A Monte Carlo simulation of nanoscale magnetic particle morphology and magnetization
A Monte Carlo simulation of nanoscale magnetic particle morphology and magnetization
复制标题
纳米级磁性粒子形貌和磁化强度的蒙特卡罗模拟
DOI：
10.1063/1.3009975
复制
发表时间：
2008-11-01
影响因子：
3.2
通讯作者：
Chen, Xianfeng
中科院分区：
文献类型：
--
作者：
Di, Ziyun;Zhang, Dongchen;Chen, Xianfeng
一个基于蒙特卡罗技术的模型被应用于研究由Ge等人提出的超顺磁性磁铁矿(Fe（3)O(4)）胶体纳米晶体团簇（cnc） [Nano Lett. 7,3203(2007)]。换句话说，该模型研究了CNCS的以下三个方面：磁性颗粒的形态，场诱导链状图案的形成，以及磁化过程的诱导演化。结果表明，磁流体的直径、单位表面活性剂分子数和体积浓度等参数是有效控制磁流体形态和磁化过程的重要因素，从而实现对磁流体制备和多种应用的有效控制。实验结果也证明了这种自组装链结构的存在。(c) 2008年美国物理研究所。(DOI: 10.1063/1.3009975)
A model based on Monte Carlo technique is applied to investigating the superparamagnetic magnetite (Fe(3)O(4)) colloidal nanocrystal clusters (CNCs) proposed by Ge et al. [Nano Lett. 7, 3203 (2007)]. In other words, the model investigates the following three aspects of CNCS: the morphology of magnetic particles, the formation of field-induced chainlike patterns, and the induced evolution of the magnetization processes. It is shown that the parameters such as diameter, surfactant molecules per unit, and volume concentration of the magnetic fluid are significant factors that enable one to efficiently manipulate the morphology and magnetization process, which eventually leads to the efficient control of the fabrication and multiple applications. The experiment results also evidenced the presence of this self-assembled chain structures. (c) 2008 American Institute of Physics. [DOI: 10.1063/1.3009975]