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Title: Iron, cobalt and nickel nanoparticles encapsulated in carbon obtained by the arc evaporation of graphite with the metals
Authors: Seshadri, Ram
Sen, Rahul
Subbanna, G N
Kannan, K R
Rao, C N R
Keywords: Nanoparticles
Electron microscopy
Issue Date: 23-Dec-1994
Publisher: Elsevier Science BV
Citation: Chemical Physics Letters 231(2-3), 308-313 (1994)
Abstract: Are evaporation of graphite with Fe, Co and Ni yields two distinct types of metal nanoparticles, wrapped in graphitic layers and highly resistant to oxidation. Electron microscopy shows that the metal particles (10-40 nm) in the stub region are encapsulated in carbon onions, the particles in the soot being considerably smaller (2-15 nm). The metal particles in the soot are either ferromagnetic with lowered Curie temperatures or superparamagnetic.
Description: Restricted Access
Other Identifiers: 0009-2614
Appears in Collections:Research Papers (Prof. C.N.R. Rao)

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