Preparation of iron carbide and iron nanoparticles by laser-induced gas phase pyrolysis

被引：16
|
作者：
Alexandrescu, R
Cojocaru, S
Crunteanu, A
Morjan, I
Voicu, I
Diamandescu, L
Vasiliu, F
Huisken, F
Kohn, B
机构：
[1] Natl Inst Lasers Plasma & Radiat Phys, Lasers Dept, Bucharest 76900, Romania
[2] Natl Inst Mat Phys, Bucharest 76900, Romania
[3] Max Planck Inst Stromungsforsch, D-37073 Gottingen, Germany
来源：
JOURNAL DE PHYSIQUE IV | 1999年 / 9卷 / P8期
关键词：
D O I：
10.1051/jp4:1999867
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Iron carbides and iron composites preseal a particular interest due to their magnetic and catalytic properties which could be highly enhanced if particles in the nanometric size range were used. We present results on the synthesis and characterization of iron-carbide nanoparticles by sensitized CO2 laser pyrolysis or gas mixtures containing iron pentacarbonyl (vapors) and ethylene/acetylene precursors. The influence of the nature of hydrocarbon on the structural properties of the nanopowders are revealed by different analytical techniques (IR spectrophotometry, X-ray diffraction, transmission electron microscopy and Mossbauer spectroscopy).
引用
收藏
页码：537 / 544
页数：8
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