Magnetorefractive Effect for Co/Ru Multilayer Film with Antiferromagnetic Interlayer Exchange Coupling

被引：1
作者：
Sato, Haruhiko [1 ]
Saito, Shin [2 ]
Mizuno, Shota [3 ]
Akahane, Koichi [1 ]
Uchida, Hironaga [3 ]
机构：
[1] Tohoku Univ, Sendai, Miyagi, Japan
[2] Tohoku Univ, Grad Sch Engn, Sendai, Miyagi, Japan
[3] Tohoku Univ Technol, Sendai, Miyagi, Japan
来源：
ELECTRICAL ENGINEERING IN JAPAN | 2017年 / 198卷 / 03期
关键词：
magnetorefractive effect; infrared optical properties; Co/Ru multilayer film; magnetic multilayer with interlayer exchange coupling; spin-dependent scattering; transmission measurement under magnetic field; GIANT MAGNETORESISTANCE;
D O I：
10.1002/eej.22929
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The spin-dependent scattering of conduction electron in metallic magnetic multilayers was investigated to reveal the optical properties which corresponded to the magnetization state. From the measurement of magnetorefractive effect in antiferro-magnetically exchange coupled Co/Ru multilayers, it was found that (1) the transmittance varied around 1% at wavelength of 1550 nm during the parallel/antiparallel spin alignment changes, (2) as a result of number of repetition and Co thickness for the multilayers, transmittance difference between the parallel and antiparallel spin alignment states had trade-off relationship with the magnitude of transmittance, and (3) asymmetric Co/Ru/Co stacking structure brought different interlayer exchange coupling fields in each layer, which resulted in magnetic field sensitive transmittance. (C) 2016 Wiley Periodicals, Inc.
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页码：27 / 33
页数：7
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