GU Han1 ， ZHANG Lei1 ， HONG Ruoyu2
（1.School of Physics and Electronic Engineering， Changshu Institute of Technology， Changshu 215500， China； 2.School of nano Science and Technology， Soochow University， Suzhou 215000，China）
Abstract：Nano-sized Mn0.4Zn0.6Fe2O4 Particles magnetic fluid was synthesized by hydrothermal method.The experimental results show that viscosity of the sample magnetic fluid increases with the increase of volume fraction of the suspended magnetic，and the effect of extra magnetic field accelerates the trend of increasing. When the volume fraction of suspended magnetic particles is invariable， the higher the concentration of the surfactants，the higher the viscosity of sample magnetic fluid，and it increases in linear tread while the concentration of surfactants is low. The stronger the extra magnetic field is，the higher the viscosity of the sample magnetic fluid is.The viscosity of the sample magnetic fluid decreases with the rise of the temperature of the magnetic fluid，no matter the magnetic field exists or not.
Keywords: Mn0.4Zn0.6Fe2O4; magnetic fluid；viscosity; hydrother mal method
文章编号：1008-5548（2016）04-0071-04
DOI：10.13732/j.issn.1008-5548.2016.04.016
收稿日期：2016-01-01， 修回日期：2016-03-01，在线出版时间：2016-08-02。
基金项目：国家自然科学基金项目，编号：11274054；江苏省高校自然科学基金项目，编号：14KJB480001。
第一作者简介：顾涵（1985—），男，硕士研究生，研究方向为磁性功能材料制备与性能表征，集成电路设计。E-mail：guhan@cslg.edu.cn。
通信作者简介：洪若瑜（1965—），男，博士，教授，博士生导师，研究方向为纳米磁性材料制备与性能表征。E-mail：rhong@suda.edu.cn。
