Atomistic processes of surface-diffusion-induced abnormal softening in nanoscale metallic crystals

Xiang Wang; Sixue Zheng; Shuhei Shinzato; Zhengwu Fang; Yang He; Li Zhong; Chongmin Wang; Shigenobu Ogata; Scott X. Mao

doi:10.1038/s41467-021-25542-2

Nature Communications (Sep 2021)

Atomistic processes of surface-diffusion-induced abnormal softening in nanoscale metallic crystals

Xiang Wang,
Sixue Zheng,
Shuhei Shinzato,
Zhengwu Fang,
Yang He,
Li Zhong,
Chongmin Wang,
Shigenobu Ogata,
Scott X. Mao

Affiliations

Xiang Wang: Department of Mechanical Engineering and Materials Science, University of Pittsburgh
Sixue Zheng: Department of Mechanical Engineering and Materials Science, University of Pittsburgh
Shuhei Shinzato: Department of Mechanical Science and Bioengineering, Osaka University
Zhengwu Fang: Department of Mechanical Engineering and Materials Science, University of Pittsburgh
Yang He: Department of Mechanical Engineering and Materials Science, University of Pittsburgh
Li Zhong: Department of Mechanical Engineering and Materials Science, University of Pittsburgh
Chongmin Wang: Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory
Shigenobu Ogata: Department of Mechanical Science and Bioengineering, Osaka University
Scott X. Mao: Department of Mechanical Engineering and Materials Science, University of Pittsburgh

DOI: https://doi.org/10.1038/s41467-021-25542-2
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 9

Abstract

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As the sample size goes down to the nanoscale, the surface-related mechanism plays an important role in the deformation of nanoscale crystals. Here, the authors report breakdown of the traditional Hall-Petch-like relation in nanoscale Ag attributed to diffusion-involved nucleation behaviors.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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