Preparation of acicular gamma-Fe2O3 particles from a microemulsion-mediated reaction

被引:101
作者
Chhabra, V
Ayyub, P
Chattopadhyay, S
Maitra, AN
机构
[1] TATA INST FUNDAMENTAL RES,MAT RES GRP,BOMBAY 400005,MAHARASHTRA,INDIA
[2] UNIV DELHI,DEPT CHEM,DELHI 110007,INDIA
关键词
gamma iron oxide; Fe2O3; microemulsion; magnetic recording;
D O I
10.1016/0167-577X(95)00200-6
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A microemulsion-mediated chemical reaction was used to synthesize acicular particles of gamma-Fe2O3 with an equivalent spherical diameter (ESD) of 7-8 nm. From a comparison of the measured values of the hydrodynamic diameter of the water-in-oil microemulsion droplets and the ESD of the resulting gamma-Fe2O3 particles, we show that each microemulsion droplet gives birth to a single particle of gamma-Fe2O3.
引用
收藏
页码:21 / 26
页数:6
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