Microfabrication and mechanical properties of nanoporous gold at the nanoscale

Dongyun LEE; Xiaoding WEI; Xi CHEN; Manhong ZHAO; Seong C. JUN; James HONE; Erik G. HERBERT; Warren C. OLIVER; Jeffrey W. KYSAR

doi:10.1016/j.scriptamat.2006.08.069

Microfabrication and mechanical properties of nanoporous gold at the nanoscale

Dongyun LEE, Xiaoding WEI, Xi CHEN, Manhong ZHAO, Seong C. JUN, James HONE, Erik G. HERBERT, Warren C. OLIVER, Jeffrey W. KYSAR^*

^*Corresponding author for this work

Research output: Journal Publications › Journal Article (refereed) › peer-review

132 Citations (Scopus)

Abstract

The mechanical properties of nanowires consisting of nanoporous gold are studied experimentally. The nanoporous gold is synthesized from dealloyed "white gold" leaf (Au_37.4 and Ag_62.6 in at.%) into a free-standing dog-bone-shaped specimen with a gauge section 7 μm long, 300 nm wide, and 100 nm thick. The elastic modulus, residual stress, and yield stress are measured by deflective tensile testing and nanoindentation, and are about 9 GPa, 65 MPa, and 110 MPa, respectively. © 2006 Acta Materialia Inc.

Original language	English
Pages (from-to)	437-440
Number of pages	4
Journal	Scripta Materialia
Volume	56
Issue number	5
Early online date	8 Dec 2006
DOIs	https://doi.org/10.1016/j.scriptamat.2006.08.069
Publication status	Published - Mar 2007
Externally published	Yes

Bibliographical note

The authors thank Prof. J. Erlebacher and Dr. C.A. Volkert for interesting discussions.

Funding

J.W.K. acknowledges support from NSF CMS-0134226 and AFOSR FA5550-06-1-0214. This work was also supported by the Academic Quality Fund from Columbia University and has used the shared experimental facilities supported primarily by the MRSEC Program of the National Science Foundation under Award Number DMR-0213574 and by the New York State Office of Science, Technology and Academic Research (NYSTAR) as well as the shared experimental facilities of NSEC Program of the National Science Foundation under NSF CHE-0117752. X.C. acknowledges support from NSF CMS-0407743.

Keywords

Nanoindentation
Nanoporous
Nanowire
Plastic deformation

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10.1016/j.scriptamat.2006.08.069

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abstract = "The mechanical properties of nanowires consisting of nanoporous gold are studied experimentally. The nanoporous gold is synthesized from dealloyed {"}white gold{"} leaf (Au37.4 and Ag62.6 in at.%) into a free-standing dog-bone-shaped specimen with a gauge section 7 μm long, 300 nm wide, and 100 nm thick. The elastic modulus, residual stress, and yield stress are measured by deflective tensile testing and nanoindentation, and are about 9 GPa, 65 MPa, and 110 MPa, respectively. {\textcopyright} 2006 Acta Materialia Inc.",

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AU - LEE, Dongyun

AU - WEI, Xiaoding

AU - CHEN, Xi

AU - ZHAO, Manhong

AU - JUN, Seong C.

AU - HONE, James

AU - HERBERT, Erik G.

AU - OLIVER, Warren C.

AU - KYSAR, Jeffrey W.

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AB - The mechanical properties of nanowires consisting of nanoporous gold are studied experimentally. The nanoporous gold is synthesized from dealloyed "white gold" leaf (Au37.4 and Ag62.6 in at.%) into a free-standing dog-bone-shaped specimen with a gauge section 7 μm long, 300 nm wide, and 100 nm thick. The elastic modulus, residual stress, and yield stress are measured by deflective tensile testing and nanoindentation, and are about 9 GPa, 65 MPa, and 110 MPa, respectively. © 2006 Acta Materialia Inc.

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JO - Scripta Materialia

JF - Scripta Materialia

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Microfabrication and mechanical properties of nanoporous gold at the nanoscale

Abstract

Bibliographical note

Funding

Keywords

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