Synthesis, characterization and magnetic properties of Fe3O4 doped chitosan polymer

被引：17

作者：

Karaca, E. ^{[1
]}

Satir, M. ^{[1
]}

Kazan, S. ^{[1
]}

Acikgoz, M. ^{[2
]}

Ozturk, E. ^{[3
]}

Gurdag, G. ^{[4
]}

Ulutas, D. ^{[3
]}

机构：

[1] Gebze Inst Technol, Dept Phys, TR-41400 Cayirova, Kocaeli, Turkey

[2] Bahcesehir Univ, Fac Arts & Sci, TR-34353 Istanbul, Turkey

[3] Istanbul Univ, Fac Sci, Dept Phys, Istanbul, Turkey

[4] Istanbul Univ, Dept Chem Engn, TR-34320 Istanbul, Turkey

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2015年 / 373卷

关键词：

Composite polymer; Fe3O4; nanoparticle; Reflection loss; Magnetization; FERROMAGNETIC-RESONANCE; NANOPARTICLES; COMPOSITE; FILMS;

D O I：

10.1016/j.jmmm.2014.02.016

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Fe3O4 nanoparticles doped into chitosan films were prepared by the solution casting technique. Various samples were synthesized in atmospheric medium and in vacuum. The morphological properties of the samples were characterized by high resolution transmission electron microscopy (HR-TEM) and Scanning Electron Microscopy (SEM). The structural, magnetic, and microwave absorption properties of magnetic chitosan films have been carried out using the Vibrating Sample Magnetometer (VSM) and Ferromagnetic Resonance (FMR). It is shown that the composite polymer behaves like a superparamagnetic material with high blocking temperature. The effective magnetization shows gradual increments with the concentration of dopant Fe3O4 nanoparticles. The microwave absorption characteristic of superparamagnetic composite polymer shows low reflection loss. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：53 / 59

页数：7

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