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INFLPR (the National Institute for Laser, Plasma and Radiation Physics from Bucharest) is carrying out
basic and applied research in the fields of lasers and lasers in material science, material processing,
laser nano-technologies, biomedical applications, plasma and laser-surface interaction, thin film pulsed laser
deposition, nonlinear optics, laser metrology, electron beam and space physics.
The Laboratory of Laser photochemistry (leader Dr. Ion Morjan) is participating in the BONSAI project with well
documented expertise on the synthesis of magnetic iron-based nanoparticles using the laser pyrolysis technique.
Two senior researchers (Dr. R. Alexandrescu and Dr. I. Voicu) and four PhD students with experience in the
preparation and characterization of nanoparticle gas-phase synthesis are involved in achieving the BONSAI tasks.
Nanometric size iron oxides and iron-carbon nanocomposites will be produced and characterized by XRD and TEM.
Using different irradiation geometries and sensitizers the mean particle diameter will be varied
(between about 4 nm to about 10 nm).
INFLPR provides gram quantities of selected magnetic nanopowders (nanoparticles and nanocomposites) to BONSAI
partners for dispersion, colloid preparation and complex magnetic measurements.
In the frame of BONSAI, INFLPR collaborates within WP2 for scaling up the process of the laser synthesis of magnetic
nanoparticles.
Some selected
publications:
I.Morjan R. Alexandrescu, I. Soare, F. Dumitrache, I. Sandu,
I. Voicu, A. Crunteanu, E. Vasile, V. Ciupina, S. Martelli
Nanoscale powders of different iron oxide phases prepared by continuous irradiation of
iron pentacarbonyl-containing gas precursors
Mater. Sci. Eng. C 1020 (2002) 1-6
F. Dumitrache , I. Morjan , R. Alexandrescu , V. Ciupina , G. Prodan , I. Voicu, C. Fleaca, L. Albu,
M. Savoiu, I. Sandu, E. Popovici, I. Soare
Iron-Iron oxide core-shell nanoparticles synthesized by laser pyrolysis followed by superficial oxidation
Appl. Surf. Sci. 247 (2005) 25-31
R. Alexandrescu, I. Morjan, F. Dumitrache, R. Birjega, C. Jaeger, H. Mutschke, I.Soare, L. Gavrila-Florescu, V.Ciupina
Structural characteristics of Fe3C-based nanomaterials prepared by laser pyrolysis from different gas phase precursors
Mater. Sci. Eng. C
27 (2007) 1181-1184
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