming language , embedded system

An interstitial atom placed in a close-packed atomic row of a crystal is called a crowdion. Such defects are highly mobile; they can move along the close-packed row at subsonic and even supersonic speeds, transferring mass and energy. In this paper, we consider the initial conditions for excitation of N-crowdions, in which N-atoms move simultaneously with high speed. The most efficient methods for initiating supersonic N-crowdions with N = 2 and 4 are demonstrated using molecular dynamics modelling for bcc tungsten.

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