Elasticity of axial nanowire heterostructures with sharp and diffuse interfaces

被引：9

作者：

Romanov, A. E. ^{[1
]}

Kolesnikova, A. L. ^{[1
,2
]}

Gutkin, M. Yu ^{[1
,2
,3
]}

Dubrovskii, V. G. ^{[1
]}

机构：

[1] ITMO Univ, 49 Kronverksky Pr, St Petersburg 197101, Russia

[2] Russian Acad Sci, Inst Problems Mech Engn, 61 Bolshoj Pr, St Petersburg 199178, Russia

[3] Peter Great St Petersburg Polytech Univ, Dept Mech & Control Proc, Polytech Skaya 29, St Petersburg 195251, Russia

来源：

SCRIPTA MATERIALIA | 2020年 / 176卷 / 176期

基金：

俄罗斯科学基金会;

关键词：

Nanostructure; Elastic behavior; Analytical methods; Interfaces; Axial nanowire heterostructures; ROD; INCLUSION; STABILITY; DEFECTS; GROWTH; MODELS;

D O I：

10.1016/j.scriptamat.2019.09.036

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We present a theoretical analysis of the elastic properties of lattice-mismatching axial nanowire heterostructures. In contrast to the previous works, we take into account non-ideal diffuse interfaces between the dissimilar materials, which are often observed in nanowire heterostructures. Another important result is the existence of a maximum of the elastic energy in a double nanowire heterostructure as a function of its height. The obtained results are applicable to a wide range of material combinations and can be used for understanding and controlling the crystal quality and physical properties of nanowire-based heterostructures for different applications. (C) 2019 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：42 / 46

页数：5

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