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Carbon Nanocapsules And Single-Wall Nanotubes Formed By Arc Evaporation

Author

Listed:
  • 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)

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.

Suggested Citation

  • Y. Saito & M. Okuda & T. Koyama, 1996. "Carbon Nanocapsules And Single-Wall Nanotubes Formed By Arc Evaporation," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 3(01), pages 863-867.
    • Handle: RePEc:wsi:srlxxx:v:03:y:1996:i:01:n:s0218625x96001558
    DOI: 10.1142/S0218625X96001558
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