CoxC nanorod magnets: Highly magnetocrystalline anisotropy with lower Curie temperature for potential applications

被引：22

作者：

El-Gendy, Ahmed A. ^{[1
,2
]}

Almugaiteeb, Turki ^{[1
]}

Carpenter, Everett E. ^{[1
]}

机构：

[1] VCU, Dept Chem, Richmond, VA USA

[2] NIS, Nanotechnol & Nanometrol Lab, Giza, Egypt

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2013年 / 348卷

关键词：

Nanomagnets; CoxC; Magnetic sensor; Magnetocrystalline anistropy; NANOPARTICLES; FE;

D O I：

10.1016/j.jmmm.2013.08.022

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Magnetic CoxC nanorods with larger magnetocrystalline anisotropy of 5 x 10(5) J/m(3) as well as larger coercivity and lower Curie temperature are introduced. The particles have an average diameter of 8 nm and shows three different magnetic behaviors. The sample shows ferromagnetism up to 400 K, superparamagnetism at temperature > 400 K and <T-C (465 K) and paramagnetism above 465 K. Such different behaviors open the door for various applications such as permanent magnets, magnetic sensors and contract agent for magnetic resonance imaging. (c) 2013 Elsevier B.V. All rights reserved.

引用

页码：136 / 139

页数：4

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