Dr. Rodica Alexandrescu Profile

Dr. Rodica Alexandrescu

at INFLPR

SPIE Involvement:

Author

Publications (23)

Proceedings Article | 28 August 2010 Paper

Paper

Synthesis and characterization of some carbon based nanostructures

Victor Ciupina, Ion Morjan, Rodica Alexandrescu, Florian Dumitrache, Gabriel Prodan, Cristian Lungu, Rodica Vladoiu, Ion Mustata, Vasile Zarovschi, John Sullivan, Sayah Saied, Eugeniu Vasile, Iuliana Oancea-Stanescu, Madalina Prodan, Dorina Manole, Aurelia Mandes, Virginia Dinca, Mirela Contulov

Proceedings Volume 7764, 77640O (2010) https://doi.org/10.1117/12.859456

KEYWORDS: Carbon, Transmission electron microscopy, Iron, Thin films, Particles, Nanoparticles, Nanostructures, Diamond, X-rays, Spectroscopy

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Proceedings Article | 18 September 2007 Paper

Paper

Electron microscopy characterization of iron oxide nanopowders (prepared by laser pyrolysis) for magnetic fluid applications

V. Ciupina, G. Prodan, I. Morjan, F. Dumitrache, R. Alexandrescu, E. Vasile, L. Vegas, D. Bica

Proceedings Volume 6645, 66451P (2007) https://doi.org/10.1117/12.730675

KEYWORDS: Particles, Magnetism, Nanoparticles, Iron, Crystals, Oxides, Microfluidics, Nanocrystals, Laser applications, Liquids

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Proceedings Article | 25 April 2007 Paper

Paper

Carbon nanostructures by gas-phase laser pyrolysis

R. Alexandrescu, F. Dumitrache, L. Gavrila Florescu, I. Morjan, E. Popovici, M. Scarisoreanu, I. Sandu, I. Soare, I. Voicu

Proceedings Volume 6606, 66060J (2007) https://doi.org/10.1117/12.729584

KEYWORDS: Carbon, Particles, Nanostructures, Chemical species, Fluorine, Gas lasers, Fullerenes, Nanoparticles, Sulfur, Nanocomposites

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Proceedings Article | 25 April 2007 Paper

Paper

Structural and magnetic properties of nanosized iron-polyoxocarbosilane core-shell composites prepared by laser pyrolysis

R. Alexandrescu, I. Morjan, F. Dumitrache, J. Pola, V. Vorlicek, M. Marysko, L. Gavrila, M. Scarisoreanu, I. Voicu, I. Sandu, C. Fleaca, E. Popovici, G. Prodan

Proceedings Volume 6606, 66060K (2007) https://doi.org/10.1117/12.729585

KEYWORDS: Iron, Particles, Magnetism, Nanoparticles, Polymers, Atmospheric particles, Nanocomposites, Raman spectroscopy, Oxides, Electron microscopy

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Proceedings Article | 24 August 2005 Paper

Paper

Iron/iron carbides/carbon core-shell nanostructures synthesized by laser pyrolysis

V. Ciupina, G. Prodan, F. Dumitrache, I. Morjan, R. Alexandrescu, E. Popovici, I. Soare, L. Albu, R. Birjega, B. David, O. Schneeweiss

Proceedings Volume 5924, 592418 (2005) https://doi.org/10.1117/12.620633

KEYWORDS: Iron, Carbon, Nanoparticles, Particles, Diffraction, Raman spectroscopy, Magnetism, Transmission electron microscopy, Nanocomposites, Crystals

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Proceedings Article | 21 October 2004 Paper

Paper

Soot morphology in laser pyrolysis

Ion Sandu, I. Pasuk, Ion Morjan, Ion Voicu, Rodica Alexandrescu, Claudiu Fleaca, Victor Ciupina, Florian Dumitrache, Iuliana Soare, Mihaela Ploscaru, H. Daniels, A. Westwood, B. Rand

Proceedings Volume 5581, (2004) https://doi.org/10.1117/12.582819

KEYWORDS: Particles, Carbon, Transmission electron microscopy, Fullerenes, Raman spectroscopy, Lanthanum, Oxygen, Spectroscopy, Nanoparticles, Laser processing

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Proceedings Article | 21 October 2004 Paper

Paper

Physical properties of HCl-doped polyaniline

David Hui, Rodica Alexandrescu, Ion Morjan, Gheorghe Aldica, M. Chiapara, S. Popa

Proceedings Volume 5581, (2004) https://doi.org/10.1117/12.582782

KEYWORDS: Doping, Polymers, Human-computer interaction, Temperature metrology, Resistance, Bipolarons, Polarons, Composites, Spectroscopy, Chlorine

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Proceedings Article | 21 October 2004 Paper

