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Step-flow growth of a nanowire in the vapor-liquid-solid and vapor-solid-solid processes
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10.1063/1.2977729
/content/aip/journal/jap/104/7/10.1063/1.2977729
http://aip.metastore.ingenta.com/content/aip/journal/jap/104/7/10.1063/1.2977729
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Nanowire with a hemispherical catalytic particle and a step at the NWC interface.

Image of FIG. 2.
FIG. 2.

Flux from the bulk phase at the NWC interface for different step locations. Here .

Image of FIG. 3.
FIG. 3.

Interfacial adatom concentration for different step locations. The parameters are the same as in Fig. 2.

Image of FIG. 4.
FIG. 4.

Bulk concentration at the interface for different step locations. The parameters are the same as in Fig. 2.

Image of FIG. 5.
FIG. 5.

Surface flux from the bulk phase, (a); interfacial concentration (b); and bulk concentration at the interface (c) for different values of the step mobility: (dashed lines), (solid lines), and (dashed-dotted lines). Other parameters: .

Image of FIG. 6.
FIG. 6.

Surface flux from the bulk phase, (a); the interfacial concentration (b); and the bulk concentration at the interface, , for different values of the adsorption coefficient: (dashed lines), (solid lines), and (dashed-dotted lines). Other parameters: .

Image of FIG. 7.
FIG. 7.

Surface flux from the bulk phase, (a); interfacial concentration (b); and bulk concentration at the interface, (c), for different values of the parameter characterizing the diffusion coefficient ratio: (dashed lines), (solid lines), and (dashed-dotted lines). The other parameters are .

Image of FIG. 8.
FIG. 8.

Step velocity as a function of its location for different parameter values. The solid curves correspond to and (2), (1), and (3). The dashed curves correspond to and (4) and (5). The dashed-dotted curves correspond to and (6) and (7).

Image of FIG. 9.
FIG. 9.

Step-flow velocity as a function of the step location for (dashed line; no Gibbs–Thomson effect) and (solid line). The other parameters are .

Image of FIG. 10.
FIG. 10.

Dimensionless nanowire growth rate as a function of the dimensionless nanowire radius for (solid line; no Gibbs–Thomson effect), (dashed line), and (dashed-dotted line). The other parameters are .

Image of FIG. 11.
FIG. 11.

Dimensionless nanowire growth rate as a function of the step mobility (solid line) and the adsorption coefficient (dashed line). The other parameters are .

Image of FIG. 12.
FIG. 12.

Nanowire growing by adsorption of atoms at the surface of the catalyst from the gas phase and diffusion to the NWC interface through the triple line region.

Image of FIG. 13.
FIG. 13.

Functions (solid line) and (dashed line) defined by Eqs. (56) and (59), respectively, characterizing the dependence of the nanowire growth rate on the nanowire radius. Here , , , , , and .

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/content/aip/journal/jap/104/7/10.1063/1.2977729
2008-10-01
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Step-flow growth of a nanowire in the vapor-liquid-solid and vapor-solid-solid processes
http://aip.metastore.ingenta.com/content/aip/journal/jap/104/7/10.1063/1.2977729
10.1063/1.2977729
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