STRUCTURAL AND MAGNETIC-PROPERTIES OF CARBONYL FE-NI NANOMETER PARTICLES

Authors
GE FD CHEN LM KU WJ ZHU J
Citation
Fd. Ge et al., STRUCTURAL AND MAGNETIC-PROPERTIES OF CARBONYL FE-NI NANOMETER PARTICLES, Nanostructured materials, 8(6), 1997, pp. 703-709
Citations number
6
Categorie Soggetti
Material Science
Journal title
Nanostructured materials → ACNP
ISSN journal
09659773
Volume
8
Issue
6
Year of publication
1997
Pages
703 - 709
Database
ISI
SICI code
0965-9773(1997)8:6<703:SAMOCF>2.0.ZU;2-6
Abstract
The phases, size, shape, aggregation pattern and chemical composition of carbonyl Fe-Ni ultrafine particles prepared by thermal decompositio n of the mixture of Fe(CO)(5) and M(CO)(4) were investigated by X-ray diffraction and electron microscopy. It was found that the main phase was gamma-(Fe-Ni), including a small amount of Fe3O4. The particle siz e was about 10 nm and the particles formed a fractal aggregation patte rn whose dimension was 1.64. The composition varied from particle to p article, showing an average value of Fe44Ni56. The magnetic properties of the particles were examined with a vibrating sample magnetometer. (C) 1997 Acta Metallurgica Inc.