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Formation of a New Electric Material: Fullerene / Metal Polycrystalline Film

Published online by Cambridge University Press:  10 February 2011

BingShe Xu  and
Shun-Ichiro Tanaka
BingShe Xu
Affiliation:
Tanaka solid junction project, ERATO, Japan Science and Technology Corporation, 1–1–1, Fukuura, Kanazawa-ku, Yokohama 236, JAPAN
Shun-Ichiro Tanaka
Affiliation:
Tanaka solid junction project, ERATO, Japan Science and Technology Corporation, 1–1–1, Fukuura, Kanazawa-ku, Yokohama 236, JAPAN
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Abstract

An investigation of the formation behavior and mechanism of onion like fullerene / metal polycrystalline film under electron beam irradiation is presented. Metallic nanoparticles of Al, Au and Pt having diameters of 1∼35 nm, were supported on an amorphous carbon film with thickness of about 20 nm. The amorphous carbon film transformed into onion-like fullerene film under electron beam irradiation, with intensity about 1020e/cm2·sec using high resolution transmission electron microscopy. The transformation mechanism and growth morphology have been investigated. It is found that the nucleation and growth process of onion-like fullerenes from amorphous carbon were divided into several steps: Firstly, a few elliptic shells of carbon were induced under Al, Au or Pt nanoparticles; secondly, a gradual reorganization took place into the structures composed of quasi-concentric spheroid or sphered graphite, i.e., onion like fullerenes, and finally, fullerenes were bonded to each other into a film.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 472: Symposium I – Polycrystalline Thin Films - Structure, Texture, Properties..III , 1997 , 179
Copyright
Copyright © Materials Research Society 1997

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References

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