Modeling of self-controlling hyperthermia based on nickel alloy ferrofluids: Proposition of new nanoparticles

被引：13
作者：
Delavari, Hamid H. [1 ,2 ]
Hosseini, Hamid R. Madaah [1 ,3 ]
Wolff, Max [2 ]
机构：
[1] Sharif Univ Technol, Inst Nanosci & Nanotechnol, Tehran 1458889694, Iran
[2] Uppsala Univ, Dept Phys & Astron, SE-75120 Uppsala, Sweden
[3] Sharif Univ Technol, Dept Mat Sci & Engn, Tehran 1458889694, Iran
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2013年 / 335卷
关键词：
Hyperthermia; Self-controlling; Nickel alloy; Nanoparticle; Modeling; MAGNETIC PARTICLE HYPERTHERMIA; IRON-OXIDE NANOPARTICLES; CURIE-TEMPERATURE; MAGNETOCRYSTALLINE ANISOTROPY; FERROMAGNETIC PROPERTIES; FLUID HYPERTHERMIA; NI; FIELD; PARAMETERS; DEPENDENCE;
D O I：
10.1016/j.jmmm.2013.01.027
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In order to provide sufficient heat without overheating healthy tissue in magnetic fluid hyperthermia (MFH), a careful design of the magnetic properties of nanoparticles is essential. We perform a systematic calculation of magnetic properties of Ni-alloy nanoparticles. Stoner-Wohlfarth model based theories (SWMBTs) are considered and the linear response theory (LRT) is used to extract the hysteresis loop of nickel alloy nanoparticles in alternating magnetic fields. It is demonstrated that in the safe range of magnetic field intensity and frequency the LRT cannot be used for the calculation of the area in the hysteresis for magnetic fields relevant for hyperthermia. The best composition and particle size for self-controlling hyperthermia with nickel alloys is determined based on SWMBTs. It is concluded that Ni-V and Ni-Zn are good candidates for self-controlling hyperthermia. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：59 / 63
页数：5
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