Nguyen, H. L., Howard, L. E. M., Giblin, Sean  ORCID: https://orcid.org/0000-0003-1876-8619, Tanner, B. K., Terry, I., Hughes, A. K., Ross, I. M., Serres, A., Burckstummer, H. and Evans, J. S. O.
2005.
Synthesis of monodispersed fcc and fct FePt/FePd nanoparticles by microwave irradiation.
Journal of Materials Chemistry
15
(48)
, pp. 5136-5143.
10.1039/B511850F
|
Abstract
A simple microwave heating method has been used for the stoichiometrically controlled synthesis of FePt and FePd nanoparticles using Na2Fe(CO)4 and Pt(acac)2/Pd(acac)2 as the main reactants. By varying the solvents and surfactants, the microwave assisted reactions have shown a significant advantage for the rapid production of monodisperse fcc FePt nanoparticle metal alloys which can be converted to the fct phase at low temperatures (364 °C). Microwave reactions at high pressure (closed system) have led to the direct formation of a mixture of fcc and fct phase FePt nanoparticles. Room temperature structural and magnetic properties of materials have been characterized by X-ray diffraction, HRTEM and magnetic measurements. The onset of ordering has been investigated by in situ high temperature X-ray diffraction studies.
| Item Type: | Article |
|---|---|
| Date Type: | Publication |
| Status: | Published |
| Schools: | Schools > Physics and Astronomy |
| Subjects: | Q Science > QC Physics |
| Publisher: | RSC Publishing |
| ISSN: | 0959-9428 |
| Last Modified: | 21 Oct 2022 10:50 |
| URI: | https://orca.cardiff.ac.uk/id/eprint/41490 |
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