Molecular Dynamics Simulation Study of Normal Vibrations of Metal Nanospheres

被引：0

作者：

Igoshkin, Anton M. ^{[1
]}

Golovnev, Igor F. ^{[1
]}

Fomin, Vasily M. ^{[1
]}

机构：

[1] Khristianovich Inst Theoret & Appl Mech SB RAS, Novosibirsk 630090, Russia

来源：

INTERNATIONAL CONFERENCE ON PHYSICAL MESOMECHANICS OF MULTILEVEL SYSTEMS 2014 | 2014年 / 1623卷

关键词：

molecular dynamics simulation; nanospheres; normal vibrations;

D O I：

10.1063/1.4898920

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The purpose of this work is the research on vibrational characteristics of copper nanospheres whose radiuses are varied in the range from 10 to 40 angstrom. These nanostructures are spherical fragments of an ideal crystal fcc structure. Spherically symmetric oscillation modes are excited in them by means of an isotropic deformation with different amplitudes. Thereafter, a detailed analysis of the further evolution of nanospheres pulsations is produced. It is shown that the oscillation range is discrete. It is found that in contrast to the classical view in which normal fluctuations are considered as a set of independent oscillators, the frequencies in this case depend on the amplitudes of respective modes values.

引用

页码：213 / 216

页数：4

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