Elasticity of axial nanowire heterostructures with sharp and diffuse interfaces

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 im...

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Bibliographic Details
Published in:Scripta materialia 2020-02, Vol.176, p.42-46
Main Authors: Romanov, A.E., Kolesnikova, A.L., Gutkin, M.Yu, Dubrovskii, V.G.
Format: Article
Language:English
Subjects:
Analytical methods
Axial nanowire heterostructures
Elastic behavior
Interfaces
Nanostructure
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Summary: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. [Display omitted]
ISSN:1359-6462
1872-8456
DOI:10.1016/j.scriptamat.2019.09.036