Paper

Relation fullerene-PAH-soot in laser pyrolysis: FTIR investigations

Rodica Alexandrescu, Xavier Armand, Florian Dumitrache, Claudiu Fleaca, Nathalie Herlin-Boime, Emanuela Marino, Martine Mayne, Ion Morjan, Cecile Reynaud, Ion Sandu, Iuliana Soare, Francois Tenegal, Ion Voicu

Proceedings Volume 5581, (2004) https://doi.org/10.1117/12.582896

KEYWORDS: Fullerenes, Carbon, FT-IR spectroscopy, Molecules, Carbon dioxide lasers, Absorption, Particles, Energy transfer, Gases, Chemical species

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Proceedings Article | 21 October 2004 Paper

Paper

Mixed phases of TiO2 nanopowders prepared by laser pyrolysis

Florian Dumitrache, Rodica Alexandrescu, Ion Morjan, Ion Sandu, Iuliana Soare, Ion Voicu, Claudiu Fleaca, Mihaela Ploscaru, M. Savoiu, Eugen Vasile, Victor Ciupina

Proceedings Volume 5581, (2004) https://doi.org/10.1117/12.582893

KEYWORDS: Raman spectroscopy, Crystals, Transmission electron microscopy, Particles, Titanium, Gas lasers, Carbon dioxide lasers, Diffraction, Argon, Titanium dioxide

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Proceedings Article | 8 October 2004 Paper

Paper

Carbon-encapsulated iron nanoparticles prepared by laser pyrolysis: characterization and catalyzers for carbon nanotubes and nanofibers

Florian Dumitrache, Victor Ciupina, Ion Morjan, Rodica Alexandrescu, Ion Voicu, Iuliana Soare, Lavinia Albu, Raluca Morjan, Gabi Prodan

Proceedings Volume 5515, (2004) https://doi.org/10.1117/12.561332

KEYWORDS: Iron, Carbon, Particles, Nanoparticles, Gas lasers, Transmission electron microscopy, Nanocomposites, Carbon monoxide, Raman spectroscopy, Carbon nanotubes

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Proceedings Article | 17 October 2003 Paper

Paper

Iron-carbon nanocomposite obtained by laser-induced gas-phase reactions

Florian Dumitrache, Ion Morjan, Rodica Alexandrescu, B. Rand, Victor Ciupina, G. Prodan, Ion Voicu, Ioan Sandu, I. Soare, M. Ploscaru, C. Fleaca, R. Brydson, Eugen Vasile

Proceedings Volume 4977, (2003) https://doi.org/10.1117/12.501664

KEYWORDS: Iron, Carbon, Particles, Nanoparticles, Nanocomposites, Gas lasers, Transmission electron microscopy, Carbon monoxide, Composites, Raman spectroscopy

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Proceedings Article | 29 June 2001 Paper

Paper

Fullerene/iron complexes obtained by laser synthesis from gas/aerosol phases

Rodica Alexandrescu, Aurelian Crunteanu, Ion Morjan, Stela Petcu, Ion Voicu, Lucian Diamandescu, Xavier Armand, Nathalie Herlin-Boime, Martine Mayne, Cecile Reynaud

Proceedings Volume 4430, (2001) https://doi.org/10.1117/12.432841

KEYWORDS: Iron, Metals, Fullerenes, Aerosols, Ions, Molecules, Liquids, Spectroscopy, Gases, Chemical species

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Proceedings Article | 29 June 2001 Paper

Paper

Synthesis and characterization of iron clusters coated with hydrocarbons

Friedrich Huisken, Bernhard Kohn, Rodica Alexandrescu, Ion Morjan

Proceedings Volume 4430, (2001) https://doi.org/10.1117/12.432837

KEYWORDS: Iron, Chemical species, Carbon dioxide lasers, Molecules, Spectroscopy, Nanoparticles, Radon, Hydrogen, FT-IR spectroscopy, Particles

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Proceedings Article | 2 July 1998 Paper

Paper

Preparation of metal oxides by laser versus thermal processes

Rodica Alexandrescu, Ion Morjan, C. Popescu, Ion Voicu

Proceedings Volume 3405, (1998) https://doi.org/10.1117/12.312748

KEYWORDS: Oxides, Crystals, Laser crystals, Metals, Copper, Nickel, Laser processing, Iron, Carbonates, Carbon dioxide lasers

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Proceedings Article | 2 July 1998 Paper

Paper

Deposition of carbon nitride thin films by IR-laser-induced reactions in carbon-nitrogen gas-phase compounds

Aurelian Crunteanu, Rodica Alexandrescu, Raluca Cireasa, S. Cojocaru, Ion Morjan, A. Andrei, Ashock Kumar

Proceedings Volume 3405, (1998) https://doi.org/10.1117/12.312751

KEYWORDS: Titanium, Carbon, Nitrogen, Thin films, Carbon dioxide lasers, Nickel, Chemical analysis, Laser energy, Chemical vapor deposition, Continuous wave operation

