Scanning force microscopy of catalytic nickel particles prepared from carbon nanotubes |
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| Authors: | A A Bukharaev E F Kukovitski D V Ovchinnikov N A Sainov N I Nurgazizov |
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| Institution: | (1) Kazan’ Physicotechnical Institute, Russian Academy of Sciences, 420029 Kazan’, Russia |
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| Abstract: | The method of scanning force microscopy (SFM) is used to study catalytic nickel nanoparticles deposited on a substrate of
quartz glass by decomposition of carbon nanotubes. The SFM images so obtained were computer processed using an original numerical
deconvolution algorithm which allowed us to determine the actual dimensions and shape of the nanoparticles. Nonoverlapping
particles with diameters from 20 to 200 nm were recorded. Analysis of the SFM images revealed that the shape of the nickel
particles is nearly spherical, which is in good agreement with transmission electron microscopy data.
Fiz. Tverd. Tela (St. Petersburg) 39, 2065–2071 (November 1997) |
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