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Formation and characterization of silicon/carbon nanotube/silicon heterojunctions by local synthesis and assembly
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10.1063/1.2364151
/content/aip/journal/apl/89/16/10.1063/1.2364151
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/16/10.1063/1.2364151
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Figures

Image of FIG. 1.
FIG. 1.

(a) Schematic diagram of CNT synthesis between silicon microstructures using localized and electric-field-assisted syntheses. The CNTs are synthesized when the growth structure is heated and the local electric field is applied between the silicon microstructures. (b) SEM image of the bridging CNTs with silicon growth structure and silicon secondary structure. (c) Image of the top electrode in the image (b). (d) SEM image of the single CNT with silicon growth structure and silicon secondary structure. (e) Image of the top electrode in the image (d).

Image of FIG. 2.
FIG. 2.

Interconnection of the CNT and silicon secondary structure. (a) Side-view SEM image showing the interfacial contacts of two CNTs without catalyst at the tips by the root-growth mechanism. (b) Side-view SEM image showing the interfacial contact of a CNT with catalyst at the tip by the tip-growth mechanism. (c) Side-view SEM image shows the interfacial contact of another tip-grown CNT where a catalyst can be defined. Inset; top-view SEM image of the same CNT. (d) Schematic diagram of the interfacial contacts of two types of CNTs, root grown and tip grown, respectively.

Image of FIG. 3.
FIG. 3.

Electrical properties of the MWCNTs. (a) curves of the bridging nine CNTs. The curves were measured between the silicon microstructures, and the measurements were carried out three times on the same CNTs shown in Fig. 1(b) (b) curves of the single CNT. The curves were measured between the silicon microstructures, and the measurements were carried out three times on the same CNTs shown in Fig. 1(d). These data were taken at room temperature and at atmospheric pressure in air. (c) Energy band diagrams of a MWCNT/-silicon contact. Left image illustrates a MWCNT and silicon before contact. Right image shows the proposed model of MWCNT/ silicon after contact at thermal equilibrium.

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/content/aip/journal/apl/89/16/10.1063/1.2364151
2006-10-19
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Formation and characterization of silicon/carbon nanotube/silicon heterojunctions by local synthesis and assembly
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/16/10.1063/1.2364151
10.1063/1.2364151
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