Structure and properties of nanocrystalline iron oxide powder prepared by the method of pulsed laser ablation

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Structure and properties of nanocrystalline iron oxide powder prepared by the method of pulsed laser ablation	441 KB	Adobe Acrobat PDF	Read	Download
DOI Доступ к ресурсу на сайте издателя			10.1007/s11182-017-1008-8

Title: Structure and properties of nanocrystalline iron oxide powder prepared by the method of pulsed laser ablation
Creator: Svetlichnyi, Valerii A.
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Shabalina, Anastasiia V.
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Lapin, Ivan N.
Date: 2017
DOI: 10.1007/s11182-017-1008-8
Description: Colloidal solution of iron oxide nanoparticles is synthesized by nanosecond pulsed laser ablation (Nd:YAG laser, 1064 nm, 7 ns, and 180 mJ) of a metallic iron target in water, and nanocrystalline powder is prepared from this solution by vacuum drying. A composition and structure of the material obtained are investigated by methods of electron microscopy, x-ray diffraction, and optical spectroscopy. It is established that oxide particles with average size of about 5 nm and Fe3O4 magnetite structure are mainly formed during ablation. Preliminary investigation of magnetic properties of the prepared nanoparticle powders shows that they can be in ferromagnetic and/or superparamagnetic states. @ 2017 Springer Science+Business Media New York.