Growth of carbon nanotubes on Fe or Ni-coated Si substrate by feeding with carbon from a graphite ablation plume

• Published in: Applied physics. A, Materials science & processing Vol. 79; no. 4-6; pp. 1331 - 1333
• Main Authors: SUDA, Y, UTAKA, K, BRATESCU, M. A, SAKAI, Y, TSUJINO, J, SUZUKI, K
• Format: Conference Proceeding Journal Article
• Language: English
• Published: Berlin Springer 01-09-2004
• Subjects: Ablation; Carbon; Carbon nanotubes; Cross-disciplinary physics: materials science; rheology; Exact sciences and technology; Feeding; Graphite; Iron; Laser-assisted deposition; Materials science; Methods of nanofabrication; Nickel; Physics; Silicon substrates; Scanning electron microscopy; Inorganic compounds; Catalysts; Emission spectra; Carbon nanotubes; Pulsed laser deposition; Excimer lasers; Coatings; Substrates
• ISSN: 0947-8396; 1432-0630
• DOI: 10.1007/s00339-004-2765-0

By feeding with carbon clusters from the ArF excimer laser ({/content/FRU4P4KMKVQRLEKV/xxlarge955.gif}=193 nm) ablation of graphite target, carbon nanotubes (CNTs) were grown on Fe and Ni films deposited on SiO2/Si substrates, which were set inside a quartz tube with Ar gas pressure of 500 Torr operating at 1100 C. Optical emission spectroscopic observation of the ablation plume of graphite and Ni/Y catalyst was performed in the Ar gas for a pressure range of 0--600 Torr at room temperature and 1000 C. The emission band intensity of C3 (A{/content/FRU4P4KMKVQRLEKV/xxlarge928.gif}u) at the distance of 2 mm from the target increased with increasing Ar gas pressure.