Co–Pt alloy nanoparticles produced using a template of nanoparticle array

Kim, Jung Ho; Kim, Jeon; Kim, Chang K.; Yoon, Chong Seung

doi:10.1016/j.jcis.2006.07.018

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“…The loss of Fe arose from the generation of metal complexes from reaction with the PI film and subsequent decomposition of those metal complexes. A similar loss of material was also observed during annealing of a Co thin film annealed on top of a PI film above 600 • C [18] and during the growth of nanotubes over Fe 2 O 3 film [17].…”

Section: Resultssupporting

confidence: 62%

Synthesis of carbon-encapsulated iron carbide nanoparticles on a polyimide thin film

et al. 2007

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A monolayer of 20 nm sized Fe3C nanoparticles encapsulated by graphite was fabricated by heat treating a polyimide/Fe/polyimide thin-film stack. Transmission electron microscopy and Raman spectroscopy confirmed the graphitization of the polyimide film in the vicinity of the Fe3C particles when annealed above 600 °C. Carbon-encapsulated Fe3C nanoparticles with a narrow size distribution were produced by introducing two-step annealing to initially produce a monolayer of γ-Fe2O3 particles which was converted into carbon-encapsulated Fe3C nanoparticles during the second annealing stage. The thus-produced nanoparticles exhibited a saturation magnetization of 55.4 emu g−1 and coercivity of 360 Oe at room temperature.

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Section: Resultssupporting

confidence: 62%