Cavity enhancement of the magneto-optical Kerr effect of a magnetic cobalt nanowires array

被引：4
|
作者：
Moradi, Mehrdad [1 ]
Ghanaatshoar, Majid [2 ]
机构：
[1] Univ Kashan, Inst Nanosci & Nanotechnol, Kashan 87317, Isfahan, Iran
[2] Shahid Beheshti Univ, Laser & Plasma Res Inst, GC, Tehran 1983969411, Iran
来源：
MODERN PHYSICS LETTERS B | 2016年 / 30卷 / 01期
关键词：
Cobalt nanowires; magneto-optical Kerr effect; optical cavity; Kerr signal;
D O I：
10.1142/S0217984915502589
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this paper, the optimization and amplification of magneto-optical (MO) response of Silicon (Si)/Cobalt (Co)-nanowires (NWs) in the presence of zinc sulphide (ZnS) and SiO2 thin layers were investigated. The existence of ZnS layer with ideal thickness on the Si/Co structure, leads to an appropriate optical cavity which amplifies the MO Kerr signal (KS). In addition, the capping layer, SiO2, which is useful in manufacturing process, acts as a complementary layer for ZnS layer. The proposed structure Si/Co/ZnS/SiO2 with appropriate thicknesses enhances the KS of Si/Co-nanowire up to 20 times relative to same structure without covering layers.
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页数：8
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