CARBON NANOCAPSULES AND SINGLE-WALL NANOTUBES FORMED BY ARC EVAPORATION

Y. Saito, M. Okuda and T. Koyama
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Y. Saito: Department of Electrical and Electronic Engineering, Mie University, Tsu 514, Japan
M. Okuda: Department of Electrical and Electronic Engineering, Mie University, Tsu 514, Japan
T. Koyama: Department of Electrical and Electronic Engineering, Mie University, Tsu 514, Japan

Surface Review and Letters (SRL), 1996, vol. 03, issue 01, 863-867

Abstract: Iron nanocrystals wrapped in graphitic carbon were produced by arc evaporation of iron-carbon composites, and an excellent protective nature of the outer graphitic carbon against oxidation of the core crystallites was revealed by an environmental test (80°C, 85% R.H., 7 days). Single-wall (SW) tubes were also produced by the arc method with various catalysts, Fe, Co, Ni, F/Ni, La, and Ce. Growth patterns and morphology of SW tubes were classified into three groups: (i) tubes tangled with each other to form “highway junction” pattern for Co and Fe/Ni, (ii) long and thin tubes radially growing from Ni particles, and (iii) short and thick tubes growing from lanthanide compound particles.

Date: 1996
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DOI: 10.1142/S0218625X96001558

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