Magnetocontrollable photonic crystals based on colloidal ferrofluids

被引：42
|
作者：
Fan, C. Z.
Wang, G.
Huang, J. P. [1 ]
机构：
[1] Fudan Univ, Surface Phys Lab, Natl Key Lab, Shanghai 200433, Peoples R China
[2] Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China
来源：
JOURNAL OF APPLIED PHYSICS | 2008年 / 103卷 / 09期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1063/1.2921133
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We theoretically exploit a class of one-dimensional double-layer photonic crystals based on colloidal ferrofluids, which are made of ferromagnetic nanoparticles suspended in a carrier liquid. Depending on the magnetic-field-induced anisotropic property of the ferrofluid, precise controllability of the band gaps is demonstrated to be possible by applying an appropriate external magnetic field. (C) 2008 American Institute of Physics.
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页数：3
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