Tunable Magneto-Optical Kerr Effects of Nanoporous Thin Films

被引：16
作者：
Zhang, Weiwei [1 ]
Li, Jianjun [1 ]
Ding, Xiaokun [2 ]
Pernod, Philippe [2 ]
Tiercelin, Nicolas [2 ]
Song, Yujun [1 ]
机构：
[1] Univ Sci & Technol Beijing, Beijing Key Lab Magnetophotoelect Composite & Int, Dept Appl Phys, Ctr Modern Phys Technol, Beijing 100083, Peoples R China
[2] Univ Valenciennes, Univ Lille, UMR IEMN LIA LICS 8520, CNRS,Cent Lille,ISEN, F-59000 Lille, France
来源：
SCIENTIFIC REPORTS | 2017年 / 7卷
关键词：
ELECTROCHEMICAL ENERGY-STORAGE; ANODIC POROUS ALUMINA; MICROFLUIDIC SYNTHESIS; CARBON NANOTUBES; MEMBRANES; LIGHT; MAGNETOPLASMONICS; NANOSTRUCTURES; NANOPARTICLES; ENHANCEMENT;
D O I：
10.1038/s41598-017-03241-7
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Magnetoplasmonics, combining magnetic and plasmonic functions, has attracted increasing attention owing to its unique magnetic and optical properties in various nano-architectures. In this work, Ag, CoFeB and ITO layers are fabricated on anodic aluminum oxide (AAO) porous films to form hybrid multilayered nanoporous thin films by magnetron sputtering deposition process. The designed nanostructure supports localized surface plasmon resonance (LSPR) and tunable magneto- optical (MO) activity, namely, the sign inversion, which can be controlled by AAO porous film geometry (pore diameter and inter-pore spacing) flexibly. The physical mechanism of this special MO phenomena is further analyzed and discussed by the correlation of Kerr rotation and electronic oscillations controlled by the surface plasmon resonance that is related to the nanoporous structure.
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页数：11
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