The effect of laser energy on the preparation of iron oxide by a pulsed laser ablation in ethanol

被引：6

作者：

Maneeratanasarn, P. ^{[1
]}

Khai, T. V. ^{[1
]}

Choi, B. G. ^{[1
]}

Shim, K. B. ^{[1
]}

机构：

[1] Hanyang Univ, Div Adv Mat Sci & Engn, Seoul 133791, South Korea

来源：

JOURNAL OF THE KOREAN CRYSTAL GROWTH AND CRYSTAL TECHNOLOGY | 2012年 / 22卷 / 03期

基金：

新加坡国家研究基金会;

关键词：

Iron oxide; Maghemite; Pulse laser ablation;

D O I：

10.6111/JKCGCT.2012.22.3.134

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Recently the preparation magnetic nanoparticles by a pulsed laser ablation in liquid has gained much attention because it is easy to control experimental parameters. Iron oxide magnetic nanoparticles have been prepared by a pulsed laser ablation of alpha-Fe2O3 target in ethanol at different magnitude of laser energy of 1, 20, 40 and 80 mJ/pulse. It revealed that particle size increases with increasing laser energy. It could be concluded that 40 mJ/pulse is an optimum laser energy for the preparation of iron oxide nanoparticles with uniform size distribution. The nanoparticles are homogeneously dispersed in ethanol and their stability maintained for several months.

引用

页码：134 / 138

页数：5

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