Issue 38, 2021

Epitaxial nanotwinned metals and alloys: synthesis-twin structure–property relations

Abstract

Extensive studies have been performed to understand the structure–property relationship in nanotwinned (NT) metals, where the average twin thickness or twin spacing is less than 100 nm. NT metals may have high strength, ductility, good electrical conductivity and corrosion resistance and have promising applications in microelectronics, structural materials and coatings for gas and oil industry. Most prior studies focus on the computational and experimental investigations of NT metals with low stacking fault energy (SFE) and often in polycrystalline forms. Here we review recent findings on epitaxial growth of NT metals and alloys with low and high SFEs deposited on single crystal substrates, and focus primarily on advancing our comprehension towards tailoring the microstructures and properties of NT metals via extrinsic factors, including the synthesis technique, parametric control and growth template, and intrinsic factors, such as SFE and thermodynamic, kinetic alloying effects. The review intends to illuminate how to synthesize and design epitaxial NT structures to achieve desirable properties.

Graphical abstract: Epitaxial nanotwinned metals and alloys: synthesis-twin structure–property relations

Article information

Article type
Highlight
Submitted
13 Jan 2021
Accepted
17 Pha 2021
First published
17 Pha 2021

CrystEngComm, 2021,23, 6637-6649

Author version available

Epitaxial nanotwinned metals and alloys: synthesis-twin structure–property relations

Q. Li, S. Xue, C. Fan, N. A. Richter, Y. Zhang, Y. Chen, H. Wang and X. Zhang, CrystEngComm, 2021, 23, 6637 DOI: 10.1039/D1CE00787D

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