Tungsten/Platinum Hybrid Nanowire Growth via Field Emission Using Nanorobotic Manipulation

Author:

Yang Zhan1,Nakajima Masahiro2,Ode Yasuhito1,Fukuda Toshio12

Affiliation:

1. Department of Micro-Nano Systems Engineering, Nagoya University, Nagoya, Aichi 464-8603, Japan

2. Center for Micro-Nano Mechatronics, Nagoya University, Nagoya, Aichi 464-8603, Japan

Abstract

This paper reports tungsten-platinum hybrid nanowire growth via field emission, based on nanorobotic manipulation within a field emission scanning electron microscope (FESEM). A multiwalled carbon nanotube (MWCNT) was used as the emitter, and a tungsten probe was used as the anode at the counterposition, by way of nanomanipulation. By independently employing trimethylcyclopentadienyl platinum (CpPtMe3) and tungsten hexacarbonyl (W(CO)6) as precursors, the platinum nanowire grew on the tip of the MWCNT emitter. Tungsten nanowires then grew on the tip of the platinum nanowire. The hybrid nanowire length wascontrolled by nanomanipulation. Their purity was evaluated using energy-dispersive X-ray spectroscopy (EDS). Thus, it is possible to fabricate various metallic hybrid nanowires by changing the precursor materials. Hybrid nanowires have various applications in nanoelectronics, nanosensor devices, and nanomechanical systems.

Funder

Ministry of Education, Culture, Sports, Science, and Technology

Publisher

Hindawi Limited

Subject

General Materials Science

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