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Hexahedral nanocementites catalyzing the growth of carbon nanohelices
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10.1063/1.2842410
/content/aip/journal/apl/92/6/10.1063/1.2842410
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/6/10.1063/1.2842410

Figures

Image of FIG. 1.
FIG. 1.

(a) A low magnification SEM image of CNHs. [(b) and (c)] Enlarged SEM images of the catalyst particles at the tips of CNHs.

Image of FIG. 2.
FIG. 2.

Series of TEM images and corresponding diffraction patterns of catalyst particles recorded along different crystallographic directions. In (a)–(d), the images and diffraction patterns are obtained by tilting a particle around the [110] axis (arrows in diffraction patterns). In (e) and (f), the images and diffraction patterns are recorded by tilting around the [001] axis. Details are described in the main text. A hexahedron model of the particle is shown in (g), and its projections are shown accompanying the image series.

Image of FIG. 3.
FIG. 3.

The schematic growth model of the nanohelices.

Tables

Generic image for table
Table I.

The crystallographic index of the six possible surface planes , , and of the hexahedron; angles , , and , which are measured from the TEM images; and angles , , and , which are obtained from the projections of the hexahedron along the and directions.

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/content/aip/journal/apl/92/6/10.1063/1.2842410
2008-02-15
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Hexahedral nanocementites catalyzing the growth of carbon nanohelices
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/6/10.1063/1.2842410
10.1063/1.2842410
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