期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 378, 期 1-2, 页码 112-116出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2003.10.088
关键词
nanoparticles; laser-induced pyrolysis; Mossbauer spectroscopy; magnetic measurements
The paper presents a magnetic and morphological characterization of iron- and iron-carbide-based nanopowder obtained by the laser synthesis from a sensitized gas phase mixture containing acetylene and iron pentacarbonyl vapor. The analysis was performed on the as-prepared material and the annealed material. We report here the results of TEM, XRD, Mossbauer and magnetic measurements. Phase transformations taking place during annealing when core-shell-like nanostructures appear are discussed. (C) 2004 Published by Elsevier B.V.
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