Nanoindentation of Cu2O nanocubes

Xiaodong Li; Hongsheng Gao; Catherine Jones Murphy; Linfeng Gou

doi:10.1021/nl048941n

Nanoindentation of Cu₂O nanocubes

Xiaodong Li, Hongsheng Gao, Catherine Jones Murphy, Linfeng Gou

Research output: Contribution to journal › Article › peer-review

Abstract

Nanoindentation tests were performed directly on solid and hollow cuprous oxide (Cu₂O) nanocubes. The hardness and elastic modulus of solid Cu₂O nanocubes were measured and compared with the values of bulk Cu₂O. It is found that the hollow cube top wall acts as a membrane that bends under an indentation load. The Cu₂O nanocubes are more ductile rather than brittle. Deformation behavior and fracture mechanics are discussed in conjunction with the structure of the Cu₂O nanocube.

Original language	English (US)
Pages (from-to)	1903-1907
Number of pages	5
Journal	Nano Letters
Volume	4
Issue number	10
DOIs	https://doi.org/10.1021/nl048941n
State	Published - Oct 2004
Externally published	Yes

ASJC Scopus subject areas

Bioengineering
Chemistry(all)
Materials Science(all)
Condensed Matter Physics
Mechanical Engineering

Online availability

10.1021/nl048941n

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Cite this

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AB - Nanoindentation tests were performed directly on solid and hollow cuprous oxide (Cu2O) nanocubes. The hardness and elastic modulus of solid Cu2O nanocubes were measured and compared with the values of bulk Cu2O. It is found that the hollow cube top wall acts as a membrane that bends under an indentation load. The Cu2O nanocubes are more ductile rather than brittle. Deformation behavior and fracture mechanics are discussed in conjunction with the structure of the Cu2O nanocube.

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