Controlling exchange bias in Fe3O4/FeO composite particles prepared by pulsed laser irradiation

被引：0
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作者：
Zaneta Swiatkowska-Warkocka
Kenji Kawaguchi
Hongqiang Wang
Yukiko Katou
Naoto Koshizaki
机构：
[1] National Institute of Advanced Industrial Science and Technology (AIST),Nanosystem Research Institute
来源：
Nanoscale Research Letters | / 6卷
关键词：
Magnetite; Wustite; Laser Fluence; Magnetite Nanoparticles; Exchange Bias;
D O I：
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学科分类号：
摘要：
Spherical iron oxide nanocomposite particles composed of magnetite and wustite have been successfully synthesized using a novel method of pulsed laser irradiation in ethyl acetate. Both the size and the composition of nanocomposite particles are controlled by laser irradiation condition. Through tuning the laser fluence, the Fe3O4/FeO phase ratio can be precisely controlled, and the magnetic properties of final products can also be regulated. This work presents a successful example of the fabrication of ferro (ferri) (FM)/antiferromagnetic (AFM) systems with high chemical stability. The results show this novel simple method as widely extendable to various FM/AFM nanocomposite systems.
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