Magneto-optical effects in nanosandwich array with plasmonic structure of Au/[Co/Pt]n/Au

被引：17

作者：

Du, Guan Xiang ^{[1
]}

Mori, Tetsuji ^{[2
]}

Suzuki, Michiaki ^{[1
]}

Saito, Shin ^{[1
]}

Fukuda, Hiroaki ^{[2
]}

Takahashi, Migaku ^{[1
]}

机构：

[1] Tohoku Univ, Grad Sch Engn, Dept Elect Engn, Aoba Ku, Sendai, Miyagi 9808579, Japan

[2] Ricoh Co Ltd, Corp Technol Dev Grp, Device & Module Technol Dev Ctr, Tsuzuki Ku, Yokohama, Kanagawa 2240035, Japan

来源：

JOURNAL OF APPLIED PHYSICS | 2010年 / 107卷 / 09期

关键词：

RESONANCE; NANOPARTICLES;

D O I：

10.1063/1.3368110

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Nanodisk array with both sandwich structure of Au/[Co/Pt](n)/Au and [Co/Pt](n) were fabricated by electron-beam lithography combined with ion milling process. Optical transmittance spectra revealed the excitation of localized surface plasmon resonance (LSPR) in Au/[Co/Pt](n)/Au nanosandwich array. Magneto-optical (MO) properties were measured by a micro-Faraday system with objective lens design and laser source. Faraday rotation angle for sandwich structure increased considerably compared to that of [Co/Pt](n), indicating enhancement in MO activity by excitation of LSPR. The optical and MO properties of nanosandwich array were fitted in the framework of average field approximation. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3368110]

引用

页数：3

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