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Strain sensing through the resonant properties of deformed metal nanowires
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10.1063/1.2953086
/content/aip/journal/jap/104/1/10.1063/1.2953086
http://aip.metastore.ingenta.com/content/aip/journal/jap/104/1/10.1063/1.2953086

Figures

Image of FIG. 1.
FIG. 1.

Illustration of bulk and nonbulk layers of atoms in a fcc crystal interacting by an EAM potential.

Image of FIG. 2.
FIG. 2.

Schematic of nanowire geometries considered in this work.

Image of FIG. 3.
FIG. 3.

Comparison of (top) SCB and (bottom) molecular statics calculations of the minimum energy configuration of fixed/fixed gold nanowire under the influence of surface stresses.

Image of FIG. 4.
FIG. 4.

SCB and BCB predictions of the resonant frequencies of constant cross-sectional area nanowires as a function of strain as compared to analytic solution in Eq. (14).

Image of FIG. 5.
FIG. 5.

SCB and BCB predictions of the normalized resonant frequencies of constant cross-sectional area gold nanowires as a function of strain.

Image of FIG. 6.
FIG. 6.

SCB and BCB predictions of the strain sensitivity of constant cross-sectional area nanowires.

Image of FIG. 7.
FIG. 7.

SCB and BCB predictions of the normalized resonant frequencies of constant length nanowires as a function of strain.

Image of FIG. 8.
FIG. 8.

SCB and BCB predictions of the strain sensitivity of constant length nanowires.

Image of FIG. 9.
FIG. 9.

SCB and BCB predictions of the normalized resonant frequencies of constant aspect ratio nanowires as a function of strain.

Image of FIG. 10.
FIG. 10.

SCB and BCB predictions of the resonant frequency shift of constant aspect ratio nanowires due to applied strain.

Image of FIG. 11.
FIG. 11.

Ratio of the frequency shift at 1% compressive strain to that at 1% tensile strain vs the nanowire aspect ratio for SCB nanowires.

Image of FIG. 12.
FIG. 12.

Beam theory prediction based on Eq. (14) of the effects of axial nanostrain on the fundamental resonant frequency of a gold nanowire.

Image of FIG. 13.
FIG. 13.

SCB and BCB predictions of the normalized resonant frequencies of constant SAV nanowires as a function of strain.

Tables

Generic image for table
Table I.

Summary of nanowire geometries considered: constant aspect ratio (AR), constant length, and constant cross-sectional area (CSA). All dimensions are in nanometers.

Generic image for table
Table II.

BCB and SCB predictions of the total strain sensitivity (difference in resonant frequency between 1% compressive strain and 1% tensile strain) of constant CSA nanowires. Dimensions in nanometers, total strain sensitivity in megahertz.

Generic image for table
Table III.

BCB and SCB predictions of the total strain sensitivity (difference in resonant frequency between 1% compressive strain and 1% tensile strain) of constant length nanowires. Dimensions in nanometers, total strain sensitivity in megahertz.

Generic image for table
Table IV.

BCB and SCB predictions of the total strain sensitivity (difference in resonant frequency between 1% compressive strain and 1% tensile strain) of constant aspect ratio nanowires. Dimensions in nanometers, total strain sensitivity in megahertz.

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/content/aip/journal/jap/104/1/10.1063/1.2953086
2008-07-09
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Strain sensing through the resonant properties of deformed metal nanowires
http://aip.metastore.ingenta.com/content/aip/journal/jap/104/1/10.1063/1.2953086
10.1063/1.2953086
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