期刊
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
卷 176, 期 2, 页码 177-180出版社
ELSEVIER
DOI: 10.1016/j.mseb.2010.10.018
关键词
FeAl2O4; Annealing; Nanocrystalline materials; Transmission electron microscopy (TEM); Magnetic properties
Nanocrystalline FeAl2O4 has been synthesized from furnace heating of corresponding iron and aluminium acetylacetonate complexes. The nanoparticles obtained were characterized using powder X-ray diffraction (XRD), EDX and transmission electron microscopy (TEM). The particles were faceted with a diameter in the range of 10-20 nm. The magnetic property of the FeAl2O4 nanoparticles was studied for the first time by plotting M vs H hysteresis curves, at different temperature and also by recording the temperature dependence of zero-field-cooled M-ZFC and field-cooled M-FC magnetization curves. On decreasing the temperature to 4 K, the magnetization shows deviation from linear behavior. (C) 2010 Elsevier B.V. All rights reserved.
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