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Iron/graphite core-shell structured nanoparticles prepared by annealing of Fe-C-N composite

机译:铁/石墨核 - 壳壳结构纳米粒子通过退火Fe-C-N复合材料制备

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We are reporting the core-shell structured iron/graphite nanoparticles formed during annealing of the nanopowder prepared by laser pyrolysis of gas phase reactants. The originally synthesized Fe-C-N based nanocomposite powder has been characterized by TEM, XRD and magnetic measurements. Nanopowder was heated up to 800°C at ~ 1 Pa vacuum. Presence of iron nanoparticles with the mean diameter of 40 nm in the annealed state of nanopowder was proved by XRD and TEM. Moessbauer spectroscopy was used for characterization of the synthesized/annealed nanopowder.
机译:我们报道了通过激光热解反应的气相反应物的激光分解制备的纳米粉末的退火期间形成的核壳结构的铁/石墨纳米颗粒。最初合成的Fe-C-N基纳米复合材料粉末特征在于TEM,XRD和磁测量。纳米粉末在〜1Pa真空下加热至800℃。通过XRD和TEM证明了在纳米滤芯的退火状态下具有平均直径为40nm的铁纳米颗粒的存在。 MoessBauer光谱用于合成/退火纳米粉末的表征。

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