STRUCTURE AND PROPERTIES OF MAGNETIC NANOPARTICLES PROCESSED BY PYROLYSIS OF POLYMERS CONTAINING Co AND Fe

被引：0

作者：

Sowka, E. ^{[1
]}

Leonowicz, M. ^{[1
]}

Pomogailo, J. A. D. ^{[2
]}

Dzhardimalieva, G. I. ^{[2
]}

Kazmierczak, J. ^{[3
]}

Slawska-Waniewska, A. ^{[3
]}

Kopcewicz, M. ^{[4
]}

机构：

[1] Warsaw Univ Technol, Fac Mat Sci & Engn, PL-02507 Warsaw, Poland

[2] RAS, Inst Problems Chem Phys, Chernogolovka 42432, Moscow Region, Russia

[3] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland

[4] Inst Elect Mat Technol, PL-01919 Warsaw, Poland

来源：

REVIEWS ON ADVANCED MATERIALS SCIENCE | 2008年 / 18卷 / 07期

关键词：

D O I：

暂无

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Nanocomposites consisting of ferromagnetic nanoparticles embedded in an inorganic matrix were fabricated by a method comprising frontal polymerisation of cobalt or iron acrylamide complexes, followed by pyrolysis of the polymers at a temperature 873K. The pyrolysis products are in a form of irregular powder particles containing embedded nanocrystallites of elementary cobalt and iron carbide for the pyrolysed polymers containing cobalt and iron, respectively. The particles were randomly distributed and their size and agglomeration can be controlled by the processing variables. The particles exhibited ferromagnetic properties. Their room temperature coercivity depends on the composition and pyrolysis temperature. The material does not exhibit a superparamagnetic behaviour,

引用

页码：651 / 654

页数：4

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