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Proceedings Article | 2 July 1998 Paper

Paper

Growth of polycrystalline hydroxyapatite thin films by pulsed laser deposition and subsequent heat treatment in air

V. Nelea, Cornel Ghica, C. Martin, Alexandru Hening, Ion Mihailescu, Leona Nistor, Valentin Teodorescu, Rodica Alexandrescu, J. Werckmann, Eniko Gyorgy, Gheorghe Marin

Proceedings Volume 3405, (1998) https://doi.org/10.1117/12.312755

KEYWORDS: Thin films, Pulsed laser deposition, Plasma, Transmission electron microscopy, Bone, Diffraction, Crystals, Photomicroscopy, Absorption, Biocompatible materials

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Proceedings Article | 2 July 1998 Paper

Paper

Synthesis, characterization, and mechanical properties of carbides and nitrides films prepared by pulsed-laser-deposition method

Ashock Kumar, H. Chan, Rodica Alexandrescu

Proceedings Volume 3405, (1998) https://doi.org/10.1117/12.312742

KEYWORDS: Silicon, Toxic industrial chemicals, Crystals, Pulsed laser deposition, X-ray diffraction, Thin films, Titanium, Aluminum nitride, FT-IR spectroscopy, Nitrogen

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Proceedings Article | 4 April 1997 Paper

Paper

Parametric study of C-N films deposited by reactive laser ablation

Armando Luches, A. Caricato, Emilia D'Anna, Gilberto Leggieri, Maurizio Martino, Alessio Perrone, G. Barucca, Guiseppe Majni, Paolo Mengucci, Rodica Alexandrescu, Ion Mihailescu, Joseph Zemek

Proceedings Volume 3093, (1997) https://doi.org/10.1117/12.271673

KEYWORDS: Nitrogen, Carbon, Laser ablation, Spectroscopy, Absorption, Silicon, Chemical species, Thin films, Atmospheric modeling, FT-IR spectroscopy

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SPIE Journal Paper | 1 May 1996

Infrared and ultraviolet laser-assisted deposition from iron pentacarbonyl

Rodica Alexandrescu, Raluca Cireasa, Dan Dumitras, Ion Morjan, Ion Voicu

OE, Vol. 35, Issue 05, (May 1996) https://doi.org/10.1117/12.10.1117/1.601021

KEYWORDS: Iron, Carbon monoxide, Gas lasers, Ultraviolet radiation, Infrared lasers, Metals, Infrared radiation, Quartz, Laser energy, Absorption

Proceedings Article | 11 March 1996 Paper

Paper

Reactive laser ablation deposition of C-N films

Gilberto Leggieri, Armando Luches, Alessio Perrone, S. Acquaviva, Rodica Alexandrescu, Ion Mihailescu, Joseph Zemek, Paolo Mengucci

Proceedings Volume 2777, (1996) https://doi.org/10.1117/12.232208

KEYWORDS: Carbon, Laser ablation, Chemical species, Nitrogen, Silicon, Atmospheric modeling, Crystals, Plasma, Thin films, Infrared spectroscopy

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Proceedings Article | 8 March 1995 Paper

Paper

Production of ceramic powders from laser-driven reactions

E. Borsella, S. Botti, M. Cesile, Stefano Martelli, A. Nesterenko, Rossella Giorgi, S. Turtu, Rodica Alexandrescu, Ion Morjan

Proceedings Volume 2461, (1995) https://doi.org/10.1117/12.203525

KEYWORDS: Silicon carbide, Silicon, Carbon, X-ray diffraction, Nitrogen, Argon, Ceramics, Chemical analysis, Gases, Particles

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Proceedings Article | 8 March 1995 Paper

Paper

Deposition of metallic thin layers by photolytic versus thermal-laser-induced processes

Rodica Alexandrescu, A. Andrei, Raluca Cireasa, Ion Morjan, Ioan Ursu, Letitia Voicu

Proceedings Volume 2461, (1995) https://doi.org/10.1117/12.203522

KEYWORDS: Titanium, Ultraviolet radiation, Silicon, Quartz, Laser processing, Laser development, Excimer lasers, Carbon dioxide lasers, Oxygen, Chemical vapor deposition

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Proceedings Article | 7 September 1994 Paper

Paper

Laser synthesis of Si-Mo-C-O polymer for membrane modification

Rodica Alexandrescu, Dan Dumitras, Ion Morjan, Letitia Voicu

Proceedings Volume 2207, (1994) https://doi.org/10.1117/12.184785

KEYWORDS: Silicon, Polymers, Solids, Molybdenum, Carbon monoxide, Silicon carbide, Carbon, Scanning electron microscopy, Carbon dioxide lasers, Gas lasers

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Showing 5 of 23 publications

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