Influence of citric acid and oleic acid coating on the dc magnetic properties of Fe3O4 magnetic nanoparticles

被引：12
|
作者：
Polichetti, M. [1 ,2 ,4 ]
Modestino, M. [1 ]
Galluzzi, A. [1 ,2 ]
Pace, S. [1 ,2 ,4 ]
Iuliano, M. [3 ]
Ciambelli, P. [3 ,4 ]
Sarno, M. [3 ,4 ]
机构：
[1] Univ Salerno, Dept Phys ER Caianiello, Via Giovanni Paolo II 132, I-84084 Fisciano, SA, Italy
[2] CNR SPIN Salerno, Via Giovanni Paolo II 132, I-84084 Fisciano, SA, Italy
[3] Univ Salerno, Dept Ind Engn, Via Giovanni Paolo II 132, I-84084 Fisciano, SA, Italy
[4] Univ Salerno, NANO MATES Res Ctr, Via Giovanni Paolo II 132, I-84084 Fisciano, SA, Italy
来源：
MATERIALS TODAY-PROCEEDINGS | 2020年 / 20卷
关键词：
Fe3O4 magnetic nanoparticles; Coating effect; Superparamagnetism; Blocking temperature; T-B distributions; NANOCOMPOSITES; SIZE; HYPERTHERMIA; WATER;
D O I：
10.1016/j.matpr.2019.08.152
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The properties of two samples of Fe3O4 magnetic nanoparticles coated with citric acid and oleic acid respectively, have been studied by means of DC magnetic measurements. The analysis has been performed by measuring the Zero Field Cooling (ZFC) and Field Cooling (FC) magnetization curves as a function of the temperature, at 0.01 T applied field. In this framework, the blocking temperature (T-B) distribution and the effect of the coatings on the experimentally evaluated samples properties have been analysed. Moreover, the magnetization as a function of the field has been measured at temperatures above T-B and the comparison between the results obtained for the two samples has been discussed. (C) 2019 Elsevier Ltd. All rights reserved.
引用
收藏
页码：21 / 24
页数：4
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