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UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS Guest
2024-11-23 17:55 |
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Conference: Bucharest University Faculty of Physics 2009 Meeting
Section: Solid State Physics and Materials Science
Title:
Thin films of rare earth magnetic alloys processed by laser and plasma assisted techniques
Authors:
Catalin Constantinescu, Nicu Scarisoreanu, Maria Dinescu
Affiliation:
INFLPR - National Institute for Laser, Plasma and Radiation Physics
E-mail
catalin.constantinescu@inflpr.ro
Keywords:
thin film, NdFeB, TerFeNOL, PLD, RF-PLD
Abstract:
Neodymium-Iron-Boron and Terbium-Iron are materials that exhibit special magnetic properties, such as high energy product [(BH)max] or high magnetostrictivity, and are being used in a large number of applications, in bulk or as thin films (i.e.: in electrical engineering, electronics, for high-tech devices, etc). Thermal analysis of these compounds was performed in order to evidentiate the oxidizing characteristics and their thermal behaviour. Thin films were deposited on silicon substrates by pulsed laser ablation/deposition (PLD) using a Nd:YAG laser working at 266 nm and were characterized by vibrating sample magnetometry (VSM), magneto-optical Kerr effect (MOKE), atomic force microscopy (AFM), scanning electron microscopy (SEM), and X-ray diffraction (XRD).
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