Magneto-optical properties of a highly transparent cadmium ferrite-based magnetic fluid

被引：58
|
作者：
Bakuzis, AF
Neto, KS
Gravina, PP
Figueiredo, LC
Morais, PC [1 ]
Silva, LP
Azevedo, RB
Silva, O
机构：
[1] Univ Brasilia, Inst Fis, BR-70919970 Brasilia, DF, Brazil
[2] Univ Brasilia, Inst Ciencias Biol, Dept Genet & Morfol, BR-70910900 Brasilia, DF, Brazil
[3] Univ Fed Goias, Inst Fis, BR-74001970 Goiania, Go, Brazil
来源：
APPLIED PHYSICS LETTERS | 2004年 / 84卷 / 13期
关键词：
D O I：
10.1063/1.1690497
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The magneto-optical properties of a highly stable ionic magnetic fluid sample containing CdFe2O4 nanoparticles were investigated using. static magnetic birefringence, zero-field optical transmissivity, and transmission electron microscopy. From our measurements we found that the transmittivity and the birefringence of the CdFe2O4-based sample is several times greater than a typical magnetic fluid sample (gamma-Fe2O3 based), giving this magnetic material great potential for magneto-optics applications. We also found that the birefringence can be increased by several orders of magnitude, allowing full manipulation of the observed negative differential transmitted optical intensity feature. (C) 2004, American Institute of Physics.
引用
收藏
页码：2355 / 2357
页数：3
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